Assoc. professor Sergei Popov

 

DSc (Tech.) in Applied Physics, Helsinki University of Technology, 1998

Docent in Optics, Royal Institute of Technology, 2008

 

Royal Institute of Technology (KTH)

School of Information and Communication Technology

Lab of Optics, Photonics and Quantum Electronics

Electrum 229, SE-164 40 Kista, Sweden

Tel: +46 8 790 4273, Fax: +46 8 789 6672

Email: sergeip-at-kth-dot-se

 

 

Teaching

 

Optics IO2651 (Photonics Master’s Program)

Optics IO2691 (Basic course) and IO2692 (Extension)

Photonics Lab IO2651

 

 

Publication list

 

Book chapters

  • Z. Jaroszewicz, S. Popov, F. Wyrowski, Editors, Optical Security Systems,  Proc. SPIE, V 5954 (Bellingham, WA, 2005).

  • S.  Popov, Fiber laser overview and medical applications (chapter 7) , in Tunable Laser Applications, (F. J. Duarte, Ed., Taylor and Francis, New York, 2nd Edition, 2008, ISBN 1420060090).

 

Refereed papers

  

2011

  • K. Wang, J. Li, A. Djupsjöbacka, S. Popov, G. Jacobsen, R.E. Makon, R. Driad, H. Walcher, J. Rosenzweig, A.G. Steffan, G.G. Mekonnen, H.-G. Bach, Z. Li, A. T. Friberg, 100 Gb/s RZ-OOK Transmission Through212 km Deployed SSMF Using Monolithically Integrated ETDM Receiver Module, Optics Communications, 284 (6), 782-786 (2011).
  • S. Iyer, S. Popov, A. T. Friberg, Loss optimization in double fishnet metamaterials at telecommunication wavelengths, JEOS Rapid Publications, 6, 11008 (2011).
  • T. Xu, G. Jacobsen, S. Popov, J. Li, A. T. Friberg, Y. Zhang,  Analytical estimation of phase noise influence in coherent transmission system with digital dispersion equalization, Optics Express, 19(8), 7756-7768 (2011).
  • L. Dong, S. Popov, A. T. Friberg, One-step fabrication of polymer components for microphotonics by gray scale electron beam lithography, JEOS Rapid Publications, 6, 11010 (2011).
  • L. Dong, F. Ye, J. Hu, S. Popov, A. T. Friberg, M. Muhammed, Fluorescence quenching and photobleaching in Au/Rh6G nanoassemblies: impact of competition between radiative and non-radiative decay, JEOS Rapid Publications, 6, 11019 (2011).
  • T. Xu, G. Jacobsen, S. Popov, M. Forzati, J. Mårtensson, M. Mussolin, J. Li, K. Wang, Y. Zhang, A. T. Friberg, Frequency-domain chromatic dispersion equalization using overlap-add methods in coherent optical system, Journal of Optical communications, 32(2), 131-135,  (2011).
  • G. Jacobsen, L.G. Kazovsky, T. Xu, S. Popov, J. Li, Y. Zhang, A. T. Friberg, Phase noise influence in optical OFDM systems employing RF pilot tone for phase noise cancellation, Journal of Optical communications, 32(2), 141-146, (2011).
  • G. Jacobsen, T. Xu, S. Popov, J. Li, Y. Zhang, A.T. Friberg, Error-rate floors in differential n-level phase-shift-keying coherent receivers employing electronic dispersion equalization, Journal of Optical communications, 32(3), 191-193, (2011).
  • S. Iyer, S. Popov, A.T. Friberg, Effective tunability and realistic estimates of group index in plasmonic metamaterials exhibiting electromagnetically-induced transparency,  Applied Optics,  50(21), 3958-3961 (2011).
  • G. Jacobsen, T. Xu, S. Popov, J. Li, A.T. Friberg, Y. Zhang,  Receiver implemented RF pilot tone phase noise mitigation in coherent optical nPSK and nQAM systems, Optics Express, 19(15), 14487-14494 (2011).
  • A. Sugunan, Y. Zhao, S. Mitra, L. Dong, S. Li, S. Popov, S. Marcinkevicius,  M. S. Toprak, and M. Muhammed, Synthesis of tetrahedral quasi type-II CdSe-CdS core-shell quantum dots, Nanotechnology, 22 (42),  425202 (2011).
  • G. Jacobsen,  M. Lidón, T. Xu, S. Popov, A.T. Friberg, Y. Zhang, Influence of pre- and post-compensation CD on EEPN in coherent multilevel systems, Journal of Optical communications, in press (2011).
  • S. Sergeyev, S. Popov, Two-section Fiber Optic Raman Polarizer, IEEE Journal of Quantum Electronics, in press (2011).
  •  L. Dong, F. Ye, A. Chughtai, S. Popov, A.T. Friberg, M.Muhammed, Photostability of lasing process from water solution of Rhodamine 6G with gold nanoparticles, Optics Letters, in press (2011).

 

2010

  • S. Popov, R. Zhang, S. Sergeyev, A. T. Friberg, Efficiency enhancement in microcavity solid-state dye laser with Bragg grating reflectors, Central European Journal of Physics, 8 (2), 202-206 (2010).
  • S. Popov, L. Dong, S. Sergeyev, A.T. Friberg, Spatial light modulator as reconfigurable intracavity dispersive element for tunable lasers, Central European Journal of Physics, 8 (2), 228-234 (2010).
  • S. Sergeyev, S. Popov, A.T. Friberg, Raman amplification with reduced polarization impairments in the fibre with tailored spin profile, Central European Journal of Physics, 8 (2), 164-168 (2010).
  • S. Sergeyev, K. O’Mahoney, S. Popov, A.T. Friberg, Upconversion assisted self-pulsing in a high-concentration erbium doped fiber laser, Central European Journal of Physics, 8 (2), 159-163 (2010).
  • S. Iyer, S. Popov, A.T. Friberg, Impact of apexes on the resonance shift in double hole nanocavities, Optics Express, 18 (1), 193-203 (2010).
  • T. Xu, G. Jacobsen, S. Popov, J. Li, K. Wang, and A. T. Friberg, Normalized LMS digital filter for chromatic dispersion equalization in 112-Gbit/s PDM-QPSK coherent optical transmission system, Optics Communications, 283 (6), 963-967 (2010).
  • T. Xu, G. Jacobsen, S. Popov, J. Li, E. Vanin, K. Wang, A. T. Friberg, Y. Zhang,  Chromatic dispersion compensation in coherent transmission system using digital filters, Optics Express, 18 (15), 16243-16257 (2010).
  • S. Iyer, S. Popov, A.T. Friberg, Transmission resonances from U-shaped metallic nanostructures, Optics Express, 18 (17), 17719-17728 (2010).
  • S. Sergeyev, S. Popov, A. T. Friberg, Virtually isotropic transmission media with fiber Raman amplifier, IEEE Journal of Quantum Electronics, 46 (10), 1492-1497 (2010).
  • S. Sergeyev, K. O’Mahoney, S. Popov, A.T. Friberg, Coherence and anticoherence resonance in high-concentration erbium-doped fiber laser, Optics Letters, 35 (22), 3736-3738 (2010).
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2009

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  • Y. Li, S. Popov, A. T. Friberg, S. Sergeyev, Rigorous modeling and physical interpretation of terahertz near-field imaging using SNOM technique, JEOS Rapid Publications, 4, 09007 (2009).

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2008

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  • S. Popov, S. Ricciardi, A. T. Friberg, S. Sergeyev, Thermo-tuning and energy redistribution in microcavity solid-state dye lasers, Journal of Physics: Conference series, 100, 052048 (2008).
  • S. Sergeyev, S. Popov, A. T. Friberg, Spun fiber Raman amplifiers with reduced polarization impairments, Optics Express, 16 (19), 14380-14389 (2008).
  • R. Zhang, S. Popov, S. Ricciardi, A. T. Friberg, and S. Sergeyev, Distortion tolerance against geometry imperfections in polymeric microcavity dye laser, Journal of Nonlinear Optical Physics and Materials, 17 (4), 367-375 (2008).
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2007

  • S. Sergeyev, S.Popov, A.T. Friberg, Stochastic model of polarization-dependent gain and gain fluctuations in fiber Raman amplifier with randomly varying birefringence, Proc. SPIE, 6610, 66100E-1-9 (2007).
  • S. Sergeyev, S.Popov, A.T. Friberg, A new PMD measurement technique with a fiber Raman amplifier, Proc. SPIE, 6731, 67310S-1-8 (2007).
  • S. Popov, S. Ricciardi, A. T. Friberg, S. Sergeyev, Mode suppression in a microcavity solid-state dye laser, JEOS Rapid Publications, 2, 07023 (2007).
  • S. Sergeyev, S. Popov, Excitation back transfer in a statistical model for upconversion in Er-doped fibres, JEOS Rapid Publications, 2, 07027 (2007).
  • S. Popov, S. Ricciardi, Ari T. Friberg, S. Sergeyev, Even-mode generation in microcaivty dye laser, Proc. SPIE, 6729, 67292M-1-9 (2007).
  • S. Ricciardi, S. Popov, Ari T. Friberg, S. Sergeyev, Tunable microcavity solid-state dye laser for biometrics applications, Proc. SPIE, 6729, 67292N-1-9 (2007)
  • S. Ricciardi, S. Popov, A. T. Friberg, S. Sergeyev, Thermally induced wavelength tunability of microcavity solid-state dye lasers, Optics Express, 15 (20), 12971-12978 (2007).
  • S. Popov, S. Ricciardi, A. T. Friberg, S. Sergeyev, Impact of cavity symmetry on mode suppression and increase of free spectral range in solid-state dye microlaser, Chinese Optics Letters, 5 (11), 651-653 (2007).
  • S. Sergeyev, S. Popov, A. T. Friberg, Polarization-dependent gain and gain fluctuations in a fiber Raman amplifier, JOPA A, Pure and Applied Optics, 9 (12), 1119-1124 (2007).
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2006

  • <!--[if !supportLists]--> S. Sergeyev, S. Popov, A. Friberg, Modeling polarization-dependent gain in fiber Raman amplifiers with randomly varying birefringence, Optics Communications, 262 (1), 114-119  (2006).<!--[endif]-->
  • S. Sergeyev, S. Popov, D. Khoptyar, A. Friberg, D. Flavin, Modeling of migration-assisted upconversion in high-concentration EDFA, JOSA B, 23 (8), 1540-1543 (2006).

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2005

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  • S. Sergeyev, S. Popov, A. Friberg, Influence of the short-range coordination order of erbium ions on excitation migration and upconversion in multicomponent glasses, Optics Letters , 30 (11), 1258-1260 (2005).

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2004

  • <!--[if !supportLists]--> S. Popov, S. Sergeyev, A.T. Friberg, The impact of pump polarization on the polarization dependence of Raman gain due to the breaking of a fibre's circular symmetry, JEOS A, Pure and Applied Optics, 6 (3), 72-76 (2004).<!--[endif]-->
  • Z. Jaroszewicz, G. Adamkiewicz, V. Duran-Bosch, A. T. Friberg, A. Kolodziejczyk, A. Kowalik, J. S. Lancis, S. Popov, E. Tajahuerce, Kinoform apodization by using of programmable diffractive optical elements, Proc. SPIE, 5456, 198-213 (2004).

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2002

  • <!--[if !supportLists]--> S. Popov, E. Vanin, G. Jacobsen, Polarization dependence of gain in discrete Raman amplifiers with dispersion compensating fibers, JEOS A, Pure and Applied Optics, 4 (1), 46-51 (2002).<!--[endif]-->
  • <!--[if !supportLists]--> A. Thaning, A. Friberg, S. Popov, Z. Jaroszewicz, Design of diffractive axicons producing uniform line images in Gaussian Schell-modell illumination, JOSA A, 19 (3), 491-496 (2002).<!--[endif]-->
  • <!--[if !supportLists]--> S. Popov, E. Vanin, G. Jacobsen, Influence of PMD value in dispersion compensating fibers on the polarization dependence of Raman gain, Optics Letters, 27 (10), 848-850 (2002).<!--[endif]-->
  • S. Sergeyev, E.Vanin, S. Popov, Suppression of dynamic instabilities in EDFA with a combined gain control system, Optics Letters, 27 (13), 1117-1119 (2002).

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2000

<!--[if !supportLists]-->44.    Z. Jaroszewicz, A.T. Friberg, S.Yu. Popov, Kinoform apodization, Journal of Modern Optics, 47 (5), 939-946 (2000). <!--[endif]-->

1999

<!--[if !supportLists]-->45.    A.T. Friberg, S.Yu. Popov, Effects of partial spatial coherence with uniform-intensity axicon, JOSA A, 16 (5), 1049-1058 (1999).<!--[endif]-->

1998

<!--[if !supportLists]-->46.    S.Yu. Popov, Ari T. Friberg, Apodization of Generalized Axicons to Produce Uniform Axial Line Images, JEOS A, Pure and Applied Optics, 7 (3), 537-548 (1998).<!--[endif]-->

<!--[if !supportLists]-->47.    S. Yu. Popov, A.T. Friberg, M. Honkanen, J. Lautanen, J. Turunen, B. Schnabel, Apodized annular-aperture diffractive axicons fabricated by continuous-path-control electron beam lithography, Optics Communications, 154 (5-6), 359-367 (1998).<!--[endif]-->

<!--[if !supportLists]-->48.    S. Popov, Dye photodestruction in a solid-state dye laser with polymeric gain medium, Applied Optics, 37 (27), 6449-6455 (1998).<!--[endif]-->

<!--[if !supportLists]-->49.    S. Popov, Influence of pump repetition rate on dye photostability in solid-state dye laser with polymeric gain medium, JEOS A, Pure and Applied Optics, 7 (6), 1379-1388 (1998). <!--[endif]-->

<!--[if !supportLists]-->50.    S.Yu. Popov, A.T. Friberg, Design of diffractive axicons for partially coherent light, Optics Letters, 23 (21), 1639-1641 (1998).<!--[endif]-->

1996

<!--[if !supportLists]-->51.    A.T. Friberg, S.Yu. Popov, Deep focal line images produced by generalized axicons in coherent and partially coherent light, Proc. SPIE, 2278, 377-378 (1996).<!--[endif]-->

<!--[if !supportLists]-->52.    A.T. Friberg, S.Yu. Popov, Radiometric description of intensity and coherence in generalized holographic axicon images, Applied Optics, 35 (16), 3039-3046 (1996).<!--[endif]-->

1995

<!--[if !supportLists]-->53.    A. Maslyukov, S. Sokolov, M. Kaivola, K. Nyholm, S. Popov, Solid-state dye daser with modified poly(methyl methacrylate)-doped active alements, Applied Optics, 34 (9), 1516-1518 (1995).<!--[endif]-->

<!--[if !supportLists]-->54.    S.Yu. Popov, A.T. Friberg, Linear axicons in partially coherent light, Optical Engineering, 34 (9), 2567-2573 (1995).<!--[endif]-->

1994

<!--[if !supportLists]-->55.    A.A. Manenkov, S.Yu. Sokolov, S.Yu. Popov, Application of laser-induced microwave photoconductivity in diagnostics of semiconductor surface layers, Proc. SPIE, 2097, 198-213 (1994).<!--[endif]-->

1988

<!--[if !supportLists]-->56.    <!--[endif]-->D.G. Golovatch, A.A. Manenkov, G.N. Mikhailova, S.Yu. Popov, A.S. Seferov, I.B. Khaibullin, Laser annealing of ion doped Si with 2.94 mkm wavelength, Bulletin of the Academy of Sciences of the USSR, Physcial Series (transl. of Izvestija Akademii Nauk SSSR, ser. fizicheskaja), 52 (9), 157-160 (1988).

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Other full-length papers and refereed conference contributions


2011

<!--[if !supportLists]--><!--[endif]-->1.       S. Popov, S. Sergeyev, N. Innocenti, and A. T. Friberg, External resonance modes and wavefront detection in coupled polymer microcavities, EOS Topical Meeting on Diffractive Optics 2010 (February 14-18, 2010, Koli, Finland).

<!--[if !supportLists]--><!--[endif]-->2.       S. Iyer, S. Popov, and A. T. Friberg, Enahcement of the resonance shift in an array of double hole nanocavities, EOS Topical Meeting on Diffractive Optics 2010 (February 14-18, 2010, Koli, Finland).

<!--[if !supportLists]--><!--[endif]-->3.       S. Iyer, S. Popov, and A. T. Friberg, Enahcement of the resonance shift in an array of double hole nanocavities, EOS Topical Meeting on Diffractive Optics 2010 (February 14-18, 2010, Koli, Finland).

2010

<!--[if !supportLists]--><!--[endif]-->4.       S. Popov, S. Sergeyev, N. Innocenti, and A. T. Friberg, External resonance modes and wavefront detection in coupled polymer microcavities, EOS Topical Meeting on Diffractive Optics 2010 (February 14-18, 2010, Koli, Finland).

<!--[if !supportLists]--><!--[endif]-->5.       S. Iyer, S. Popov, and A. T. Friberg, Enahcement of the resonance shift in an array of double hole nanocavities, EOS Topical Meeting on Diffractive Optics 2010 (February 14-18, 2010, Koli, Finland).

<!--[if !supportLists]--><!--[endif]-->6.       K. Wang, J. Li, A. Djupsjöbacka, M. Chacinski, U. Westergren, S. Popov, G. Jacobsen, V. Hurm, R. E. Makon, R. Driad, H. Walcher, J. Rosenzweig, A. G. Steffan, G. G. Mekonnen, H.-G. Bach, 100 Gb/s Complete ETDM System Based on Monolithically Integrated Transmitter and Receiver Modules, Optical Fiber Communication Conference & National Fiber Optic Engineers Conference, OFC/NFOEC’2010, (March 21-25, 2010, San-Diego, USA), paper NME1.

<!--[if !supportLists]--><!--[endif]-->7.       R. H. Derksen, K. Wang, J. Li, A. Djupsjöbacka, G. Jacobsen, M. Chacinski, U. Westergren, S. Popov, V. Hurm, R. E. Makon, R. Driad, H. Walcher, J. Rosenzweig, A. G. Steffan, G. G. Mekonnen, H.-G. Bach, C. Schubert, Setting the stage for 100GbE serial standard - the HECTO project, WTC2010 - World Telecommunications Congress 2010, (September 13-14, 2010, Vienna, Austria).

<!--[if !supportLists]--><!--[endif]-->8.       L. Dong, J. Hu, F. Ye, S. Popov, A.T. Friberg, and M. Muhammed, Fluorescence quenching in gold / Rh 6G nanoassemblies: an analysis of nanoparticles concentration, on EOS annual meeting 2010 (October 26-28, 2010, Paris, France).

<!--[if !supportLists]--><!--[endif]-->9.       L. Dong, S. Popov, and A.T. Friberg, 3D waveguides and grating couplers fabricated with gray-scale E-beam lithography, on EOS annual meeting 2010 (October 26-28, 2010, Paris, France).

<!--[if !supportLists]--><!--[endif]-->10.    S. Popov, N. Innocenti, L. Dong, S. Sergeyev, and A.T. Friberg, Coupled microcavities: harnessing the outside-cavity modes for lasing, sensing, and wavefront detection, on EOS annual meeting 2010 (October 26-28, 2010, Paris, France).

<!--[if !supportLists]--><!--[endif]-->11.    S. Iyer, S. Popov, L. Dong, and A.T. Friberg, More on the near-field connection to far-field transmission resonances for periodic U-shaped metal nanostructures, on EOS annual meeting 2010 (October 26-28, 2010, Paris, France).

<!--[if !supportLists]--><!--[endif]-->12.    S. Popov, L. Dong, S. Sergeyev, and A.T. Friberg, Near-field THz imaging in pulsed mode: subwavelength resolution and enhanced scattering, on EOS annual meeting 2010 (October 26-28, 2010, Paris, France).

<!--[if !supportLists]--><!--[endif]-->13.    S. Iyer, S. Popov, and A.T. Friberg, Extraordinary Transmission Resonance due to Near-field Effect in Periodic U-shaped Metal Nanostructures, on OSA’2010 annual meeting (October 24-28, 2010, Rochester, USA).

<!--[if !supportLists]--><!--[endif]-->14.    S. Iyer, S. Popov, and A.T. Friberg, Double nanoholes in a metal film as refractive index sensors, on OSA’2010 annual meeting (October 24-28, 2010, Rochester, USA).

<!--[if !supportLists]--><!--[endif]-->15.    L.Dong, S. Iyer, S. Popov, and A.T. Friberg, Gray scale E-beam lithography to fabricate 3D micro-sized waveguide and grating coupler in SU-8, on OSA’2010 annual meeting (October 24-28, 2010, Rochester, USA).

<!--[if !supportLists]--><!--[endif]-->16.    S. Popov, S. Iyer, S. Sergeyev, and A.T. Friberg, Pulsed THz radiation in near-field domain: enhanced scattering and exceeding diffraction limitations, on OSA’2010 annual meeting (October 24-28, 2010, Rochester, USA).

<!--[if !supportLists]--><!--[endif]-->17.    T. Xu, G. Jacobsen, S. Popov, J. Li, A. T. Friberg, Y. Zhang, Digital chromatic dispersion compensation in coherent transmission system using a time-domain filter, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper P-7.

<!--[if !supportLists]--><!--[endif]-->18.     S. Popov, L. Dong, N. Innocenti, S. Sergeyev, A. T. Friberg, Y. Zhang, External near-field resonance in coupled microcavities: mode enhancement and applications, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper ThJ-2.

<!--[if !supportLists]--><!--[endif]-->19.    L. Dong, S. Iyer, S. Popov, A. T. Friberg, Y. Zhang, 3D Fabrication of Waveguide and Grating Coupler in SU-8 by optimized Gray Scale Electron Beam Lithography, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper SE-4.

<!--[if !supportLists]--><!--[endif]-->20.    S. Iyer, L. Dong, S. Popov, A. T. Friberg, Physical reason behind far-field transmission resonances from U-shaped metallic structures, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper P-104.

<!--[if !supportLists]--><!--[endif]-->21.    S. Iyer, L. Dong, S. Popov, A. T. Friberg, Refractive index sensor performance based on enhanced transmission of light through perforated metallic films, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper P-105.

<!--[if !supportLists]--><!--[endif]-->22.    S. Popov, L. Dong, S. Sergeyev, A. T. Friberg, Impact of dielectric permittivity of a substrate on the THz scattering enhanced due to near-field effect, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, December 8-12, 2010),  paper P-106.

2009

<!--[if !supportLists]--><!--[endif]-->23.    S. Sergeyev, K. O'Mahoney, S. Popov, A. T. Friberg, Pump-to-signal intensity noise transfer as the mechanism of self-pulsing in Erbium doped fiber laser, Optical Fiber Communication Conference & National Fiber Optic Engineers Conference, OFC/NFOEC’2009, (March 22-26, 2009, San-Diego, USA), paper OWT4.

<!--[if !supportLists]--><!--[endif]-->24.    S. Popov, Y. Li, S. Sergeyev, A. T. Friberg, Terahertz near-field imaging: rigorous model for interpreting “antenna approach”, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2009), (Baltimore, MD, USA, May 31-June 5, 2009), paper JWA18.

<!--[if !supportLists]--><!--[endif]-->25.    S. Sergeyev, K. O'Mahoney, S. Popov, A. T. Friberg, Upconversion assisted auto-sscillations in Erbium doped fiber laser, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2009), (Baltimore, MD, USA, May 31-June 5, 2009), paper JWA55.

<!--[if !supportLists]--><!--[endif]-->26.    S. Sergeyev, S. Popov, A. T. Friberg, Fiber Raman amplifiers with suppressed polarization impairments, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2009), (Baltimore, MD, USA, May 31-June 5, 2009), paper JWA57.

<!--[if !supportLists]--><!--[endif]-->27.    S. Sergeyev, S. Popov, A.T. Friberg, Two section fibre approach to suppression of polarization dependent gain in low PMD distributed fibre Raman amplifier, Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2009, Munich, Germany, June 14-19, 2009), paper CJP34.

<!--[if !supportLists]--><!--[endif]-->28.    N. Innocenti, S. Popov, S. Sergeyev, A.T. Friberg, External field enhancement in coupled polymer microcavities - new options for integrated photonic components, Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2009, Munich, Germany, June 14-19, 2009), paper CK-1.4.

<!--[if !supportLists]--><!--[endif]-->29.    S. Popov, Y. Li, S. Sergeyev, A.T. Friberg, Modeling of terahertz near-field imaging: rigorous simulation and antenna approach, Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2009, Munich, Germany, June 14-19, 2009), paper EI-P-15.

<!--[if !supportLists]--><!--[endif]-->30.    L. Dong, J. Hu, F. Ye, S. Popov, A. T. Friberg, M. Muhammed, Influence of Nanopaticles Concentration on Fluorescence Quenching in Gold/Rhodamine 6G Nanoassemblies, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, November 2-6, 2009), paper ThBB5.

<!--[if !supportLists]--><!--[endif]-->31.    L. Dong, A. Pinos, A. Sugunan, S. Li, S. Popov, M. Toprak, Ari T. Friberg, M. Muhammed, Measurement of Radiative Lifetime in CdSe/CdS Core/Shell Structured Quantum Dots, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, November 2-6, 2009), paper FW-6.

<!--[if !supportLists]--><!--[endif]-->32.    K. Wang, J. Li, A. Djupsjöbacka, S. Popov, G. Jacobsen, R. Makon, R. Driad, H. Walcher, A. G. Steffan, H. G. Bach, 100 Gb/s OOK Transmission through 212 km Field SSMF Using Monolithically Integrated ETDM Receiver Module, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, November 2-6, 2009), paper TuE-1.

<!--[if !supportLists]--><!--[endif]-->33.    K. Wang, J. Li, S. Popov, G. Jacobsen, 4x40 GHz Multi-Colored Optical Pulse Generation Using Single Two-Arm Modulated Mach-Zehnder Modulator, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, November 2-6, 2009), paper TuE-4.

<!--[if !supportLists]--><!--[endif]-->34.    T. Xu, G. Jacobsen, S. Popov, J. Li, K. Wang, A. T. Friberg, Digital Compensation of Chromatic Dispersion in 112-Gbit/s PDM-QPSK System, Asia Communications and Photonics Conference and Exhibition (ACP), (Shanghai, China, 2-6 November 2009),  paper TuE-2.

2008

<!--[if !supportLists]--><!--[endif]-->35.    S. Sergeyev, S. Popov, Ari T. Friberg, Characterization of Randomly Varying Birefringence in Long Single Mode Fibers, Optical Fiber Communication Conference & National Fiber Optic Engineers Conference, OFC/NFOEC’2008, (February 24-28, 2008, San-Diego, USA), paper OWG2.

<!--[if !supportLists]--><!--[endif]-->36.    R. Zhang, S. Popov, A. T. Friberg, S. Sergeyev, Tolerance of polymeric microcavity laser against shape imperfections, The OSA topical conference on Nanophotonics, (NANO, May 26-29, 2008, Nanjing, China).

<!--[if !supportLists]--><!--[endif]-->37.    S. Popov, R. Zhang, S. Sergeyev, and A. T. Friberg, Efficiency enhancement in microcavity solid-state dye laser with Bragg-grating reflectors, International Conference Advanced Laser Technologies, ALT’2008 (September 13-18, 2008, Siofok, Hungary).

<!--[if !supportLists]--><!--[endif]-->38.    S. Popov, L. Dong, S. Sergeyev, and A. T. Friberg, Spatial light modulator as reconfigurable intracavity dispersive element for tunable lasers, International Conference Advanced Laser Technologies, ALT’2008 (September 13-18, 2008, Siofok, Hungary).

<!--[if !supportLists]--><!--[endif]-->39.    S. Sergeyev, K. O’Mahoney, S. Popov, and A. T. Friberg, Upconversion assisted self-pulsing in a high-concentration erbium doped fiber laser, International Conference Advanced Laser Technologies, ALT’2008 (September 13-18, 2008, Siofok, Hungary), INVITED.

<!--[if !supportLists]--><!--[endif]-->40.    S. Sergeyev,  S. Popov, and A. T. Friberg, Raman amplification with reduced polarization impairments in the fiber with tailored spin profile, International Conference Advanced Laser Technologies, ALT’2008 (September 13-18, 2008, Siofok, Hungary).

<!--[if !supportLists]--><!--[endif]-->41.    S. Sergeyev, S. Popov, and A.T. Friberg, Spun fiber Raman amplifiers, on OSA’2008 annual meeting (October 19-23, 2008, Rochester, USA), paper FTuG1.

<!--[if !supportLists]--><!--[endif]-->42.    S. Popov, R. Zhang, A.T. Friberg, and S. Sergeyev, Mode stability in robust microcavity solid-state dye laser, on OSA’2008 annual meeting (October 19-23, 2008, Rochester, USA), paper FTuAA6.

2007

<!--[if !supportLists]--><!--[endif]-->43.    S. Sergeyev, S. Popov, A.T. Friberg, A new PMD measurement technique with a fiber Raman amplifier, Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2007, Munich, Germany, June 17-22, 2007).

<!--[if !supportLists]--><!--[endif]-->44.    S. Sergeyev, S. Popov, A.T. Friberg, A new PMD measurement technique, International Conference on Coherent and Nonlinear Optics (ICONO/LAT’2007, May 28 - June 1, Minsk, Belarus).

<!--[if !supportLists]--><!--[endif]-->45.    S. Popov, S. Ricciardi, Ari T. Friberg, S. Sergeyev, Even-mode generation in microcaivty dye laser, International Conference on Coherent and Nonlinear Optics (ICONO/LAT’2007, May 28 - June 1, Minsk, Belarus).

<!--[if !supportLists]--><!--[endif]-->46.    S. Ricciardi, S. Popov, Ari T. Friberg, S. Sergeyev, Tunable microcavity solid-state dye laser for biometrics applications, International Conference on Coherent and Nonlinear Optics (ICONO/LAT’2007, May 28 - June 1, Minsk, Belarus).

<!--[if !supportLists]--><!--[endif]-->47.    S. Popov, S. Ricciardi, A. T. Friberg, S. Sergeyev, Mode depletion in micro-sized solid-state dye laser, Proc. of The OSA Topical Conference on Nanophotonics, (NANO, June 18-21, 2007, Zhejiang University, Hangzhou, China), 116.

<!--[if !supportLists]--><!--[endif]-->48.    S. Ricciardi, S. Popov, A. T. Friberg, S. Sergeyev, Thermo-elastic tunability of microcavity solid-state dye laser, Proc. of The OSA Topical Conference on Nanophotonics, (NANO, June 18-21, 2007, Hangzhou, China), 61.

<!--[if !supportLists]--><!--[endif]-->49.     S. Popov, S. Ricciardi, A. T. Friberg, S. Sergeyev, Odd-mode depletion in microcavity solid-state dye laser, International Conference on Nanoscience and Technology (ICN+T 2007, July 2 - 6, Stockholm, Sweden).

<!--[if !supportLists]--><!--[endif]-->50.    S. Ricciari, S. Popov, A. Friberg, Wavefront shaping: plane waves out of a point source, Proceedings of the Comsol users conference (October 23-24, 2007, Grenoble, France), 2, 761-764.

<!--[if !supportLists]--><!--[endif]-->51.    S. Ricciardi, S. Popov, A. Friberg, Diffractive optical beamsplitter: application of the resonance properties of wavelength-scaled microcavity, Proc. of The EOS Topical Meeting on Diffractive Optics (November 20-23, 2007, Barselona, Spain), 23-24.

2006

<!--[if !supportLists]--><!--[endif]-->52.    S. Sergeyev, S. Popov, and Ari T. Friberg, Stochastic model of polarization-dependent gain in fiber Raman amplifiers with randomly varying birefringence, in Proc. of Laser Optics Conference, (St. Petersburg, Russia, June 26-30, 2006), ThR1, 40.

2005

<!--[if !supportLists]--><!--[endif]-->53.    S. Sergeyev, S. Popov, A.T. Friberg, Migration-assisted upconversion in high-concentration EDFA with electronic feed-forward gain control, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2005), (Baltimore, MD, USA, May 22-27, 2005), JWB63, 2, 1358-1360.

2004

<!--[if !supportLists]--><!--[endif]-->54.    Z. Jaroszewicz, G. Adamkiewicz, V. Duran, A.T. Friberg, J. Lancis, S. Popov, and E. Tajahuerce, Apodization of kinoforms by variable diffraction efficiency, in Proceedings of SPIE meeting Photonics Europe’2004 (Strasburg, France, April 26-30, 2004).

2003

<!--[if !supportLists]--><!--[endif]-->55.    S. Sergeyev, S. Popov, Polarizaiton dependent gain in fiber Raman amplifiers: effect of PMD and pump states of polarization, in Proc. of Optical Fiber Communication Conference (OFC’2003), (Atlanta, GA, USA, March 23-28, 2003), 1, 22-23.

<!--[if !supportLists]--><!--[endif]-->56.    S. Popov, S. Sergeyev, A.T. Friberg, Degeneration of the polarization dependence of Raman gain with circularly polarized pump, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2003), (Baltimore, MD, USA, June 1-6, 2003), CWL6.

<!--[if !supportLists]-->57.    <!--[endif]-->S. Popov, S. Sergeyev, A.T. Friberg, Polarization dependence of Raman gain due to breaking of cylindrical symmetry in optical fibers, in technical digest of Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2003), (Munich, Germany, June 22-27, 2003), CL2W.

<!--[if !supportLists]--><!--[endif]-->58.    S. Popov, S. Sergeyev, A.T. Friberg, Fiber birefringence due to a break of circular symmetry: impact of polarization dependence on Raman gain, in technical digest of ICO Topical meeting on Polarization Optics 2003, (Polvijärvi, Finland, June 30-July 3, 2003), O7-5, 66-67.

2002

<!--[if !supportLists]--><!--[endif]-->59.    S.Yu. Popov, S.V. Sergeyev, A.T. Friberg, Polarization Independent Raman Gain with single-wavelength pumping, in OSA’2002 annual meeting (Orlando, USA, September 29 - October 3, 2002), 131.

2001

<!--[if !supportLists]--><!--[endif]-->60.    A. Berntson, S. Popov, E. Vanin, G. Jacobsen, J. Karlsson, Polarizaiton dependence and gain tilt of Raman amplifiers for WDM systems, in Proc. of Optical Fiber Communication Conference (OFC’2001), (Anaheim, CA, USA, March 19-22, 2001), MI2, 1-3.

<!--[if !supportLists]--><!--[endif]-->61.    S. Popov, E. Vanin, Polarizaiton dependence of Raman gain on propagation direction of pump and probe signal in optical fibers, in Proc. of Conference on Lasers and Electro-Optics (CLEO/QELS’2001), (Baltimore, MD, USA, May 6-11, 2001), CTuJ5, 146-147.

<!--[if !supportLists]--><!--[endif]-->62.    A. Berntson, L. Helczynski, G. Jacobsen, J. Karlsson, S. Popov, E. Vanin, Raman amplification in WDM systems, in Proc. of National Fiber Optic Engineers Conference (NFOEC’2001), (Baltimore, MD, USA, July 8-12, 2001), 2, 840-849.

<!--[if !supportLists]--><!--[endif]-->63.    A. Thaning, A.T. Friberg, S.Yu. Popov, Z. Jaroszewicz, Design on diffractive axicons for illumination of any state of coherence, in EOS Topical meetings digests series (Budapest, Hungary, 2001), 30, 36-38.

2000

<!--[if !supportLists]--><!--[endif]-->64.    A. Berntson, E. Goobar, S. Popov, L. Helczynski, G. Jacobsen, J. Karlsson, Influence of cross-talk and pump depletion on the design of Raman amplifiers for WDM systems, in Proc. of  26th European Conference on Optical Communication (ECOC'2000) (Munich, Germany, September 3-7, 2000), 3, 149-150.

<!--[if !supportLists]--><!--[endif]-->65.     S. Popov, A. Berntson, G. Jacobsen, E. Goobar, L. Helczynski, J. Karlsson, Cross-talk and pump depletion in WDM-systems with Raman amplifiers, in technical digest of Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'2000), (Nice, France, September 10-15, 2000), Postdeadline Paper, CPD 2.5, 10.

<!--[if !supportLists]--><!--[endif]-->66.    S. Popov, G. Melnikov, S. Larionov, Light monochromator using fractal multi-fold reflection in cylindrical cavity, in OSA’2000 annual meeting (Providence, USA, October 22-26, 2000), 61.

<!--[if !supportLists]--><!--[endif]-->67.    S. Popov, E. Goobar, A. Berntson, L. Helszinsky, G. Jacobsen, J. Karlsson, Cross-talk and pump depletion in WDM systems due to Raman amplification, in OSA’2000 annual meeting (Providence, USA, October 22-26, 2000), 99.

1999

<!--[if !supportLists]--><!--[endif]-->68.    S. Popov, Dye photostablility of solid-state dye lasers, in OSA’99 annual meeting (Santa Clara, USA, September 26-30, 1999), 139, INVITED.

<!--[if !supportLists]--><!--[endif]-->69.    Z. Jaroszewicz, A.T. Friberg, S.Yu. Popov, Kinoform apodization, in EOS Topical meetings digests series (Jena, Germany, 1999), 22, 35-36.

1998

<!--[if !supportLists]--><!--[endif]-->70.    S. Popov, A. Friberg, Diffractive axicons with partially coherent light, in OSA’98 annual meeting (Baltimore, USA, October 4-10, 1998), 82.

<!--[if !supportLists]--><!--[endif]-->71.    S. Popov, Dye photodestruction and the change of refractive index in polymeric gain medium for solid-state dye lasers, in OSA’98 annual meeting (Baltimore, USA, October 4-10, 1998), 88.

<!--[if !supportLists]--><!--[endif]-->72.    S. Popov, M. Honkanen, J. Lautanen, J. Turrunen, A. Friberg, Amplitude and phase-encoded diffractive axicons producing uniform line image, in OSA’98 annual meeting (Baltimore, USA, October 4-10, 1998), 127.

1997

<!--[if !supportLists]--><!--[endif]-->73.    S.Yu. Popov, A.T. Friberg, Generalized Diffractive Axicons for Extended Line-image Formation, in EOS Topical meetings digests series (Savonlinna, Finland, 1997), 12, 184-185.

1996

<!--[if !supportLists]--><!--[endif]-->74.    S. Popov, M. Kaivola, K. Nyholm, Laser efficiency degradation in dye-doped MPPMA gain media, in Proc. of the International Conference on Lasers'95, ed. by V.J. Corcoran and T.A. Goldman, (STS, McLean, VA, 1996), 357-361, INVITED.

<!--[if !supportLists]--><!--[endif]-->75.    S.Yu. Popov, A.T. Friberg, Radiometric model for holographic axicons in partially coherent light, in Proc. of the International Conference on Lasers'95, ed. by V.J. Corcoran and T.A. Goldman, (STS, McLean, VA, 1996), 133-138.

<!--[if !supportLists]--><!--[endif]-->76.    S. Popov, M. Kaivola, K. Nyholm, Stability and Gain Properties of Dye Doped Polymeric Active Elements in a Solid-state Dye Laser, in technical digest of Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'96), (Hamburg, Germany, September 8-13, 1996), CTHI70, 286.

<!--[if !supportLists]--><!--[endif]-->77.    S.Yu. Popov, A.T. Friberg, Holographic Axicons as Diffractive Optical Elements for Real Space Image Formation, in technical digest of Conference on Lasers and Electro-Optics/Euorope (CLEO/Europe'96), (Hamburg, Germany, September 8-13, 1996), CTHG2, 247.

1994

<!--[if !supportLists]--><!--[endif]-->78.    A.P. Maslyukov, S.Yu. Popov, S.Yu. Sokolov, Dependence of conversion efficiency and operating resource of polymer dye doped material on dye concentration and pump pulse repetition rate, in Proc. of the International Conference on Lasers'93, ed. by V.J. Corcoran and T.A. Goldman, (STS, McLean, VA, 1994), 394-399, INVITED.

<!--[if !supportLists]--><!--[endif]-->79.    A.T. Friberg, S.Yu. Popov, Partially coherently illuminated uniform-intensity holographic axicons, in technical digest series – OSA, 11, 224 (1994).

1993

<!--[if !supportLists]--><!--[endif]-->80.    A.A. Manenkov, S.Yu. Sokolov, S.Yu. Popov, Laser Diagnostics and Modification of Semiconductor Surface, in Proc. of International Conference on Laser Optics'93, (St.-Petersburg, Russia, June 21-25, 1993), 1, 10.

<!--[if !supportLists]--><!--[endif]-->81.    D.L. Khavroshin, A.A. Manenkov, S.Yu. Popov, S.Yu. Sokolov,<!--[if !vml]--> <!--[endif]--><!--[if !vml]--><!--[endif]-->Pulsed laser excited microwave photoconductivity applications to high resolution defect diagnostics of ion and laser beam modified semiconductor surface, Beam Solid Interactions: Fundamentals and Applications Symposium, 699-704 (1993).

1992

<!--[if !supportLists]--><!--[endif]-->82.    D.L. Khavroshin, A.A. Manenkov, S.Yu. Popov, S.Yu. Sokolov, Pulsed laser excited microwave photoconductivity applications for high resolution defect diagnostics of ion and laser beam modified semiconductor surface, in Proc. of Materials Research Society Symposium (Boston, MA, 1992),  279, 699-704.

<!--[if !supportLists]--><!--[endif]-->83.    A.A. Manenkov, S.Yu. Popov, S.Yu. Sokolov, D.L. Khavroshin, Pulsed  Laser  Excited Microwave Photo  Conductivity  Applications  to  High  Resolution  Defect Diagnostics of Ion and Laser Beam Modified Semiconductor Surface, in Proc. of International  Conference on Advanced and Laser Technology, ALT'92, (Moscow, September 11-15, 1992), 4, 28.

1991

<!--[if !supportLists]--><!--[endif]-->84.    S.A. Koljadin, S.Yu. Popov, Method for optimal design of  information  processing system with an optical channel, in Problems  of  Creation  of  Airborne Laser and Radio  Engineering  Systems,  Scientific Reports of  Zhukovsky Air Force Engineering Academy, ed. by V.M.Sidorin (Moscow, 1990), 49-55.

1988

<!--[if !supportLists]-->85.    <!--[endif]-->G.N. Mikhailova, T.A. Kuzemchenko, A.A. Manenkov, S.Yu. Popov, A.S. Seferov, I.B. Khaibullin, Laser modification of ion implanted Si with  annealling on 2.94  mkm wavelength, in Proceedings of  VII  Soviet  conference  on  Interaction  of  Laser  Irradiation with Matter (Leningrad, 1988), 147-154.