Alexandre Shen

• Habilitation à diriger les recherches = a post-PhD degree in the French education system (2008)
• Ph.D, Université Paris 11 (1998)
• Master degree, Université Paris 11 (1994)
• Engineer's degree, Institut d'Optique Graduiate School (1994)

58 international conference papers (complete list on request)

• ECOC 2008, PD, “ Polarisation insensitive injection locked Fabry-Perot laser diodes for 2.5Gb/s WDM access applications”, Shen, A.; Make, D.; Poingt, F.; Legouezigou, L.; Pommereau, F.; Legouezigou, O.; Landreau, J.; Rousseau, B.; Lelarge, F.; Guang-Hua Duan
• ECOC 2008, Post-deadline paper Th.3.D.4,“Error-free transmission of 8 WDM channels at 10 Gbit/s using comb generation in a quantum dash based mode-locked laser”, Akrout, A.; Shen, A.; Brenot, R.; Van Dijk, F.; Legouezigou, O.; Pommereau, F.; Lelarge, F.; Ramdane, A.; Duan, G.-H.
• ECOC 2007: Post-Deadline Paper 2.6, “Nearly Fourier-transform limited tunnel injection quantum dash modelocked Fabry-Perot laser module for tuneable pulse generation”, A. Shen, J-G. Provost, F. Blache, H. Gariah, F. Mallécot, O. Le Gouezigou, A. Accard, F. Poingt, L. Le Gouezigou, F. Pommereau, B. Rousseau, F. Lelarge and G-H. Duan, European Conference on Optical Communications, Berlin, RFA, 16-20/09/2007
• OFC 2007, PDP1, “Cascadability and wavelength tunability assessment of a 2R regeneration device based on a 8 channel saturable absorber module”, L. Bramerie, Q.T. Le, S. Lobo, M. Gay, M. Joindot, J.C. Simon, A. Poudoulec, M. van der Keur, C. Devemy, D. Massoubre, J.-L. Oudar, G. Aubin, J. Dion, A. Shen, J. Decobert, Optical Fiber Communication Conference, Anaheim, USA, 2007

33 Journal papers

• JLT 2011, “Up to 427 GHz All Optical Frequency Down-Conversion Clock Recovery Based on Quantum-Dash Fabry–Perot Mode-Locked Laser”,Costa e Silva, M.; Lagrost, A.; Bramerie, L.; Gay, M.; Besnard, P.; Joindot, M.; Simon, J.-C.; Shen, A.; Guan-Hua Duan Lightwave Technology, Journal of Volume: 29 , Issue: 4 , Page(s): 609 – 615
• JLT 2011, “Spectral Filtering Characteristics of a Quantum-Dash Fabry-Pérot Laser and Its Implications on 40 Gb/s XPM Based Optical Retiming Performance”,Xuefeng Tang; Sung Han Chung; Karar, A.S.; Cartledge, J.C.; Shen, A.; Guang-Hua Duan, Lightwave Technology, Journal of, Volume: 29 , Issue: 1 , Page(s): 31 - 36
• Bell Labs Technical Journal 2009, “High Performance InP-Based Quantum Dash Semiconductor Mode-Locked Lasers for OpticalCommunications”, Guang-Hua Duan, Alexandre Shen, Akram Akrout, Frédéric Van Dijk, Francois Lelarge, Frédéric Pommereau, Odile LeGouezigou, Jean-Guy Provost, Harry Gariah, Fabrice Blache, Franck Mallecot, Kamel Merghem, Anthony Martinez, and Abderrahim Ramdane
• “New design of InGaAs-InGaAlAs MQW electroabsorption modulator for high-speed all-optical wavelength conversion”, N. El Dahdah; J. Decobert; A. Shen; S. Bouchoule; C. Kazmierski; G. Aubin; B.-E. Benkelfat; A. Ramdane; IEEE Photonics Technology Letters, Volume 16,  Issue 10,  Oct. 2004 Page(s):2302 – 2304
• “Reduced Timing Jitter of Two-section 1.55-µm Laser Diodes Under Gain-/Loss-Switching Regime at Multigigahertz Rates”, A. Shen, S. Bouchoule, C. Cuisin, P. Crozat, J.-M. Lourtioz, IEEE Photonics Technology Letters, Vol. 10, No. 12, December 1998, pp.1694-1696
• APL 1998, *“Ultrafast excitonic saturable absorption in ion-implanted InGaAs/InAlAs multiple quantum wells”, E. Lugagne-Delpon, J.-L. Oudar, N. Bouché, R. Raj, A. Shen, N. Stelmakh, J.-M. Lourtioz, Applied Physics Letters, Vol. 72, No. 7, 16 February 1998 *“High Energy Coherent Chirped Pulses from Multisection Laser Diode with Thick Active Layer”, A. Shen, N. Stelmakh, J.-M. Lourtioz, S. Bonnefont, F. Lozes-Dupuy, B. Dagens, IEEE Photonics Technology Letters, Vol. 8, No. 1, January 1996, pp.43-45

• “Structure with saturable optical absorbent for devices for regenerating optical signals”; French patent No. 05 07321, “Structure à absorbant saturable pour dispositif de régénération de signaux optiques”, Alexandre Shen, 08/07/2005; “Saturable absorber based fully 2R WDM all optical regenerator”, Priority number(s): FR20050007321 20050708, n° FR2888430 (2007-01-12), EP1742102 (2007-01-10), CN1893322 (2007-01-10)
•  “Integrated circuit for optical 2R and 3R”, Alexandre Shen, Nabil Sahri, Jean-Yves Emery ; “Monolithic semiconductor component for regenerating optical signals”, US2003228155 (2003-12-11); EP1372278 (2003-12-17); FR2840746 (2003-12-12); US 44594903 A (2005/05/27)
• “Tb/s WDM saturable absorbers”, Alexandre Shen, “Saturable light absorber structure and a device incorporating the structure for regenerating a wavelength division multiplexed signal”, Alexandre Shen, Denis Leclerc, US2003043484 (2003-03-06); “Optical saturable absorber and its use for regenerating a wavelength division multiplexed signal”, EP1291707 (2003-03-12); FR2829246 (2003-03-07)
•  “WDM saturable absorbers”, Alexandre Shen, --- « Optical saturable absorber and its use for regenerating a wavelength division multiplexed signal », FR2820517 (2002-08-09); EP1229588 (2002-08-07); JP2002277910 (2002-09-25); “Saturable optical absorber, and an application thereof to regenerating a wavelength division multiplexed signal”, US2002105743 (2002-08-08)
• “Optical modulation rate multiplication of optical sources”, Alexandre Shen, Patrick Brindel, FR 01 01572, 06/02/2001; FIT 103 140, 11/04/2000
•  “2R all-optical regenerator compatible with either NRZ or RZ format”, Patrick Brindel, Stéphanie Barré, Denis Pennincks, Alexandre Shen, 20/11/2000; EP 00 440 301.0, ; --- « Optical power equalizer », US2002060838 (2002-05-23); “Optical power equalization using a gain clamped semiconductor optical amplifier”, EP1248390 (2002-10-09)
• “Optical RZ to NRZ conversion”, Alexandre Shen, Fabrice Devaux, FR 00 12728, 05/10/2000; --- « Optical signal converter from RZ format to NRZ format », US2002041408 (2002-04-11); FR2815202 (2002-04-12)
• “Optical NRZ to RZ conversion”, Alexandre Shen, Fabrice Devaux, Tolga Tekin, Michael Schlak, FR2809497, 23/05/2000;(EP1158352, 28/11/200), US6625338, « Optical NRZ-RZ format converter », Application No 852175 filed 10/05/2001, issued 23/09/2003); (JP2002031825, « Optical NRZ-RZ format converter », 31/01/2002) US2002018612 (2002-02-14) , FR2809497 (2001-11-30) 
• “Optical Power Limitor”, Alexandre Shen, FR99 12 142 29/09/1999; EP00402655.5-2211, 26/09/2000– “Optical Power Limitor”, EP1089467 (2001-04-04); JP2001142038 (2001-05-25); CA2319964 (2001-03-29); FR2799067 (2001-03-30)
• “Optical Differentiator”, Alexandre Shen, Jean-Guy Provost, Fabrice Devaux, Bernd Sartorius, Tolga Tekin, Michael Schlak, Christopher Janz, FR99 10 073, 03/08/1999; FIT 102 449, 17/03/1999, « Optical differentiation device », US6628855 (2003-09-30); WO0110045 (2001-02-08); EP1145446 (2001-10-17); “Différenciateur optique”, FR2797331 (2001-02-09)
• « Dispositif de régénération d’un signal multiplexé en longueurs d’onde comprenant un absorbant saturable », FR 98 12 430, Fabrice Devaux, Alexandre Shen, Philippe Pagnod-Rossiaux, Paul Salet, Christophe Starck, 5/10/1998, “Saturable absorber-based regeneration device for a WDM signal”. -- « Device including a saturable absorber for regenerating a wavelength-division multiplex », AU5267599 (2000-04-06); “Reproducing device for wavelength divided and multiplexed signal including saturable absorber”, JP2000111965 (2000-04-21); “Device including a saturable absorber for regenerating a wavelength-division multiplex signal”, US6609839 (2003-08-26); “Device for regenerating a wavelength division multiplexed signal comprising a saturable absorber”, EP0992842 (2000-04-12), FR2784202 (2000-04-07); “Device for regenerating a wavelength-multiplexed signal including a saturable absorbent”, CA2282938 (2000-04-05)

• Photonic component & circuit design, process follow-up & characterization
• Projects management