[P.1]  M.A. Galle, W.S. Mohammed, and L. Qian, "System and Method to Determine Chromatic Dispersion in Short Lengths of Waveguides Using a Common-Path Interferometer",
US Patent #7,787,127, filed on Oct. 14, 2007

[PA.5]  Bing Qi, Hoi-Kwong Lo and Li Qian, "Random Signal Generator using Quantum Noise",
US Patent Application filed on Aug. 20, 2010, Patent Application No. 12/860,335

[PA.4]  Yu Yeung (Kenny) Ho, and L. Qian, "Arbitrary waveform generation via spectral modification and interference in the optical domain using an all-fiber system with Fiber Bragg Gratings",
US Provisional Patent Application filed on Apr 2008

[PA.3]  M.A. Galle, W.S. Mohammed, and L. Qian, "System and Method to Determine Chromatic Dispersion in Short Lengths of Waveguides Using a 3-Wave Interference Pattern and a Single-Arm Interferometer",
PCT Patent Application (PCT/CA2007/001824) filed on Oct. 15, 2007

[PA.1]  Bing Qi, Li Qian, Hoi-Kwong Lo, Yi Zhao, "METHOD AND SYSTEM FOR OPTICAL PHASE MODULATION BASED ON FREQUENCY SHIFT"
Provisional US Patent Application, no. 60741060, filed Dec.1, 2005
US Patent Application, no. 11565684, filed Dec. 1, 2006
Canadian Patent Application, file no. 062108-0068, filed Dec. 1, 2006
US Patent No. 20070127932 A1,published June 7, 2007

[J.42]   Ksenia Dolgaleva, Wing Chau Ng, Li Qian, J. Stewart Aitchison,M. Carla Camasta and Mark Sorel "Compact Highly-Nonlinear AlGaAs Waveguides for Efficient Wavelength Conversion", Optics Express,accepted, 2011

[J.41]  Fei Ye, Bing Qi, Li Qian "Continuous-wave fiber cavity ringdown measurements using frequency-shifted interferometry", Optics Letters,vol. 36, pp.2080-2, (2011).

[J.40]  Yue-Meng Chi, Bing Qi, Wen Zhu, Li Qian, Hoi-Kwong Lo, Sun-Hyun Youn, A. I. Lvovsky, Liang Tian "A balanced homodyne detector for high-rate Gaussian-modulated coherent-state quantum key distribution", New Journal of Physics, vol. 13, 013003, (2011). This article was selected by NJP editors to appear on NJP Select for its novelty, significance and potential impact on future research. It has been downloaded more than 250 times in the first quarter in which it appeared. (To put this into context, across all Institute of Physics journals, 10% of articles were accessed over 250 times in the same quarter.)

[J.39]  David A. Stanley, Hossein Alizadeh, Amr Helmy, Nazir P. Kherani, Li Qian, and Stefan Zukotynski "SEM-mapped micro-photoluminescence studies of highly luminescent micro-clusters in erbium-doped silicon-rich silicon oxide", J. of Luminescence, vol. 131, pp. 72-77, (2011)

[J.38]  Ksenia Dolgaleva, Wing Chau Ng, Li Qian, J. Stewart Aitchison,M. Carla Camasta and Mark Sorel "Broadband Self-Phase Modulation, Cross-Phase Modulation, and Four-Wave Mixing in 9-mm-long AlGaAs Waveguides", Optics Letters, Vol. 35, Issue 24, pp. 4093-4095 (2010)

[J.37]  Bing Qi, Wen Zhu, Li Qian and Hoi-Kwong Lo "Feasibility of quantum key distribution through dense wavelength division multiplexing network", New Journal of Physics, vol. 12, 103042 (2010)

[J.36]  E.Y. Zhu, L. Qian, L.G. Helt, M. Liscidini, J.E. Sipe, C. Corbari, A.Canagasabey, M. Ibsen, and P.G. Kazansky"Phase-Matching with a Twist: Second-Harmonic Generation in Birefringent Periodically-Poled Fibers", Journal of the Optical Society of America B, vol. 27, pp. 2410-15 (2010) This article was also selected by OSA to appear in the October 2010 edition of the Spotlight on Optics, a collection of highlighted articles from OSA journals.

[J.35]  Fei Ye, Tong Chen, Di Xu, Kevin P. Chen, Bing Qi, and Li Qian "Cryogenic Fluid Level Sensors Multiplexed by Frequency-Shifted Interferometry," Applied Optics, Vol. 49, Issue 26, pp. 4898-4905 (2010)

[J.34]  Eric Y. Zhu, L. Qian, L.G. Helt, M. Liscidini,J.E. Sipe, A. Canagasabey, C. Corbari, M. Ibsen, and P. G. Kazansky "Measurement of chi(2) Symmetry in a Poled Fiber,", Optics Letters, Vol. 35, Issue 10, pp. 1530-1532 (2010)

[J.33]  Z. Yi, B. Qi, H.-K. Lo, and L. Qian "Passive Estimate of an Untrusted Source for Quantum Key Distribution,", New J. of Physics,12, 023024 (2010)

[J.32]  Bing Qi,Yue-Meng Chi, Hoi-Kwong Lo, Li Qian"High-speed Quantum Random Number Generation by measuring phase noise of a single-mode laser,",Optics Letters Vol. 35, Iss. 3, pp. 312-314 (2010)

[J.31]  R. Tsai, L. Qian, H. Alizadeh, and N.P. Kherani "Room-Temperature Photoluminescence in Erbium-Doped Deuterated Amorphous Carbon Prepared Using Low-Temperature MO-PECVD,"Optics Express Vol. 17, pp. 21098-21107 (2009)

[J.30]  F. Ye, L. Qian, and B. Qi, "Multipoint Chemical Gas Sensing Using Frequency-Shifted Interferometry,", Journal of Lightwave Technology, vol. 27, 5356-5364 (2009)

[J.29]  L. Helt, E.Y. Zhu, M. Liscidini, L. Qian, and J.E. Sipe, "Proposal for in-fiber generation of telecom-band polarization-entangled photon pairs using a periodically poled fiber,", Optics Letters, vol. 34, pp.2138-2140 (2009)

[J.28]  Jianwen Zhang and L. Qian, "Real-time \Chi^{(2)} evolution in twin-hole fiber during thermal poling and repoling,", JOSA B, Vol. 26, Iss. 7, pp. 1412-1416 (2009)

[J.27]   D. Wu, L. Qian, W.S. Mohammed, and P.W.E. Smith "A Multi-Fiber-Channel Wavelength Converter based on a Passive Ultrafast Switch,", Electronics Letters, Vol. 44, pp.1152-1154, 2008

[J.26]   H. Alizadeh, W. Shams-Kolahi, L. Qian, N.P. Kherani, S. Zukotynski "Room temperature luminescence from erbium in silica by evaporation and thermal oxidation,", Japanese Journal of Applied Physics, vol. 47, pp.7211-7215, 2008

[J.25]   Fei Ye, Li Qian, Yu Liu, and Bing Qi "Using Frequency-Shifted Interferometry for Multiplexing a Fiber Bragg Grating Array,", IEEE Photonics Technology Letters, Vol. 20, pp. 1488-1490 (2008)

[J.24]   Yu Yeung (Kenny) Ho and Li Qian, "Dynamic Arbitrary Waveform Shaping in a Continuous Fiber", Optics Letters, Vol. 33, Issue 11, pp. 1279-1281, 2008. This publication has been selected for the August 2008 issue of Virtual Journal of Ultrafast Science. The Virtual Journal, which is published by the American Institute of Physics and the American Physical Society in cooperation with numerous other societies and publishers, is an edited compilation of links to articles from participating publishers, covering a focused area of frontier research.

[J.23]   X. Gu, W.S. Mohammed, L. Qian, and P.W.E. Smith, "All-Fiber Laser Beam Shaping Using a Long-period Grating", IEEE Photonics Technology Letters, vol.20, pp. 1130-1132, 2008

[J.22]   B. Qi, L.-L. Huang, L. Qian and H.-K. Lo, "Experimental study on Gaussian-modulated coherent states quantum key distribution over standard telecom fiber" Physical Review A , vol. 76, 052323, 2007. This publication has been selected for the December 10, 2007 issue of Virtual Journal of Nanoscale Science & Technology. The Virtual Journal, which is published by the American Institute of Physics and the American Physical Society in cooperation with numerous other societies and publishers, is an edited compilation of links to articles from participating publishers, covering a focused area of frontier research.

[J.21]   M.A. Galle, W. S. Mohammed, L. Qian and Peter W. E. Smith, "Single-arm three-wave interferometer for measuring dispersion of short lengths of fiber" Optics Express, Vol. 15, pp. 16896-16908, (2007)

[J.20]   W. Mohammed, J. Meier, M.A. Galle, L. Qian, J. S. Aitchison, and P. W. E. Smith, "Linear and Quadratic Dispersion Characterization of mm length Fibers and Waveguides Using Common-path Interferometry", Optics Letters, vol. 32, 3312-33314 (2007)

[J.19]   J. Meier, W.S. Mohammed, A. Jugessur, L. Qian, M. Mojahedi, J.S. Aitchison, "Group Velocity Inversion in AlGaAs Nanowires", Optics Express, vol. 15, pp. 12755-12762 (2007)

[J.18]   Bing Qi,Y. Zhao,X. Ma,H-K Lo, L. Qian, "Quantum key distribution with dual detectors", Phys. Rev. A, vol. 75, article no. 052304 (2007)

[J.17]   Bing Qi, Li Qian, "Optimal filters for photon cloning with an optical amplifier", Optics Letters, vol. 32, pp.418-420 (2007)

[J.16]   Bing Qi, Leilei Huang, Hoi-Kwong Lo, Li Qian, "Polarization insensitive phase modulator for quantum cryptosystems", Optics Express, 14, pp. 4264-4269, 2006

[J.15]   Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi-Kwong Lo, Li Qian,"Experimental Quantum Key Distribution with Decoy States", Physical Review Letters, v96, no.7, 070502, , 2006

[J.14]   Bing Qi, Li Qian, Andrew Tausz, and Hoi-Kwong Lo, "Frequency-shifted Mach-Zehnder Interferometer for Locating Multiple Weak Reflections along a Fiber Link", IEEE Photonics Technology Letters, vol. 18, No. 1, p295, 2006

[J.13]   Bing Qi, Andrew Tausz, Li Qian, and Hoi-Kwong Lo, "High-resolution, large dynamic range fiber length measurement based on frequency-shifted asymmetrical Sagnac interferometer", Optics Letters, vol. 30, No. 24, p3287, 2005

[J.12]   HL Shen,Y Yang, I Sakamoto,M Koike,Y Makita,L Qian, "Fabrication of iron disilicide from multilayer by helicon plasma sputtering", Transactions of Nonferrous Metals Society of China, vol.15,Sp Iss no. 3, p434, 2005

[J.11]   S. Gupta and L. Qian, "A Low-Cost Technique for Broadband Gain and Noise Figure Characterization of Optical Amplifiers using a Broadband Source and a Filter", Optical Fiber Technology , vol.11, no. 3, 2005, pp.229-239

[J.10]   S. Gupta and L. Qian, "Measuring Gain and Noise Figure of Erbium-Doped Fiber Amplifiers Using a Broad-Band Source and a Transmission Filter" , IEEE Photonics Technology Letters , vol.16, no.9, 2004, pp.2030-2032

[J.9]    Vladimir Chernyak and Li Qian, "Modeling high-concentration L-band EDFA at high optical powers based on inversion function", IEEE Journal on Selected Topics in Quantum Electronics, vol. 8, 2002, pp.569-574

[J.8]    L. Qian, P.W.E. Smith, B.J. Robinson and D.A. Thompson, "Ultrafast all-optical asymmetric Fabry-Pérot switch based on bulk Be-doped InGaAsP grown by He-plasma-assisted epitaxy", Optical and Quantum Electronics, vol. 33, 2001, pp.1055-1062

[J.7]    H. Pinkney, D. A. Thompson, B.J. Robinson, L. Qian, S. D. Benjamin and P. W.E. Smith, "Growth of novel InP-based materials by He-plasma-assisted epitaxy" ,Journal of Crystal Growth, vol. 209, 2000, pp..237-240

[J.6]    L. Qian, P.W.E. Smith, M.A. Matin, B.J. Robinson and D.A. Thompson, "Ultrafast carrier dynamics in beryllium-doped InGaAsP grown by He-plasma-assisted epitaxy", Optics Communications, vol. 185, 2000,pp.487–492

[J.5]    P.W.E. Smith, and L. Qian, "Switching to Optical for a Faster Tomorrow", invited paper, IEEE Circuits and Devices Magazine,November, 1999, p28-33

[J.4]    L. Qian, S.D. Benjamin, P.W.E. Smith, B.J. Robinson and D. A. Thompson, "Subpicosecond Carrier Lifetime in Beryllium-doped InGaAsP Grown by He-Plasma-Assisted Molecular Beam Epitaxy" , Applied Physics Letters, vol. 71, 1997, pp.1513-1515

[J.3]    L. Qian, S.D. Benjamin, P.W.E. Smith, B.J. Robinson and D. A. Thompson,"Picosecond Carrier Lifetime and Large Optical Nonlinearity in InGaAsP Grown by He-Plasma-Assisted Molecular Beam Epitaxy", Optics Letters, vol. 22, 1997, pp.108-110

[J.2]    D.B. Mitchell, B.J. Robinson, D.A. Thompson, L.Qian, S.D. Benjamin, and P.W.E. Smith, "He-Plasma Assisted Epitaxy for Highly Resistive Optically Fast InP-Based Materials", Appl. Plys. Lett.,vol. 69, 1996, pp.509-511

[J.1]    L. Qian, S.D. Benjamin and P.W.E. Smith, "Picosecond Optical Parametric Oscillator Tunable Around 1.55 µm" , Optics Communications, vol. 127, 1996, pp.73-78

[C.61]   Chris A. Sapiano, J. Stewart Aitchison, Li Qian, "Relating DC-Field to Induced Nonlinear Susceptibility", oral presentation, OSA Advanced Photonics Congress (Specialty Optical Fibers) 2011, Toronto, Canada, June 12-15, 2011,

[C.60]   Eric Zhu, Zhiyuan Tang, Edward Lee Kim-Koon, Li Qian, Lukas Helt, Marco Liscidini, John Sipe, Costantino Corbari, Albert Canagasabey, Morten Ibsen, Peter Kazansky, "Observation of Background Fluorescence in a Poled Fiber", oral presentation, OSA Advanced Photonics Congress (Specialty Optical Fibers) 2011, Toronto, Canada, June 12-15, 2011,

[C.59]   Lijun Zhang, Li Qian, "Enhanced Optical Parametric Gain by Cascading Periodically Poled Fiber Segments", oral presentation, OSA Advanced Photonics Congress (Specialty Optical Fibers) 2011, Toronto, Canada, June 12-15, 2011,

[C.58]   William La, Li Qian, "Modeling Polarization in a Bidirectional Fiber System", oral presentation, OSA Advanced Photonics Congress (Signal Processing in Photonics Communications) 2011, Toronto, Canada, June 12-15, 2011,

[C.57]   Fei Ye, Bing Qi, Li Qian, "Truly Continuous-Wave Spatial-Domain Cavity Ring-Down Technique Based on Frequency-Shifted Interferometry", oral presentation, OSA Advanced Photonics Congress (Sensors)2011, Toronto, Canada, June 12-15, 2011,

[C.56]   Eric Zhu; Edward Lee-Kim Koon; Li Qian; L. Helt; Marco Liscidini; J. Sipe; Costantino Corbari; Albert Canagasabey; Morten Ibsen; Peter Kazansky, "Type II Parametric Downconversion in a Poled Fiber", oral presentation, Conference on Lasers and Electrooptics (CLEO 2011), Baltimore, ML, USA, May 1-6, 2011, paper QWA6

[C.55]   C. Sapiano, J.S. Aitchison, and L. Qian, "The Effects of Spurious Loss/Gain in Numerical Simulations", poster presentation, Conference on Lasers and Electrooptics (CLEO 2011), Baltimore, ML, USA, May 1-6, 2011, paper

[C.54]   J. Ng, C. Li, P.R. Herman, and L. Qian, "Flap-Top Interleaver by Femtosecond Laser Writing of Cascaded Mach-Zehnder Interferometers in Fused Silica", poster presentation, Conference on Lasers and Electrooptics (CLEO 2011), Baltimore, ML, USA, May 1-6, 2011, paper JTuI71

[C.53]   P. Sarrafi and L. Qian, "Time-Domain Analysis of Pulse Propagation in High-Contrast Layered Structures with Resonant Nonlinearities", poster presentation, Conference on Lasers and Electrooptics (CLEO 2011), Baltimore, ML, USA, May 1-6, 2011, paper JThB85

[C.52]   W.C. Ng, Q. Xu, K. Dolgaleva, S. Doucet, D. Lemus, P. Chretien, W. Zhu, L. A. Rusch, S. LaRochelle, L. Qian, J.S. Aitchison ,"Error-free 0.16pi-XPM-based All-Optical Wavelength Conversion in a 1cm-long AlGaAs waveguide"", IEEE Photonics Society Annual Meeting 2010, Denver, CO, USA, Nov. 7-11, 2010, Article number 5698753, pp.54-55

[C.51]   Ksenia Dolgaleva, Wing Chau Ng, Li Qian, and J. Stewart Aitchison,"Efficient Self-Phase Modulation, Cross-Phase Modulation, and Four-Wave Mixing in AlGaAs Waveguides", Frontier in Optics(FiO 2010), Rochester, NY, USA, Oct 24-28, 2010, paper FTuC5

[C.50]   C. Sapiano, J.S. Aitchison, L. Qian,"Enhanced Nonlinear Generation in DC-Induced Three Wave Mixing Versus Four Wave Mixing", poster presentation, Conference on Lasers and Electrooptics (CLEO 2010), Baltimore, ML, USA, May 16-21, 2010, paper JTuD79

[C.49]   Eric Y. Zhu, L. Qian, L.G. Helt, M. Liscidini,J.E. Sipe, A. Canagasabey, C. Corbari, M. Ibsen, and P. G. Kazansky ,"Tailoring Second-Harmonic Generation in Birefringent Poled Fiber via Twist", Oral presentation, Conference on Lasers and Electrooptics (CLEO 2010), Baltimore, ML, USA, May 16-21, 2010, paper CTuEE6

[C.48]   H. Alizadeh, L. Qian, Nazir P. Kherani, and S. Zukotynski: ,"Sensitization of erbium in silicon oxide by evaporation and thermal oxidation", Oral presentation, SPIE Optics + Photonics 2009, San Diego, CA, Aug 1-5, 2009, Proceedings of the SPIE, Vol. 7402, 74020P, 2009

[C.47]   B. Qi, Y. Chi, H.-K. Lo, L. Qian,"High speed random number generation based on measuring phase noise of a single mode diode laser", Oral presentation, Asian Conference on Quantum Information Science,(AQIS 2009), Nanjing, Aug. 26-29, China

[C.46]   E.Y. Zhu, L.G. Helt, M. Liscidini, L. Qian, J.E. Sipe, A. Canagasabey, C. Corbari, M. Ibsen, and P. G. Kazansky,"From Type II Upconversion to SPDC: A Path to Broadband Polarization Entanglement in Poled Fibers", Oral Presentation, Conference on Lasers and Electrooptics (CLEO 2009), Baltimore, ML, USA, May 31 -June 5, 2009, paper IMC5

[C.45]   F. Ye, L. Qian, B. Qi,"Location-Resolved Gas Concentration Detection Using Frequency-Shifted Interferometry", Oral Presentation, Conference on Lasers and Electrooptics (CLEO 2009), Baltimore, ML, USA, May 31 -June 5, 2009, paper CMDD5

[C.44]   Raymond Y. C. Tsai, Li Qian and Nazir P. Kherani,"Room-Temperature Photoluminescence in Er-Doped Deuterated Amorphous Carbon", Oral Presentation, Conference on Lasers and Electrooptics (CLEO 2009), Baltimore, ML, USA, May 31 -June 5, 2009, paper CTUW5

[C.43]   L. Qian, B. Qi, W.S. Mohammed, M.A. Galle, and F.Ye,"Measuring chromatic dispersion using single-arm interferometers: From millimeters to kilometers", Invited Talk, SPIE Optics + Photonics 2008, San Diego, CA, Aug 10-14, 2008, paper 7072-12

[C.42]   B. Qi, L-L Huang, Y-M Chi, L. Qian and H-K Lo, "Gaussian-modulated coherent state quantum key distribution experiment over 20km telecommunication fiber", Invited Talk, SPIE Optics + Photonics 2008, San Diego, CA, Aug 10-14, 2008, paper 7092-20

[C.41]   Jiawen Zhang and Li Qian, "X(2) Evolution in Fiber during Prolonged Thermal Poling", Oral presentation, Coherent Optical Technologies and Applications (COTA) 2008, Boston, MA, July 13-16, 2008, paper CMC6

[C.40]   Yu Yeung (Kenny) Ho and Li Qian, "Low-Insertion-Loss, In-Fiber, Dynamic Arbitrary Waveform Shaping", Oral presentation, Coherent Optical Technologies and Applications (COTA) 2008, Boston, MA, July 13-16, 2008

[C.39]   X.J. Gu, W.S. Mohammed, Li Qian & PWE Smith, "All-Fiber Laser Beam Shaping at 1.0 mu m Wavelength Region in a Single-mode Fiber", International Conference on Application of Photonics Technology (Photonics North 2008), JUN 02-04, 2008 Montreal, CANADA, 2008, Proceedings of the SPIE, vol. 7099, L990, 2008

[C.38]   C. Sapiano, J.S. Aitchison, L. Qian, "Inherent Enhancement of Nonlinear Generation Terms in DC-Induced Three Wave Mixing Coupled Mode Equations", Oral presentation at the Conference on Lasers and Electro-optics (CLEO/QELS 2008), San Jose, CA, May 4-9, 2008, paper CMBB3

[C.37]   B. Qi, L. Huang, Y-M Chi, L. Qian, H.-K. Lo, "Excess Noise Control in Gaussian-Modulated Coherent State Quantum Key Distribution System", Oral presentation at the Conference on Lasers and Electro-optics (CLEO/QELS 2008), San Jose, CA, May 4-9, 2008, paper QWE1

[C.36]   F. Ye, L. Qian, B. Qi,"A Multipoint chemical gas sensing system based on frequency-shifted interferometry", Oral presentation at the Optical Fiber Communication Conference (OFC 2008), San Diego, CA, Feb 24-28, 2008, paper OTuK3

[C.35]   J. W. Zhang, L. Qian, "Dynamics of room temperature DC-induced second-order nonlinearity in poled fiber under an external field", Oral presentation at the Optical Fiber Communication Conference (OFC 2008), San Diego, CA, Feb 24-28, 2008, paper OTuJ3

[C.34]   D. Wu, L. Qian, W.S. Mohammed, P.W.E. Smith, "A Multi-Fiber-Channel Wavelength Converter based on a Passive Ultrafast Switch", Post-deadline paper presented at the OSA Nonlinear Photonics Conference, Quebec City, Canada, September 2-6, 2007, paper JWBPDP8

[C.33]   B. Qi, Y. Zhao, X. Ma, H-K Lo, L. Qian, "Improve the efficiency of a practical quantum key distribution system", SPIE Quantum Communications and Quantum Imaging V, San Diego, CA, Aug. 2007

[C.32]   W. Zhu, L. Qian, A.S. Helmy, "Implementation of a range of functional devices using Erbium-doped Fibers: An Advanced Photonics Lab", Education and Training in Optics & Photonics Conference (ETOP 2007), Ottawa, Canada, June 2007

[C.31]   B. Qi, Y. Zhao, X. Ma, H-K Lo, L. Qian, "Dual detectors scheme in practical quantum key distribution systems", CLEO/Europe-IQEC Conference and World of Photonics Congress, Munich, Germany, June 2007

[C.30]   L. Huang, B. Qi, L. Qian, H-K Lo, "One-Way Continuous-Variable Quantum Key Distribution over 5km of Standard Telecom Fiber", CLEO, Baltimore, ML, May 2007

[C.29]   D. Wu, W.S. Mohammed, P. Srinivasan, E.G. Johnson, L. Qian, P.W.E. Smith, "Multi-Fiber-Channel, Ultrafast, All-Optical Switch Utilizing a 2-D Fresnel Lens Array", CLEO, Baltimore, ML, May 2007

[C.28]   W.S. Mohammed, M.A. Galle, J. Meier, C. Sapiano, L. Qian, P.W.E. Smith, "Full Dispersion Characterization Using Single-Arm Interferometry on a mm-Length Fiber", CLEO, Baltimore, ML, May 2007

[C.27]   Y. Zhao, B. Qi, X. Ma, H-K Lo, L. Qian, "Decoy state quantum key distribution: theory and practice", APS March Meeting, Denver, US, March 2007

[C.26]   Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi-Kwong Lo, and Li Qian,"Experimental Studies on Decoy State Quantum Cryptography", Oral presentation at the Asian Conference on Quantum Information Science 2006 (AQIS'06), Beijing, China, Sept 1-4, 2006

[C.25]   L. Huang, B. Qi, R. Mong, Li Qian, Hoi-Kwong Lo, "Sagnac QKD Using Novel Polarization-Insensitive Phase Modulators Based on Frequency Shift", IEEE LEOS summer topical meeting, Quebec city, Canada, July 14-19, 2006, paper TuB3.2

[C.24]   Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi-Kwong Lo, Li Qian, "Simulation and Implementation of Decoy State Quantum Key Distribution over 60km Telecom Fiber", IEEE International Symposium on Information Technology Seattle, WA, July 9-14, 2006, pp. 2094-2098

[C.23]   Bing Qi, Lei-Lei Huang, Li Qian, Hoi-Kwong Lo, "Quantum key distribution based on a Sagnac loop interferometer and polarization-insensitive phase modulators", 2006 IEEE International Symposium on Information Theory, Seattle, WA, July 9-14, 2006, 2090-2093

[C.22]   Bing Qi, Li Qian, Hoi-Kwong Lo, "Quantum Cloning with Broadband Amplifiers", Optical Amplifiers and Their Applications, Whistler, BC, Canada, June 25 - 28, 2006, paper OWA6

[C.21]   Y. Liu, L. Qian, Bing Qi, X. Gu,"Fiber Grating Sensor Array Interrogation Using a Frequency-Shifted Interferometer and Fourier Analysis", Coherent Optical Technology and Applications, Whistler, BC, Canada, June 28 - 30, 2006, paper CWD4

[C.20]   Yu Liu, Li Qian, Bing Qi, Hoi-Kwong Lo, Xijia Gu, "Interrogation of multiplexed fiber grating sensors using frequency-shifted interferometer", Conference on Lasers and Electro-optics (CLEO 2006), Long Beach, CA, May 21-26, 2006, paper JThC91

[C.19]   Li Qian, A.M.H. Wong, S.A. Neata, and Xijia Gu, "Simple and Efficient Optical Pulse Shaping: New Algorithm and Experimental Demonstration", Conference on Lasers and Electro-optics (CLEO 2006), Long Beach, CA, May 21-26, 2006, paper JWB33

[C.18]   B. Qi, L. Qian, A. Tausz, Y. Liu, Hoi-Kwong Lo, "Frequency-shifted interferometer and its applications", Optical Fiber Communications Conference (OFC 2006), Anaheim, CA, Mar 5 - 10, 2006

[C.17]   S.A. Neata, A. Wong, L. Qian, X. Gu, and P.W.E. Smith, "Versatile Optical Pulse Shaping Using a Linearly Chirped Fiber Bragg Grating and an Amplitude Mask", Photonics North, Toronto, Canada, Sept 12 - 14, 2005, Paper 5970-94

[C.16]   L. Qian, R. Bolen, "Erbium-doped Phosphosilicate Fiber Amplifiers: A Comparison of Configurations for the Optimization of Noise Figure and Efficiency", Photonics North, Toronto, Canada, Sept 12 - 14, 2005, paper 5970-110

[C.15]   L. Qian, S. Gupta, R. Bolen, "Low-Noise, Efficient Erbium-Doped Phosphosilicate Fiber Amplifiers Extending to 1620 nm", Conference on Lasers and Electro-optics (CLEO 2005), Baltimore, ML, May 22-27, 2005, paper JWB42

[C.14]   S. Gupta and L. Qian, "Low-cost technique for gain and noise figure measurement of erbium-doped fiber amplifiers using a broadband source and filter tuning", Photonics North, Ottawa, Canada, Sept 26 - 29, 2004, Paper 5577-20

[C.13]   S. Gupta and L. Qian, "EDFA gain and noise figure measurements at filter edges using a broadband source", Optical Amplifiers and Their Applications Conference (OAA '2004), San Francisco, CA, USA, June 27 - 30, 2004, Paper OTuA3

[C.12]   L. Qian, D. Fortusini, S.D. Benjamin, "Gain Inhomogeneity in L-band Phoshosilicate-based Erbium-doped Fiber Amplifiers", Optical Amplifiers and Their Applications Conference (OAA '2003), Otaru, Japan, Paper TuD4, (2003)

[C.11]   L. Qian, D. Fortusini, S.D. Benjamin, G. Qi, P.V. Kelkar, and V.L. da Silva,"Gain-flattened, extended L-band (1570–1620nm), high power, low noise erbium-doped fiber amplifiers" , Proceedings of the Optical Communications Conference (OFC '2002), Anaheim, CA, Paper THJ4, pp. 459–461 (2002)

[C.10]   L. Qian, P.W.E. Smith, M.A. Matin, B.J. Robinson and D. A. Thompson, "Ultrafast all-optical asymmetric Fabry-Perot switch based on bulk beryllium-doped InGaAsP grown by He-plasma-assisted epitaxy" , Proceedings of the Conference on Lasers and Electro-optics (CLEO'2000), paper CWU3, p380-381, 2000

[C.9]    L. Qian, P.W.E. Smith, H. Pinkney, B.J. Robinson and D. A. Thompson,"Dual-wavelength Dual-Pulse Pump-Probe Measurements on Helium-Plasma-Grown InGaAsP", Ninth Canadian Semiconductor Technology Conference, Ottawa, Canada, August 10-13, p45, 1999

[C.8]    L. Qian, S.D. Benjamin, P.W.E. Smith, H. Pinkney, B.J. Robinson and D. A. Thompson, "Dual-wavelength pump-probe measurements on He-plasma-grown InGaAsP reveal complex carrier dynamics" , Proceedings of the Conference on Lasers and Electro-optics (CLEO'99), paper CWL8, Baltimore, May 21-26, p319, 1999

[C.7]    H. Pinkney, D.A. Thompson, B.J. Robinson, L. Qian, S.D. Benjamin and P.W.E. Smith, "Growth of Novel InP-based Materials by He-plasma-assisted Epitaxy," 7th International Conference on Chemical Beam Epitaxy and Related Growth Techniques (ICCBE-7), Tsukuba, Japan, July 27-30, 1999

[C.6]    H. Pinkney, D.A. Thompson, B.J. Robinson, P. Mascher, P.J. Simpson, J.U. Kang, R.W. Streater, L. Qian, S.D. Benjamin and P.W.E. Smith, "Characterization of He-Plasma Assisted GSMBE InGaAsP (1.55 µm) for Fast Optical Device Applications", 10th MBE Conference, Cannes, France, 1998

[C.5]    L. Qian, S.D. Benjamin, P.W.E. Smith, B.J. Robinson and D. A. Thompson, "Subpicosecond Carrier Lifetime in Beryllium-Doped InGaAsP Grown by He-Plasma-Assisted Molecular Beam Epitaxy" , Proceedings of the Conference on Lasers and Electro-optics (CLEO'97), paper JWA8, Baltimore, May 18-23, 1997

[C.4]    B.J. Robinson, D.A. Thompson, O.J. Lumley, S.A. McMaster, J. Zhao, H. Pinkney, L. Qian, S.D. Benjamin and P.W.E. Smith, "Electrical Characterization of High Resistivity InP and Optically Fast (Sub-picosecond) InGaAsP Grown by He-Plasma-assisted Epitaxy" , 9th International Conference on InP and Related Materials, Hyannis, May 11-15, 1997

[C.3]    L. Qian, S.D. Benjamin, P.W.E. Smith, B.J. Robinson and D. A. Thompson, "Subpicosecond Carrier Lifetime and Large Optical Nonlinearities in InGaAsP Grown by He-Plasma-Assisted Molecular Beam Epitaxy", The III Optoelectronics Semiconductor Conference On Materials, Devices and Applications, Vancouver, June 1-4, 1997

[C.2]    S.D. Benjamin, L. Qian, J.E. Ehrlich, P.W.E. Smith, B.J. Robinson and D.A. Thompson, "Picosecond Carrier Lifetime in InGaAsP Grown by He Plasma-Assisted Molecular Beam Epitaxy" , Proceedings of the Conference on Lasers and Electro-optics (CLEO'96), paper CTuL11, Anaheim, June 2-7, 1996

[C.1]    L. Qian and P.W.E. Smith, "Design of A Picosecond Optical Parametric Oscillator for 1.55µm Operation" , The II Optoelectronic Semiconductor Conference on Materials, Devices, and Applications, Hamilton, May15-17, 1995 p47

    -    L. Qian, "Poled fibre, with a twist", Dagstuhl Seminar: Classical and Quantum Information Assurance Foundations and Practice, Schloss Dagstuhl, Saaland, Germany, July 26-31, 2009

    -    L. Qian, B. Qi, W.S. Mohammed, M.A. Galle, and F.Ye,"Measuring chromatic dispersion using single-arm interferometers: From millimeters to kilometers", SPIE Optics + Photonics 2008, San Diego, CA, Aug 10-14, 2008, paper 7072-12

    -    Li Qian, "Frequency-Shifted Interferometry: Applications in Optical Metrology and Quantum Communication", given at the Whiting School of Engineering, Johns Hopkins University, Baltimore, ML, USA, Sept. 21, 2006

    -    Li Qian, "Optical Metrology Based on Frequency-Shifted Interferometry", given at Zhejiang University, Hangzhou, Zhejiang, China, Aug. 28, 2006

    -    Li Qian, "Frequency-shifted Fiber Interferometers and Their Applications", given at Optical Society of America Ontario Southwestern Chapter, Waterloo University, Waterloo, Ontario, Canada, May 4, 2006

    -    Li Qian, "Realizing New Functionalities through Packaging - Multibeam All-Optical Devices for Parallel Processing", given at COPA Workshop - Optoelectronics Packaging & Assembly: The Next Generation , Canadian Photonics Fabrication Centre, National Research Council, Ottawa, Canada, July 22, 2004

    -    Li Qian and Lacra Pavel, "Robust EDFA transient control using spectral gain probing and advanced control techniques", given at Intelligent Photonics Control, Ottawa, Canada, Dec. 12, 2003

    -    L. Qian, "Present and Future of Er-doped Fibre Amplifier: New Challenges", given at Dept. of ECE, University of Toronto, Toronto, Ontario, Canada, Sept 27, 2002

    -    L. Qian, "Extended L Band Er-doped Fiber Amplifiers", given at Corning Inc., Corning, New York, USA, March 8, 2002