Professor Yunlong Sheng
Docteur ès Science Physique, France (1986)
Fellow OSA - Optical Society of America
Fellow SPIE-The International Society for Optical Engineering
Center for Optics, Photonics and Laser,
Canadian Institute for Photonics Innovations
Department of Physics, Physical Engineering and Optics
Canada G1K 7P4,
Invited Professor: University of Academy of Science of China in Beijing
Adjunct professor in the
Visiting Professor ShenZhen
Visiting Professor Swinburne
He serves as
Topical Editor, Applied Optics (2012-); Optics Letters (2006-2009),
Member of editorial board for Chinese Optics Letters,
Guest Editor for the Feature Issue 'Optical 3D Display and Imaging' in Chinese Optics Letters (2014)
Guest Editor for the Feature Issue ‘Applications of Nano-optics’ of Applied Optics in (2011)
Guest Editor for the Special Section, “Diffractive Optics” in Optical Engineering.
Conferences chair, Holography and Diffractive Optics Applications in Photonics Asia 2002, 2004, 2007, 2010, 2012 and 2014.
Conference Chair and Co-Chair Optical Instrumentation Technology (OIT) in 2008, 2009, 2011, 2013.
Program Co-Chair, International Conferences on Information Fusion in 2007
Chair of the Focused session (Symposium) in International Commission for
Optics (ICO-20) in 2005;
Diffraction of metal nano-structures; Plasmonics
Nano-Imaging with Near-field superlens
Trapping of Nanoparticle; Optomechanics of optical tweezers
Cell mechanics and cell deformation under optical radiation pressure
Robust object detection using context information
Wavelet and Beamlet Transforms
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My Teaching Courses
Statistics and Thermal Physics (undergraduate)
Base de la Photonique (Undergraduate)
and Diffractive Optics and Nano-optics (Graduate course)
Image Science (Graduate course)
Science et Societe (Undergraduate course ).
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Postal Address. Department of Physics, Physical Engineering and Optics, University Laval
Ste-Foy, Quebec, Canada G1K 7P4
418 656 2131 x 3908
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Paul Brule-Bareil PhD (Nano-photonics)
Yann Gravel PhD (Plasmonics)
Lingyao Yu PhD (Bio-Photonics)
Jing Wang PhD (Computer Generated Holograms)
Yuhua Yang PhD (Optical tweezers)
Kejia Wang (Image Invariant Moments)
Prof. Y. Sheng has trained and is traning more than 60 Students in PhD, MSc. and undergraduate, Post-Doctors and Research associates
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Fellow of the SPIE - The International
Society for Optical Engineering
Fellow of OSA - Optical Society of America,
of the Centre d'Optique, Photonique et Laser (COPL), University Laval, since
Member of Expert Group, Physics Group, Natural Science and Engineering Council (NSERC) of Canada (2014-2016)
Author and co-author of more then 250 technical papers, books and book chapters, receiving more than 4,000 citations,
A member of Canadian Association of Physicists
BS from the University of Sciences and Technology of China in 1964.
Doctor de 3ème cycle and Doctor d`Etat in physics from the Universite de Franche-Comte Besancon, France in 1982 and 1986.
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Research Sponsors and collaborators
Natural Sciences and Engineering Research Council of Canada (NSERC)
Canadian Institute for Photonic Innovations (CIPI)
Defense Research and Development Canada, Valcartier (DRDC)
Centre de recherche de L'Hôtel-Dieu de Québec (CHUQ)
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Selected Publications of Yunlong Sheng
Optical tweezers and Cell mechanics
Yu, Y. Sheng and A. Chiou, “Three dimensional light-scattering and
deformation of individual biconcave human blood cells in optical tweezers”, Optics
Express, Vol. 21, No. 10, 12174-12184 (2013).
Bareil and Y. Sheng, “Modeling
highly focused laser beam in optical tweezers with the vector Gaussian beam
in the T-matrix method,", J. Opt. Soc. Am A, vol. 30, No 1, 1-6 (2013)
and Virtual Journal for Biomedical Optics, Jan. (2013), http://dx.doi.org/10.1364/JOSAA.30.000001
Bordeleau, M. Myrand Lapierre, Y. Sheng
and N. Marceau and, “Keratin 8/18 Regulation of Cell Stiffness-Extracellular
Matrix Interplay through Modulation of
P.Bareil and Y. Sheng, "Angular and position of nanorod trapped in an optical tweezers," Optics Express, vol. 18, No. 25 26388-27398 (2010) . PDF
Rancourt-Grenier, M. Wei, J. Bai, A. Chiou, P. Bareil, P. Duval and Y.
Sheng, ‘Dynamic deformation of red blood cell in Dual-trap Optical
Express, vol. 18, No. 10, 10462-10472 (2010). PDF
F. Bordeleau, J. Bessard, Y. Sheng and N. Marceau, “Keratin contribution to cellular mechanical stress response at focal adhesions as assayed by laser tweezers”, Biochem. Cell Biol, vol. 86, 352-359 (2008) PDF
G. Liao, P. B. Bareil, Y. Sheng, and A. Chiou1 “One-dimensional jumping optical tweezers for optical stretching of bi-concave human red blood cells”, Optics Express, vol. 16, No. 3, 1996-2004 (2008) PDF
B. Bareil, Y. Sheng, Y. Q. Chen and A. Chiou, “Calculation
red blood cell deformation in a dual beam beam optical stretcher”,
Optics Express, vol. 15 No. 24, 16029-16034 (2007).
P. Bareil, Y. Sheng and A. Chiou, 'Local stress disctribution on the surface of a spherical cell in an optical stretcher', Optics Express, vol.14, no. 25, 12503-12509 (2006); (PDF)
Gravel and Y. Sheng, “Rigorous solution for optical diffraction of a
sub-wavelength real-metal slit,” Optics Express, vol.20 No.3, 2149-2162
C. Zhou, Y. Fainman and Y. Sheng, “Applications of Nano-optics”, Appl. Opt. Vol. 50, No. 31, NO1 (2011) PDF
Tremblay and Y. Sheng, “Modeling and designing metallic superlens with metallic objects”,
Optics Express Vol. 19, No. 21, 20634-20641 (2011) PDF
G. Tremblay and Y. Sheng, ‘Improving imaging
performance of a metallic superlens using the long-range surface Plasmon
polariton mode cutoff technique’, Applied Optics, Vol. 49, No. 7 (2010) (PDF)
G . Tremblay and Y. Sheng, ‘Designing the metallic superlens close to the cutoff of the long-range mode’, Optics Express, Vol. 18, No. 2, 740-745 (2010) (PDF)
Gravel and Y. Sheng, “Rigorous solution for the
transient surface plasmon polariton launched by subwavelength slit
16, No 26,
pp. 21903–21913 (2008) PDF
B. Ung and Y. Sheng, “Optical
surface waves over metallo-dielectric nanostructures: Sommerfeld integrals
revisited”, Optics Express,
vol. 16, No. 12, 9073-9086 (2008)
B. Ung and Y. Sheng, “Interference of surface waves in a metallic nanoslit ”, Optics Express vol.115, no.3 1182-1191 (2007). (PDF)
C. M. Wang, H. I Huang, C. C. Chao, J. Y. Chang, and Y. Sheng “Transmission enhancement through a trench surrounded nano metallic slit by bump reflectors” Optics Express, vol. 15, No. 6 3496-3501 (2007).
M. Wang, B. Ung, Y. Sheng, and J. Y. Chang, “Enhanced Transmission through
Nano-Aperture on a Tapered Metallic Substrate“, Opt. Commun. 265(2),
Near filed of phase-shifted Phase mask
Y. Sheng and L. Sun, "Near-field diffraction of irregular phase gratings with multiple phase-shifts," Opt. Express 13, 6111-6116 (2005). (PDF)
J. E Rothenberg, H. Li,
Y. Wang and J.
Zweiback, “Split of phase-shift in a phase mask for fiber Bragg gratings”,
Photonics Tech. Letter, vol. 16, No. 5, 1316-1318 (2004) (PDF)
Sheng, Y. Qiu and J. Wang , ‘Diffraction of phase mask with stitching
errors in fabrication of fiber Bragg gratings’, Opt. Eng., Special section
on Diffractive Optics, Vol.43,
No.11, 2570-2574 (2004)
Y. Sheng, J. E. Rothenberg, H. Li, W. Ying and J. Zweiback, “Phase mask design and phase mask for writing optical fiber Bragg gratings”, international patent PCT, WO 03/062880 (2003). (PDF)
J. Rothenberg, Y. Sheng, “Lithographic fabrication of phase mask for fiber Bragg gratings”, US patent application, DO-060901/P006CP1/10103165 (2001)
Sheng, J. Wang, Y. Qiu and P. Kung, Modeling
and testing phase mask stitching error for writing fiber gratings, Topical
meeting OSA on Diffractive and Micro optics, Quebec, 66-68 (2000).
Y. Qiu, Y. Sheng, C. Beaulieu, "Optimal phase masks for fiber Bragg grating fabrication", J. Lightwave Tech., vol.17, No.11, 2366-2370 (1999). (PDF)
Fiber Bragg gratings
. Bernier, Y.
Sheng and R. Vallee, “Ultrabroadband
fiber Bragg gratings written with a highly chirped phase mask and Infrared
femtosecond pulses”, Optics Express Vol. 17, No. 5 3285-3290 (2009)
M. Bernier, R. Vallée, B. Morasse, C. Desrosiers, A. Saliminia, and Y. Sheng, Ytterbium fiber laser based on first-order fiber Bragg gratings written with 400nm femtosecond pulses and a phase-mask, Optics Express, vol. 17, No. 21, 18887-18893 (2009). (PDF)
M. Bernier, Y. Sheng and R. Vallee, “Ultrabroadband
fiber Bragg gratings written with a highly chirped phase mask and Infrared
femtosecond pulses”, Optics Express Vol. 17, No. 5 3285-3290
Bernier, D. Faucher, R. Vallée, A. Saliminia, G. Androz, Y. Sheng, and S.
L. Chin, “Bragg gratings photoinduced in ZBLAN fibers by
femtosecond pulses at 800 nm”,
Opt. Letters, Vol. 32, No. 5, 454-457
H. Li, M. Li, Y. Sheng and J. E. Rothenberg, “Advances in the Design and Fabrication of High-Channel-Count Fiber Bragg Gratings”, (Invited Tutorial), J. Lightwave Tech. vol. 25, No.9, 2739-2750 (2007)
G. Tremblay and Y. Sheng, “Effects of the phase-shift split on phase-shifted fiber Bragg gratings”, J. Opt. Soc. Am. B, vol.25, no.8, 1511-1516, (2006)
H. Li, M. Li, K. Ogusu. Y. Sheng, and J. E. Rothenberg, “Optimization of a continuous phase-only sampling for high channel–count fiber Bragg gratings”, Optics Express, vol.14, No.8, 3152-3160 (2006)
J. E. Rothenberg,, H. Li, J.
Popelek, J. Zweiback and Y. Sheng, “A novel phase-only sampled
45-channel fiber Bragg grating written with diffraction-compensated phase
mask “ Optics Lett., vol.31, No.9, 1199-1201 (2006).
Y. Ouyang, Y. Sheng M. Bernier and G. Paul-Hus, “Iterative layer-peeling algorithm for designing fiber Bragg gratings with fabrication constraints”, J. Lightwave Tech. vol. 23, No.11 3924-3930 (2005), (PDF)
G. Tremblay, J. N. Gillet, Y. Sheng, M. Bernier and G. Paul-Hus, “Optimizing fiber Bragg gratings using a genetic algorithm with fabrication-constraint encoding”, J. Lightwave Tech. vol. 23, No.12 4382-4386 (2005) (PDF)
H. Li, Y. Nakamura1, K. Ogusu1, Y. Sheng and J. E.
of cladding-mode coupling losses on the spectrum of a linearly chirped
multi-channel fiber bragg grating”
Express, Vol. 13, No. 4 1283-1290 (2005) (PDF)
H. Li, T. Kumagai, K. Ogusu and Y. Sheng, ‘Advanced design of multi-channel fiber Bragg grating based on a layer-peeling method’, J. Opt. Soc. Am. B, vol. 21, p 1929 (2004) (PDF)
Y. Ouyang and Y. Sheng, “Design FBG using iterative layer-peeling algorithm”, OFC04, paper MF32, (2004). (PDF)
H. Li, Y. Li, J. Popelek, Y. Sheng, Y. Wang, P.B. Wilcox and J. Zweiback,
Dammann fiber Bragg gratings and phase-only sampling for high channel
counts, IEEE Photonics Tech. Letters, vol. 14, No. 9, 1309-1311, (2002).
H. Li and Y. Sheng, "Direct
with Discrete Layer-peeling Algorithm", IEEE Photonics Tech. Letter, vol.15,
No9, 1252-1254 (2003) (PDF)
Li, Y. Sheng*, Y. Li and J. E
Rothenberg, " Phased-Only Sampled
Fiber Bragg Gratings for High Channel Counts Chromatic Dispersion
Lightwave Tech. Vol.
21, No. 9, 2074-2083 (2003).
Caron and Y. Sheng, “Polynomial phase masks for extending the depth of
field of a microscope”, Appl. Optics, vol. 47, no. 22, E39-E43 (2008)
Gillet and Y. Sheng , Multiplexed
computer-generated holograms with
polygonal-aperture layouts optimized by genetic algorithm, Appl. Optics, Vol.
42, No. 20, 4156-4165 (2003)
J. N. Gillet and Y. Sheng, Multiple computer-generated holograms with irregular-shaped polygonal apertures and discrete phase levels, J. Opt. Soc. Am. A, vol. 19, No. 12, 2403-2413 (2002)
N. Gillet and Y. Sheng, Multiplexed computer generated holograms with
polygonal aperture, Appl. Opt. vol.41, No.2, 298-306,
N. Gillet and Y. Sheng, Iterative simulated quenching for designing
irregular spot array generators, Appl. Opt. vol.39, No.20, 3456-3464
Sheng, D. Feng and S. Larochelle, "Analysis and synthesis of circular
diffractive lens using linear local grating model and rigorous coupled-wave
theory", J. Opt. Soc. Am. A, vol.14, 7, 1562-1568, (1997)
Chen, D. Li and Y. Sheng, "A beam shaping element whose output is not
sensitive to input variations", Appl. Opt. vol.36, 3, 568-571 (1997).
Goncalves Neto, D. Roberge and Y. Sheng, "Full range continuous complex
modulation using two coupled-mode liquid crystal televisions", Appl.
Opt. vol. 35, 4567-4576 (1996).
Galmiche and Y. Sheng, New design algorithm for continuous-profile
diffractive array generator, IS&T/OSA Optics and Imaging in Information
Sheng, S. Deschenes and H. J. Caulfield, Monochromatic electromagnetic
wavelets and Hyugens principle, Appl. Opt. Vol.37, No.5, 828-833 (1998)
Sheng, J. Duvernoy, "Bilinear system analysis for
microdensitometer", J. Opt. Soc. Am. A, 3,
8, 1320-1325 (1986).
Ren, Z. Ping, W. Bo, W. Wu, Y. Sheng, Multidistortion-invariant
image recognition with radial harmonic Fourier moments,
Opt. Soc. Am A,
20, No. 4, 631-637 (2003)
Z. Ping, R. Wu and Y. Sheng, Image description with Chebyshev-Fourier moment, J. Opt. Soc. Am. A, vol. 19, No. 9, 1748-1754 (2002).(PDF)
Y. Sheng and L. Shen, "Orthogonal Fourier-Mellin moments for invariant pattern recognition", J. Opt. Soc. Am. A, 6, 1748-1757 (1994). (PDF)
Y. Sheng, H. H. Arsenault, "Experiments on the pattern recognition using invariant Fourier-Mellin descriptors", J. Opt. Soc. Am. A, 3, 6, 771-776 (1986).
Y. Sheng, J. Duvernoy, "Circular Fourier-Radial Mellin Descriptors (FMDs) for pattern recognition", J. Opt. Soc. Am. A, 3, 6, 885-888 (1986). (PDF)
Y. Sheng, "Wavelet transform", in "The Transforms and Applications Handbook", A.D. Poulariskas Ed. Chap. 10, (CRC and IEEE Press, Boca Raton, 1995).
Y. Sheng, D. Roberge and H. Szu, "Optical wavelet transform", in the book "Optical pattern recognition" F. T. S. Yu and S. Yin Ed., SPIE, Milestone Series (1999).
Y. Sheng, D. Roberge, H. Szu and T. Lu, "Optical wavelet matched filters for shift-invariant pattern recognition", Optics Letters, 18, 299-301 (1993).
Y. Li, H. Szu, Y. Sheng and J. Caufield, "Wavelet processing and optics", (invited) Proceedings of the IEEE, vol.84 No.5, 720-732 (1996)
Image Registration and fusion
Sheng, X. Yang, L.
Sévigny and P. Valin, “Robust multisensor image registration and fusion
with partial distance metrics”, NATO ASI Multisensor data fusion,
J. Li, Y. Sheng, L. Sevigny and P. Valin, Superresolution reconstruction of infrared image sequences by wavelet expansion, Vision Interface 2000, Montreal, 107-114 (2000).
Sheng et al., "Visible/IR
Battlefield Image Registration using Local Hausdorff Distances",
International Society of information fusion, Conference Fusion99, San Jose,
D. McReynolds, P. Marchand, Y. Sheng, L. Gagnon, L. Sevigny, "Stabilization of Infra-red Aerial Image Sequences Using Robust Estimation," Proceedings of Vision Interface 99, Trois-Rivieres, Qc, 288-295 (1999).
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Last Revision, September 2015