B. Li, K. Charan, K. Wang, T. Rojo, D. Sinefeld, and C. Xu
“Nonresonant background suppression for coherent anti-Stokes Raman scattering microscopy using a multi-wavelength timelens source”, Opt. Exp., 24, 26687, 2016 >>> Link

C. Lin, F. Li, Y. Lee, T. Tseng, W. Chen, V. Hovhannisyan, N. Kang, N. G. Horton, S. Chiang, C. Xu, H. Lee, and C. Dong
“Direct visualization of functional heterogeneity in hepatobiliary metabolism using 6-CFDA as model compound”, Biomed. Opt. Exp., 7, 3574, 2016 >>> Link

Yuxing Tang, Logan G. Wright, Kriti Charan, Tianyu Wang, Chris Xu, and Frank W. Wise
Generation of intense 100  fs solitons tunable from 2 to 4.3  μm in fluoride fiber“, Optica 3(9), 948-951, 2016 >>> Link

H. S. Wei, H. Kang, I. D. Rasheed, S. Zhou, N. Lou, A. Gershteyn, E. D. McConnell, Y. Wang, K. E. Richardson, A. F. Palmer, C. Xu, J. Wan, M. Nedergaard
Erythrocytes are oxygen-sensing regulators of the cerebral microcirculation“, Neuron, 91, 851–862, 2016 >>> Link


D. Sinefeld, H. P. Paudel, D. G. Ouzounov, T. G. Bifano, and C. Xu
Adaptive optics in multiphoton microscopy: comparison of two, three and four photon fluorescence“, Optics Express., Vol. 23, Issue 24, pp. 31472-31483, 2015.  >>> Link

N. G. Horton and C. Xu
Dispersion compensation in three-photon fluorescence microscopy at 1,700 nm“, Biomedical Optics Express 6(4), 1392–1397 (2015) >>> Link

Luke J. Mortensen, Clemens Alt, Raphaël Turcotte, Marissa Masek, Tzu-Ming Liu, Daniel C. Côté, Chris Xu, Giuseppe Intini, and Charles P. Lin
“Femtosecond laser bone ablation with a high repetition rate fiber laser source”  Biomedical Optics Express, Vol. 6, Issue 1, pp. 32-42 (2015) >>> Link


D. M. Huland, M. Jain, D. G. Ouzounov, B. D. Robinson, D. S. Harya, M. M. Shevchuk, P. Singhal, C. Xu, A. K. Tewari
“Multiphoton gradient index endoscopy for evaluation of diseased human prostatic tissue ex vivo”  J. Biomed. Opt., Vol. 19, Iss. 11, pp. 116011, 2014. >>> Link

L. Cheng, N. G. Horton, K. Wang, S. Chen, and C. Xu
“Measurements of multiphoton action cross sections for multiphoton microscopy”  Biomed. Opt. Exp., Vol. 5, Iss. 10, pp. 3427–3533, 2014. >>> Link

L. Cheng, C. Lien, Y. Sie, Y. Hu, C. Lin, F. Chien, C. Xu, C. Dong, and S. Chen
“Nonlinear structured-illumination enhanced temporal focusing multiphoton excitation microscopy with a digital micromirror device”  Biomed. Opt. Exp., Vol. 5, Iss. 8, pp. 2526–2536, 2014. >>> Link

C. Chang, L. Cheng, H. Su, Y. Hu, K. Cho, W. Yen, C. Xu, C. Dong, and S. Chen
“Wavefront sensorless adaptive optics temporal focusing-based multiphoton microscopy”  Biomed. Opt. Exp., Vol. 5, Iss. 6, pp. 1768–1777, 2014. >>> Link

K. Wang, N. G. Horton, K. Charan, and C. Xu
“Advanced fiber soliton sources for nonlinear deep tissue imaging in biophotonics”  IEEE J. Sel. Topics in Quantum Elec., 20, 6800311, 2014. >>> Link

K. Charan, M. E. V. Pedersen, K. Wang, L. Grüner-Nielsen, D. Jakobsen, C. Xu
“Experimental demonstration of soliton cascade in higher-order-mode fibers”  IEEE Photonics Technology Letters, 26, 301-304, 2014. >>> Link


A. Paul Alivisatos, Anne M. Andrews, Edward S. Boyden, Miyoung Chun, George M. Church, Karl Deisseroth, John P. Donoghue, Scott E. Fraser,O Jennifer Lippincott-Schwartz, Loren L. Looger, Sotiris Masmanidis, Paul L. McEuen, Arto V. Nurmikko, Hongkun Park, Darcy S. Peterka, Clay Reid, Michael L. Roukes, Axel Scherer, Mark Schnitzer, Terrence J. Sejnowski, Kenneth L. Shepard, Doris Tsao, Gina Turrigiano, Paul S. Weiss, Chris Xu, Rafael Yuste, and Xiaowei Zhuang
“Nanotools for Neuroscience and Brain Activity Mapping”  ACS Nano., 7(3), 1850-1866, 2013. >>> Link

C. Xu and F. W. Wise
“Recent advances in fibre lasers for nonlinear microscopy”, Nature Photon., 7, 875–882, 2013. >>> Link

M.E.V. Pedersen, J. Cheng, C. Xu, K. Rottwitt
“Transverse Field Dispersion in the Generalised Non-Linear Schrödinger Equation: Four Wave Mixing in a Higher-Order-Mode Fiber”  Journal of Lightwave Technology, 31, 3425-3431, 2013. >>> Link

H. Guo, H. Aleyasin, S. S. Howard, B. C. Dickinson, V. S. Lin, R. E. Haskew-Layton, C. Xu, Y. Chen, and R. R. Ratan
“Two-photon fluorescence imaging of intracellular hydrogen peroxide with chemoselective fluorescent probes”  J. Biomed. Opt. 18 (10), 106002, 2013.>>> Link

D. G. Ouzounov, D. R. Rivera, W. O. Williams, J. A. Stupinski, T. L. Southard, K. H. Hume, J. Bentley, R. S. Weiss, W. W. Webb, and C. Xu
“Dual modality endomicroscope with optical zoom capability”, Biomed. Opt. Exp., Vol. 4, Iss. 9, pp. 1494–1503, 2013.>>> Link

A. Aggarwal, M. Jain, P. K. Frykman, C. Xu, S. Mukherjee, O. J. Muensterer,
“Multiphoton microscopy to identify and characterize the transition zone in a mouse model of Hirschsprung disease”, J. Pediatr. Surg. Vol. 48, Issue 6, 1288-1293, 2013.>>> Link

D. Ouzounov, D. Rivera, W. W. Webb, J. Bentley, and C. Xu,
“Miniature zoom objective lens for endomicroscopy”, Optics Letters, 38, 3103-3106, 2013.>>> Link

K. Wang, D. Zhang, K. Charan, M. N. Slipchenko, P. Wang, C. Xu, and J. Cheng,
“Time-lens based hyperspectral stimulated Raman scattering imaging and quantitative spectral analysis”, J. Biophotonics 6, No. 10, 815–820, 2013>>> Link

D. M. Huland, K. Charan, D. G. Ouzounov, J. S. Jones, N. Nishimura, and C. Xu
Three-photon excited fluorescence imaging of unstained tissue using a GRIN lens endoscope”, Biomedical Optics Express Vol. 4, 652–658, 2013 >>> Link

N. G. Horton, K. Wang, and D. Kobat, C. Clark, F. Wise, C. Schaffer, and C. Xu
In vivo three-photon microscopy of subcortical structures of an intact mouse brain”, Nature Photonics7, 205–209, 2013 >>> Link

Howard, S., A. Straub, N. G. Horton, D. Kobat, and C. Xu.
Frequency-multiplexed in vivo multiphoton phosphorescence lifetime microscopy,” Nature Photonics7, 33-37, 2013 >>> Link


Makino, T.,  M. Jain, D. C. Montrose, A. Aggarwal, J. Sterling, B. P. Bosworth, J. W. Milsom, B. D. Robinson, M. M. Shevchuk, K. Kawaguchi, N. Zhang, C. M. Brown, D. R. Rivera, W. O. Williams, C. Xu, A. J. Dannenberg, S. Mukherjee
Multiphoton tomographic imaging: a potential optical biopsy tool for detecting gastrointestinal inflammation and neoplasia” Cancer Prevention Research, 5, 1280–1290, 2012 >>> Link

Cheng, J., M. E. V. Pedersen, K. Charan, K. Wang, C. Xu, L. Grüner-Nielsen, and D. Jakobsen,
Intermodal Cerenkov Radiation in a Higher-order-mode Fiber”, Optics Letters37(21), 4410-4412 (2012) >>> Link

Cheng, J., M. E. V. Pedersen, K. Charan, K. Wang, C. Xu, L. Grüner-Nielsen, and D. Jakobsen,
Intermodal Four-wave Mixing in a Higher-order-mode Fiber”, Applied Physics Letters 101, 161106 (2012) >>> Link

Pedersen, M. E.V., J. Cheng, K. Charan, K. Wang, C. Xu, L. Grüner-Nielsen, and D. Jakobsen.
Higher-Order-Mode Fiber Optimized for Energetic Soliton Propagation”, Optics Letters 37, 3459-3461 (2012) >>> Link

Wang, K., T. Liu, J. Wu, N. G. Horton, C. P. Lin, and C. Xu.
Three-color femtosecond source for simultaneous excitation of three fluorescent proteins in two-photon fluorescence microscopy”, Biomedical Optics Express 3(9), 1972-1977 (2012) >>> Link

Huland, D.M., C. M. Brown, S.S. Howard, D.G. Ouzounov, I. Pavlova, K. Wang, D. R. Rivera, W.W. Webb, and C. Xu.
In Vivo Imaging of Unstained Tissues Using Long Gradient Index Lens Multiphoton Endoscopic Systems“, Biomedical Optics Express 3(5), 1077-1085 (2012) >>> Link

Rivera, D., C. Brown, D. Ouzounov, D. Huland, W. Webb, and C. Xu.
Multiphoton Endoscopes for in Vivo Imaging of Unstained Tissues“, SPIE Newsroom (solicited article)  (2012)  >>> Link

Wang, K., and C. Xu.
Fiber Delivered Two-Color Picosecond Source through Nonlinear Spectral Transformation for Coherent Raman Scattering Imaging“, Applied Physics Letters 100(7), 071106-1-3 (2012)  >>> Link

Rivera, D.R., C.M. Brown, D.G. Ouzounov, W.W. Webb, and C. Xu.
Multifocal Multiphoton Endoscope“, Optics Letters 37(8), 1349-1351 (2012) >>> Link

Rivera, D. R., C. M. Brown, D. G. Ouzounov, W. W. Webb, and C. Xu.
Use of a Lensed Fiber for a Large-Field-of-View, High-Resolution, Fiber-Scanning Microendoscope“, Optics Letters 37(5), 881-883 (2012) >>> Link

Cheng, L.C., C.Y. Chang, C.Y. Lin, K.C. Cho, W.C. Yen, N.S. Chang, C. Xu, C.Y. Dong, and Chen S.J.
Spatiotemporal Focusing-Based Widefield Multiphoton Microscopy for Fast Optical Sectioning“, Optics Express 20(8), 8939-8948 (2012) >>> Link

Cheng, J., M. E. V. Pedersen, K. Wang, C. Xu, L. Gruner-Nielsen, and D. Jakobsen.
Time-Domain Multimode Dispersion Measurement in a Higher-Order-Mode Fiber“,  Optics Letters 37(3), 347-349 (2012) >>> Link

Brown, C. M., D. R. Rivera, D.G. Ouzounov, W.W. Webb, and C. Xu.
In Vivo Imaging of Unstained Tissues Using a Compact and Flexible Multiphoton Microendoscope “, Journal of Biomedical Optics 17(4), 040505-1-3 (2012) >>> Link


Wei, Y. Z., S. Howard, A. Straub, Z. N. Wang, J. Cheng, S. M. Gao, and C. Xu.
High Sensitivity Third-Order Autocorrelation Measurement by Intensity Modulation and Third Harmonic Detection” Optics Letters 36(12), 2372-2374 (2011)  >>> Link

Wang, K., and C. Xu.
Wavelength-Tunable High-Energy Soliton Pulse Generation from a Large-Mode-Area Fiber Pumped by a Time-Lens Source“, Optics Letters 36(6), 942-944 (2011)  >>> Link

Wang, K., and C. Xu.
Tunable High-Energy Soliton Pulse Generation from a Large-Mode-Area Fiber and Its Application to Third Harmonic Generation Microscopy“, Applied Physics Letters 99 071112-1-3 (2011) >>> Link

Wang, K., and C. Xu.
Fiber-Delivered Picosecond Source for Coherent Raman Scattering Imaging” Optics Letters 36(21), 4233-4235 (2011)  >>> Link

Tewari, A. K., M. M. Shevchuk, J. Sterling, S. Grover, M. Herman, R. Yadav, K. Mudalair, A. Srivastava, M. A. Rubin, W. R. Zipfel, F. R. Maxfield, C. Xu, W. W. Webb, and S. Mukherjee.
Multiphoton Microscopy for Structure Identification in Human Prostate and Periprostatic Tissue: Implications in Prostate Cancer Surgery“, BJU International 108(9), 1421-1429 (2011) >>> Link

Straub, A., M. E. Durst, and C. Xu.
High Speed Multiphoton Axial Scanning through an Optical Fiber in a Remotely Scanned Temporal Focusing Setup” Biomedical Optics Express 2(1), 80-88 (2011)  >>> Link

Rivera, D. R., C. M. Brown, D. G. Ouzounov, I. Pavlova, D. Kobat, W. W. Webb, and C. Xu.
Compact and Flexible Raster Scanning Multiphoton Endoscope Capable of Imaging Unstained Tissue“, Proceedings of the National Academy of Sciences of the United States of America 108(43), 17598-17603 (2011)  >>> Link

Ramasamy, R., J. Sterling, E. S. Fisher, P. S. Li, M. Jain, B. D. Robinson, M. Shevchuck, D. Huland, C. Xu, S. Mukherjee, and P. N. Schlegel.
Identification of Spermatogenesis with Multiphoton Microscopy: An Evaluation in a Rodent Model” Journal of Urology 186(6), 2487-2492 (2011)  >>> Link

Kobat, D., N. G. Horton, and C. Xu.
In Vivo Two-Photon Microscopy to 1.6-mm Depth in Mouse Cortex“, Journal of Biomedical Optics 16(10), 106014-1-4 (2011)  >>> Link

Cheng, J., J. H. Lee, K. Wang, C. Xu, K. G. Jespersen, M. Garmund, L. Gruner-Nielsen, and D. Jakobsen.
Generation of Cerenkov Radiation at 850 nm in Higher-Order-Mode Fiber“, Optics Express 19(9), 8774-8780 (2011)  >>> Link


Xu, C., and W.R. Zipfel.
Two-Photon Cross Sections of Indicators“. In Imaging: A Laboratory Manual, edited by R. Yuste. Chap. 29, pp. 465-474. Cold Spring Harbor, NY: Cold Spring Harbor Laboratory Press (2010)

Wang, K., C. W. Freudiger, J. H. Lee, B. G. Saar, X. S. Xie, and C. Xu.
Synchronized Time-Lens Source for Coherent Raman Scattering Microscopy” Optics Express 18(23), 24019-24024 (2010)  >>> Link

Dai, Y. T., Y. Okawachi, A. C. Turner-Foster, M. Lipson, A. L. Gaeta, and C. Xu.
Ultralong Continuously Tunable Parametric Delays Via a Cascading Discrete Stage” Optics Express 18(1), 333-339 (2010)  >>> Link

Chen, M. H., C. Xu, and W. W. Webb.
Endoscope Lens with Dual Fields of View and Resolutions for Multiphoton Imaging” Optics Letters 35(16), 2735-2737 (2010)  >>> Link



Kobat, D., M. E. Durst, N. Nishimura, A. W. Wong, C. B. Schaffer, and C. Xu.
Deep Tissue Multiphoton Microscopy Using Longer Wavelength Excitation” Optics Express 17(16), 13354-13364 (2009)  >>> Link

Durst, M. E., A. A. Straub, and C. Xu.
Enhanced Axial Confinement of Sum-Frequency Generation in a Temporal Focusing Setup” Optics Letters 34(12), 1786-1788 (2009)  >>> Link

Durst, M. E., D. Kobat, and C. Xu.
Tunable Dispersion Compensation by a Rotating Cylindrical Lens” Optics Letters 34(8), 1195-1197 (2009)  >>> Link

Dai, Y. T., and C. Xu.
Generation of High Repetition Rate Femtosecond Pulses from a Cw Laser by a Time-Lens Loop“, Optics Express 17(8), 6584-6590 (2009)  >>> Link

Dai, Y. T., X. P. Chen, Y. Okawachi, A. C. Turner-Foster, M. A. Foster, M. Lipson, A. L. Gaeta, and C. Xu.
1 μs Tunable Delay Using Parametric Mixing and Optical Phase Conjugation in Si Waveguides” Optics Express 17(9), 7004-7010 (2009)  >>> Link

Dai, Y. T., X. P. Chen, Y. Okawachi, A. C. Turner-Foster, M. A. Foster, M. Lipson, A. L. Gaeta, and C. Xu.
1 μs Tunable Delay Using Parametric Mixing and Optical Phase Conjugation in Si Waveguides: Comment“, Optics Express 17(18), 16029-16031 (2009) >>> Link


Zhang, D. F., L. J. Qian, P. Yuan, H. Y. Zhu, S. C. Wen, and C. Xu.
Fiber-Array-Based Detection Scheme for Single-Shot Pulse Contrast Characterization“, Optics Letters 33(17), 1969-1971 (2008) >>> Link

Xu, C., and W.R. Zipfel.
Multiphoton Excitation of Fluorescent Probes” In Handbook of Biomedical Nonlinear Optical Microscopy, edited by B. Masters and P. So. Chap. 13, pp. 311-333. New York: Oxford University Press, USA (2008)

Okawachi, Y., M. A. Foster, X. P. Chen, A. C. Turner-Foster, R. Salem, M. Lipson, C. Xu, and A. L. Gaeta.
Large Tunable Delays Using Parametric Mixing and Phase Conjugation in Si Nanowaveguides“, Optics Express 16(14), 10349-10357 (2008)  >>> Link

Lee, J. H., J. van Howe, C. Xu, and X. Liu.
Soliton Self-Frequency Shift: Experimental Demonstrations and Applications“, IEEE Journal of Selected Topics in Quantum Electronics 14(3), 713-723 (2008)  >>> Link

Durst, M. E., G. Zhu, and C. Xu.
Simultaneous Spatial and Temporal Focusing in Nonlinear Microscopy“, Optics Communications 281(7), 1796-1805 (2008)  >>> Link

Chen, X. P., K. L. Reichenbach, and C. Xu.
Experimental and Theoretical Analysis of Core-to-Core Coupling on Fiber Bundle Imaging“, Optics Express 16(26), 21598-21607 (2008) >>> Link


Zhu, G. H., J. Edinberg, and C. Xu.
Nonlinear Distortion Free Fiber-Based Chirped Pulse Amplification with Self-Phase Modulation up to 2 Pi“, Optics Express 15(5), 2530-2534 (2007)  >>> Link

Xu, C., and X. Liu.
Differential Phase Shift Keying for High Efficiency Optical Communications“, In Advanced Technologies for High-Speed Optical Communications, edited by L. Xu. Chap. 3, pp. 65-108. Kerala, India: Research Signpost (2007)

van Howe, J., J. H. Lee, S. Zhou, F. Wise, C. Xu, S. Ramachandran, S. Ghalmi, and M. F. Yan.
Demonstration of Soliton Self-Frequency Shift Below 1300 nm in Higher-Order Mode, Solid Silica-Based Fiber“, Optics Letters 32(4), 340-342 (2007)  >>> Link

van Howe, J., J. H. Lee, and C. Xu.
Generation of 3.5 nJ Femtosecond Pulses from a Continuous-Wave Laser without Mode Locking“, Optics Letters 32(11), 1408-1410 (2007)  >>> Link

Reichenbach, K. L., and C. Xu.
Numerical Analysis of Light Propagation in Image Fibers or Coherent Fiber Bundles“, Optics Express 15(5), 2151-2165 (2007)  >>> Link

Lee, J. H., J. van Howe, C. Xu, S. Ramachandran, S. Ghalmi, and M. F. Yan.
Generation of Femtosecond Pulses at 1350 Nm by Cerenkov Radiation in Higher-Order-Mode Fiber“, Optics Letters 32(9), 1053-1055 (2007)  >>> Link


Zhu, G. H., L. Mollenauer, and C. Xu.
Experimental Demonstration of Postnonlinearity Compensation in a Multispan DPSK Transmission“, IEEE Photonics Technology Letters 18(9-12), 1007-1009 (2006)  >>> Link

van Howe, J., G. H. Zhu, and C. Xu.
Compensation of Self-Phase Modulation in Fiber-Based Chirped-Pulse Amplification Systems“, Optics Letters 31(11), 1756-1758 (2006)  >>> Link

van Howe, J., and C. Xu.
Ultrafast Optical Signal Processing Based Upon Space-Time Dualities“, Journal of Lightwave Technology 24(7), 2649-2662 (2006)  >>> Link

Okawachi, Y., J. E. Sharping, C. Xu, and A. L. Gaeta.
Large Tunable Optical Delays Via Self-Phase Modulation and Dispersion“, Optics Express 14(25), 12022-12027 (2006)  >>> Link

Durst, M. E., G. H. Zhu, and C. Xu.
Simultaneous Spatial and Temporal Focusing for Axial Scanning“, Optics Express 14(25), 12243-12254 (2006)  >>> Link


Zhu, G. H., J. van Howe, M. Durst, W. Zipfel, and C. Xu.
Simultaneous Spatial and Temporal Focusing of Femtosecond Pulses“, Optics Express 13(6), 2153-2159 (2005)  >>> Link

van Howe, J., and C. Xu.
Ultrafast Optical Delay Line by Use of a Time-Prism Pair“, Optics Letters 30(1), 99-101 (2005)  >>> Link

van Howe, J., and C. Xu.
Ultrafast Optical Delay Line Using Soliton Propagation between a Time-Prism Pair“, Optics Express 13(4), 1138-1143 (2005)  >>> Link

Sharping, J. E., Y. Okawachi, J. van Howe, C. Xu, Y. Wang, A. E. Willner, and A. L. Gaeta.
All-Optical, Wavelength and Bandwidth Preserving, Pulse Delay Based on Parametric Wavelength Conversion and Dispersion“, Optics Express 13(20), 7872-7877 (2005)  >>> Link

Reichenbach, K. L., and C. Xu.
The Effects of Randomly Occurring Nonuniformities on Propagation in Photonic Crystal Fibers“, Optics Express 13(8), 2799-2807 (2005)  >>> Link

Reichenbach, K. L., and C. Xu.
Independent Core Propagation in Two-Core Photonic Crystal Fibers Resulting from Structural Nonuniformities“, Optics Express 13(25), 10336-10348 (2005)  >>> Link

Hansryd, J., J. van Howe, and C. Xu.
Experimental Demonstration of Nonlinear Phase Jitter Compensation in DPSK Modulated Fiber Links“, IEEE Photonics Technology Letters 17(1), 232-234 (2005)  >>> Link


Xu, C., X. Liu, and X. Wei.
Differential Phase-Shift Keying for High Spectral Efficiency Optical Transmissions“, IEEE Journal of Selected Topics in Quantum Electronics 10(2), 281-293 (2004) >>> Link

van Howe, J., J. Hansryd, and C. Xu.
Multiwavelength Pulse Generator Using Time-Lens Compression“, Optics Letters 29(13), 1470-1472 (2004)  >>> Link

Liu, X., C. Xu, and X. Wei.
Performance Analysis of Time-Polarization Multiplexed 40-Gb/S RZ-DPSK DWDM Transmission“, IEEE Photonics Technology Letters 16(1), 302-304 (2004)  >>> Link

Hansryd, J., J. van Howe, and C. Xu.
Nonlinear Crosstalk and Compensation in QDPASK Optical Communication Systems“, IEEE Photonics Technology Letters 16(8), 1975-1977 (2004)  >>> Link


Xu, C., X. Liu, L. F. Mollenauer, and X. Wei.
Comparison of Return-to-Zero Differential Phase-Shift Keying and On-Off Keying in Long-Haul Dispersion Managed Transmission“, IEEE Photonics Technology Letters 15(4), 617-619 (2003)  >>> Link

Xu, C., and X. Liu.
Photonic Analog-to-Digital Converter Using Soliton Self-Frequency Shift and Interleaving Spectral Filters“, Optics Letters 28(12), 986-988 (2003) >>> Link

Wei, X., X. Liu, and C. Xu.
Numerical Simulation of the Spm Penalty in a 10-Gb/S Rz-Dpsk System“, IEEE Photonics Technology Letters 15(11), 1636-1638 (2003)  >>> Link

McKinstrie, C. J., C. Xie, and C. Xu.
Effects of Cross-Phase Modulation on Phase Jitter in Soliton Systems with Constant Dispersion“, Optics Letters 28(8), 604-606 (2003)  >>> Link


Ye, Q. H., C. Xu, X. Liu, W. H. Knox, M. F. Yan, R. S. Windeler, and B. Eggleton.
Dispersion Measurement of Tapered Air-Silica Microstructure Fiber by White-Light Interferometry“, Applied Optics 41(22), 4467-4470 (2002)  >>> Link

Xu, C., C. J. Xie, and L. Mollenauer.
Analysis of Soliton Collisions in a Wavelength-Division-Multiplexed Dispersion-Managed Soliton Transmission System“, Optics Letters 27(15), 1303-1305 (2002)  >>> Link

Xu, C., J. M. Roth, W. H. Knox, and K. Bergman.
Ultra-Sensitive Autocorrelation of 1.5 Mu M Light with Single Photon Counting Silicon Avalanche Photodiode“, Electronics Letters 38(2), 86-88 (2002)  >>> Link

Xu, C., L. Mollenauer, and X. Liu.
Compensation of Nonlinear Self-Phase Modulation with Phase Modulators“, Electronics Letters 38(24), 1578-1579 (2002)  >>> Link

Xu, C., and X. Liu.
Postnonlinearity Compensation with Data-Driven Phase Modulators in Phase-Shift Keying Transmission“, Optics Letters 27(18), 1619-1621 (2002)  >>> Link

Roth, J. M., T. E. Murphy, and C. Xu.
Ultrasensitive and High-Dynamic-Range Two-Photon Absorption in a Gaas Photomultiplier Tube“, Optics Letters 27(23), 2076-2078 (2002)  >>> Link

Liu, X., X. Wei, A. H. Gnauck, C. Xu, and L. K. Wickham.
Suppression of Intrachannel Four-Wave-Mixing-Induced Ghost Pulses in High-Speed Transmissions by Phase Inversion between Adjacent Marker Blocks“, Optics Letters 27(13), 1177-1179 (2002)  >>> Link


Xu, C.
Cross-Sections of Fluorescent Molecules in Multiphoton Microscopy“, In Confocal and Two-Photon Microscopy: Foundations, Applications and Advances, edited by A. Diaspro. Chap. 4, pp. 75-100. New York: Wiley-Liss (2001)

Xu, C.
Two-Photon Laser Scanning Microscopy for Characterization of Integrated Circuits and Optoelectronics“, In Confocal and Two-Photon Microscopy: Foundations, Applications and Advances, edited by A. Diaspro. Chap. 26, pp. 539-554. New York: Wiley-Liss (2001)

Liu, X., C. Xu, W. H. Knox, J. K. Chandalia, B. J. Eggleton, S. G. Kosinski, and R. S. Windeler.
Soliton Self-Frequency Shift in a Short Tapered Air-Silica Microstructure Fiber“, Optics Letters 26(6), 358-360 (2001) >>>Link

Chandalia, J. K., B. J. Eggleton, R. S. Windeler, S. G. Kosinski, X. Liu, and C. Xu.
Adiabatic Coupling in Tapered Air-Silica Microstructured Optical Fiber,” IEEE Photonics Technology Letters 13(1), 52-54 (2001) >>> Link


Xu, C., L. M. F. Chirovsky, W. S. Hobson, J. Lopata, W. H. Knox, J. E. Cunningham, W. Y. Jan, and L. A. D’Asaro.
Two-Photon Photocurrent Imaging of Vertical Cavity Surface Emitting Lasers“, Applied Physics Letters 76(12), 1510-1512 (2000) >>> Link



Xu, C., and W. Denk.
Comparison of One- and Two-Photon Optical Beam-Induced Current Imaging” Journal of Applied Physics 86(4), 2226-2231 (1999)  >>> Link

Xu, C.
Two-Photon Cross Sections of Indicators” In Imaging Living Cells, edited by R. Yuste, F. Lanni and A. Konnerth. Chap. 19, pp. New York: Cold Spring Harbor Laboratory Press (1999)

Kawata, Y., C. Xu, and W. Denk.
Feasibility of Molecular-Resolution Fluorescence near-Field Microscopy Using Multi-Photon Absorption and Field Enhancement near a Sharp Tip” Journal of Applied Physics 85(3), 1294-1301 (1999)  >>> Link


Albota, M. A., C. Xu, and W. W. Webb.
Two-Photon Fluorescence Excitation Cross Sections of Biomolecular Probes from 690 to 960 nm“, Applied Optics 37(31), 7352-7356 (1998)  >>> Link

Albota, M., D. Beljonne, J. L. Bredas, J. E. Ehrlich, J. Y. Fu, A. A. Heikal, S. E. Hess, T. Kogej, M. D. Levin, S. R. Marder, D. McCord-Maughon, J. W. Perry, H. Rockel, M. Rumi, C. Subramaniam, W. W. Webb, X. L. Wu, and C. Xu.
Design of Organic Molecules with Large Two-Photon Absorption Cross Sections” Science 281(5383), 1653-1656 (1998)  >>> Link


Xu, C., and W.W. Webb.
Multiphoton Excitation of Molecular Fluorophores and Nonlinear Laser Microscopy” In Topics in Fluorescence Spectroscopy, Volume 5, edited by J.R. Lakowicz. Chap. 11, pp. 471-540. New York: Plenum Press (1997)

Xu, C., J. B. Shear, and W. W. Webb.
Hyper-Rayleigh and Hyper-Raman Scattering Background of Liquid Water in Two-Photon Excited Fluorescence Detection” Analytical Chemistry 69(7), 1285-1287 (1997)  >>> Link

Xu, C., and W. Denk.
Two-Photon Optical Beam Induced Current Imaging through the Backside of Integrated Circuits” Applied Physics Letters 71(18), 2578-2580 (1997)  >>> Link

Shear, J. B., C. Xu, and W. W. Webb.
Multiphoton-Excited Visible Emission by Serotonin Solutions“, Photochemistry and Photobiology 65(6), 931-936 (1997)  >>> Link

Guild, J. B., C. Xu, and W. W. Webb.
Measurement of Group Delay Dispersion of High Numerical Aperture Objective Lenses Using Two-Photon Excited Fluorescence” Applied Optics 36(1), 397-401 (1997) >>> Link


C XuW ZipfelJ B ShearR M Williams, and W W Webb
“Multiphoton fluorescence excitation: new spectral windows for biological nonlinear microscopy”, PNAS,. >>>   Link

Xu, C., R.M. Williams, W. Zipfel, and W.W. Webb.
Multiphoton Excitation Cross-Sections of Molecular Fluorophores“, Bioimaging 4(3), 198-207 (1996) >>> Link

Xu, C., and W. W. Webb.
Measurement of Two-Photon Excitation Cross Sections of Molecular Fluorophores with Data from 690 to 1050 Nm“, Journal of the Optical Society of America B-Optical Physics 13(3), 481-491 (1996) >>> Link


Xu, C., J. Guild, W. W. Webb, and W. Denk.
Determination of Absolute 2-Photon Excitation Cross-Sections by in-Situ 2nd-Order Autocorrelation“, Optics Letters 20(23), 2372-2374 (1995) >>> Link

Mertz, J., C. Xu, and W. W. Webb.
Single-Molecule Detection by Two-Photon-Excited Fluorescence“, Optics Letters 20(24), 2532-2534 (1995) >>> Link