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J. van Howe and C. Xu, "Ultrafast optical signal processing based upon space-time dualities," J. of Lightwave Tech., Vol. 24, No. 7, pp. 2649-2662, 2006 [pdf]
G. Zhu, L. Mollenauer and C. Xu, "Experimental demonstration of postnonlinearity compensation in a multispan DPSK transmission," IEEE Photon. Technol. Lett., Vol. 18, No. 9, pp. 1007-1009, 2006 [pdf]
J. Hansryd, J. van Howe and C. Xu, "Experimental demonstration of nonlinear phase jitter compensation in DPSK modulated fiber links," IEEE Photon. Technol. Lett., Vol. 17, No. 1, pp. 232-234, 2005 [pdf]
C. Xu, X. Liu and X. Wei, "Modulation formats for high spectral efficiency fiber optic communications," IEEE J. of Select Topics in Quantum Electron., Vol. 10, No. 2, pp. 281-293, 2004 (invited review). [pdf]
J. van Howe, J. Hansryd and C. Xu, "Multiwavelength pulse generator using time-lens compression," Opt. Lett., Vol. 29, No. 13, pp. 1470-1472, 2004 [pdf]
J. Hansryd , J. Van Howe, and C. Xu, "Nonlinear crosstalk and compensation in QDPASK communication systems," IEEE Photon. Technol. Lett., Vol. 16, No. 8, pp. 1975-1977, 2004 [pdf]
X. Liu, C. Xu and X. Wei, "Performance analysis of time/polarization multiplexed 40-Gb/s RZ-DPSK DWDM transmission," IEEE Photon. Technol. Lett., Vol. 16, No. 1, pp. 302-304, 2004 [pdf]
C. Xu and X. Liu, "Photonic analog-to-digital converter using soliton self-frequency shift and interleaving spectral filters," Opt. Lett., Vol. 28, No. 12, pp. 986-988, 2003 [pdf]
C. Xu, X. Liu, L. Mollenauer and X. Wei, "Comparison of phase shift keying and on-off-keying in long haul dispersion managed transmission," IEEE Photon. Technol. Lett., Vol. 15, No. 4, pp. 617-619, 2003 [pdf]
X. Wei, X. Liu, and C. Xu, "Numerical simulation of the SPM penalty in a 10-Gb/s RZ-DPSK system," IEEE Photon. Technol. Lett., Vol. 15, No. 11, pp. 1636-1638, 2003 [pdf]
C. J. McKinstrie, C. Xie and C. Xu, "Effects of cross-phase modulation on phase jitter in soliton systems with constant dispersion," Opt. Lett., Vol. 28, No. 8, pp. 604-606, 2003 [pdf]
C. Xu and X. Liu, "Post nonlinearity compensation with data driven phase modulator in phase shift keying system," Opt. Lett., Vol. 27, No. 18, pp. 1619-1621, 2002 [pdf]
C. Xu, C. Xie and L. Mollenauer, "Soliton collisions in a wavelength-division-multiplexed dispersion managed soliton transmission system," Opt. Lett., Vol. 27, No. 15, pp. 1303-1305, 2002 [pdf]
X. Liu, X. Wei, A. Gnauck, C. Xu and L. K. Wickham, "Suppression of ghost pulse generation resulting from intra-channel four-wave-mixing in high-speed transmission by phase inversion between adjacent marker blocks," Opt. Lett., Vol. 27, No. 13, pp. 1177-1179, 2002 [pdf]
C. Xu, W. Denk, G. Lenz and J. Shmulovich, Integrated high speed optical demultiplexer, US Patent 6,226,112.
M. E. Durst, G. Zhu and C. Xu, "Simultaneous spatial and temporal focusing in nonlinear microscopy," Opt. Comm., Vol. 281, Iss. 7, pp. 1796-1805, 2008 [pdf]
M. E. Durst, G. Zhu and C. Xu, "Simultaneous spatial and temporal focusing for axial scanning," Opt. Exp., Vol. 14, No. 25, pp. 12243-12254, 2006 [pdf]
G. Zhu, J. van Howe, M. Durst, W. Zipfel, and C. Xu, "Simultaneous spatial and temporal focusing of femtosecond pulses," Opt. Exp., Vol. 13, No. 6, pp. 2153-2159, 2005 [pdf]
C. Xu, "Two-photon optical beam induced current imaging of ICs and optoelectronics in Confocal and Two-photon Microscopy," (Ed. Alberto Diaspro) Chapter 26, 2002
C. Xu, "Two-photon absorption cross section of fluorophores, in Confocal and Two-photon Microscopy," (Ed. Alberto Diaspro) Chapter 4, 2002
C. Xu, 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," Appl. Phys. Lett., Vol. 76, No. 12, pp. 1510-1512, 2000 [pdf] [abstract]
C. Xu, and W. Denk, "Near infrared two- and one-photon optical beam induced current imaging through the backside of integrated circuits," J. Appl. Phys., Vol. 86, No. 4, pp. 2226-2231, 1999 [pdf] [abstract]
C. Xu, "Two-photon cross sections of indicators, In Imaging living cells," (Eds, Yuste, R., Lanni, F., and Konnerth, A.) Chapter 19, 1999
Y. Kawata, C. Xu, and W. Denk, "Feasibility of molecular-resolution fluorescence near-field microscopy using multi-photon absorption and field enhancement near a sharp tip," J. Appl. Phys. Vol. 85, No. 3 pp. 1294-1301, 1999 [pdf] [abstract]
C. Xu, and W. W. Webb, "Multiphoton excitation of molecular fluorophores and nonlinear laser microscopy," In Topics in fluorescence spectroscopy, Vol. 5 (Ed, Lakowicz, J. R.), pp. 471-540, 1997
C. Xu, and W. Denk, "Two-photon optical beam induced current imaging through the backside of integrated circuit," Appl. Phys. Lett., Vol. 71, No. 18, pp. 2578-2580, 1997 [pdf] [abstract]
C. Xu, W. Zipfel, J. B. Shear, R. M. Williams and W. W. Webb, "Multiphoton fluorescence excitation: new spectral windows for biological nonlinear microscopy," Proc. Nat. Acad. Sci. USA, Vol. 93, pp. 10763-10768, 1996 [pdf]
C. Xu, and W. W. Webb, "Measurement of two-photon excitation cross-sections of molecular fluorophores with data from 690 nm to 1050 nm," J. Opt. Soc. Am. B, Vol. 13, No. 3, pp. 481-491, 1996 [pdf]
J. Mertz, C. Xu and W. W. Webb, "Single molecule detection by two-photon excited fluorescence," Opt. Lett., Vol. 20, No. 24, pp. 2532-2534, 1995 [pdf]
C. Xu and W. W. Webb, Multiphoton laser microscopy, US Patent 6,166,385.
C. Xu and W. Denk, Two-photon optical beam induced current imaging through the backside of integrated circuit, US Patent 6,124,719.
J. H. Lee, J. van Howe, C. Xu and X. Liu, "Soliton Self-Frequency Shift: Experimental Demonstrations and Applications," J. Sel. Topics in Quantum Elec., Vol. 14, No. 3, pp. 713-723, 2008 [pdf]
J. van Howe, J. H. Lee and C. Xu, "Generation of 3.5 nJ femtosecond pulses from a continuous-wave laser without mode locking," Opt. Lett., Vol. 32, No. 11, pp. 1408-1410, 2007 [pdf]
J. H. Lee, 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," Opt. Lett., Vol. 32, No. 9, pp. 1053-1055, 2007 [pdf]
K. L. Reichenbach and C. Xu, "Numerical analysis of light propagation in image fibers or coherent fiber bundles," Opt. Exp., Vol. 15, No. 5, pp. 2151-2165, 2007 [pdf]
G. Zhu, J. Edinberg and C. Xu, "Nonlinear distortion free fiber-based chirped pulse amplification with self-phase modulation up to 2π," Opt. Exp., Vol.15, No. 5, pp. 2530-2534, 2007 [pdf]
J. van Howe, 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," Opt. Lett., Vol. 32, No. 4, pp. 340-342, 2007 [pdf]
Y. Okawachi, J. E. Sharping, C. Xu, A. L. Gaeta, "Large tunable optical delays via self-phase modulation and dispersion," Opt. Exp., Vol. 14, No. 25, pp. 12022-12027, 2006 [pdf]
J. van Howe and C. Xu, "Ultrafast optical signal processing based upon space-time dualities," J. of Lightwave Tech., Vol. 24, No. 7, pp. 2649-2662, 2006 [pdf]
J. van Howe, G. Zhu and C. Xu, "Compensation of self-phase modulation in fiber-based chirped-pulse amplification systems," Opt. Lett., Vol. 31, No. 11, pp. 1756-1758, 2006 [pdf]
K. L. Reichenbach and C. Xu, "Independent core propagation in two-core photonic crystal fibers resulting from structural nonuniformities," Opt. Exp., Vol. 13, No. 25, pp. 10336-10348, 2005 [pdf]
J. E. Sharping, 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," Opt. Exp., Vol. 13, No. 20, pp. 7872-7877, 2005 [pdf]
K. L. Reichenbach and C. Xu, "The effects of randomly occurring nonuniformities on propagation in photonic crystal fibers," Opt. Exp., Vol. 13, No. 8, pp. 2799-2807, 2005 [pdf]
J. van Howe and C. Xu, "Ultrafast optical delay line using soliton propagation between a time-prism pair," Opt. Exp., Vol. 13, No. 4, pp. 1138-1143, 2005 [pdf]
J. van Howe and C. Xu, "Ultrafast optical delay line using a time-prism pair," Opt. Lett., Vol. 30, No. 1, pp. 99-101, 2005 [pdf]
J. van Howe, J. Hansryd and C. Xu, "Multiwavelength pulse generator using time-lens compression," Opt. Lett., Vol. 29, No. 13, pp. 1470-1472, 2004 [pdf]
C. Xu and X. Liu, "Photonic analog-to-digital converter using soliton self-frequency shift and interleaving spectral filters," Opt. Lett., Vol. 28, No. 12, pp. 986-988, 2003 [pdf]
J. M. Roth, T. E. Murphy and C. Xu, "Ultra-sensitive, high dynamic range two-photon absorption in a GaAs photomultiplier tube," Opt. Lett., Vol. 27, No. 23, pp. 2076-2078, 2002 [pdf]
C. Xu, L. Mollenauer and X. Liu, "Compensation of Nonlinear Self-Phase Modulation with Phase Modulators," Electron. Lett., Vol. 38, No. 24, pp. 1578-1579, 2002 [pdf]
C. Xu, J. M. Roth, W. H. Knox and K. Bergman, "Ultra-sensitive autocorrelation of 1.5 mm light with a photon-counting silicon avalanche diode," Electron. Lett., Vol. 38, No. 2, pp. 86-88, 2002 [pdf]
Q. Ye, C. Xu, X. Liu and W. Knox, "Dispersion Measurement of Tapered Air-Silica Microstructure Fibers by White-Light Interferometry," App. Opt., Vol. 41, No. 22, pp. 4467-4470, 2002 [pdf]
J. K. Chandalia, B. J. Eggleton, R. S. Windler, S. G. Kosinski, X. Liu, and C. Xu, "Adiabatic coupling in tapered air-silica microstructured optical fiber," IEEE Photon. Tech. Lett., Vol. 13, No. 1, pp. 52-54, 2001 [pdf]
X. Liu, C. Xu, W. H. Knox, J. K. Chandalia, B. J. Eggleton, S. G. Kosinski and R. S. Windler, "Soliton self-frequency shift in a short tapered air-silica microstructure fiber," Opt. Lett., Vol. 26, No. 6, pp. 358-360, 2001 [pdf]
C. Xu, J. B. Shear and W. W. Webb, "Hyper-Rayleigh and hyper-Raman scattering background of liquid water in two-photon excited fluorescence detection," Anal. Chem., Vol. 69, No. 7, pp. 1285-1287, 1997 [pdf]
C. Xu, J. Guild, W. W. Webb and W. Denk, "Determination of absolute two-photon excitation cross-sections by in situ second-order autocorrelation," Opt. Lett., Vol. 20, No. 23, pp. 2372-2374, 1995 [pdf]
C. Xu and W. Knox, Multiphoton photoconducting switches, US Patent 6,400,165.
J. K. Chandalia, B. J. Eggleton, R. S. Windler, S. G. Kosinski, X. Liu and C. Xu, Process for fabricating tapered microstructured fiber system and resultant system, US Patent 6,658,183.
See Professor Xu's full list of publications