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· Publications

. “Slow-light six-wave mixing at low light intensities”

H. Kang, G. Hernandez, and Y. Zhu, Phys. Rev. Lett. 93, 073601(2004).

· “Superluminal and slow light propagation in cold atoms”

H. Kang, G. Hernadez, and Y. Zhu, Phys. Rev. A 70, 011801 (R1-R4) (2004)

· “Steady-state population inversion via multiphoton electromagnetically induced transparency”

Y. Zhu, L. Wen, J. Saldana, and Y. Wu, JOSA B 21, 806(2004).

· “Electromagneticallin induced transparency in multilevel cascade scheme of cold rubidium atoms”

J. Wang, L. Kong, X. Tu, K. Jiang, K. Li, H. Xiong, Y. Zhu, and M. Zhan, Phys. Lett. A 328, 437(2004)

· “Observation of large Kerr nonlinearity at low light intensities”

H. Kang and Y. Zhu, Phys. Rev. Lett. 91, 93601 (2003).

· “Normal or anomalous dispersion and gain in a resonant coherent medium”

H. Kang, L. Wen and Y. Zhu, Phys. Rev. A 68, 063806 (2003).

· “Bichromatic Electromagneticallin induced transparency in cold rubidium atoms”

J. Wang, Y. Zhu, K. J. Jiang^, and M. S. Zhan, Phys. Rev. A 68, 063810 (2003).

“Efficient Hyper-Raman scattering in resonant coherent medium”
Y. Wu, L. Wen, and Y. Zhu, Opt. Lett. 28, 631 (2003)

“Large enhancement of four-wave mixing via EIT induced suppression of nonlinear photon absorptions”
Y. Wu, J. Saldana, and Y. Zhu, Phys. Rev. A 67, 013811(2003)

“Observations of absorptive photon switching and suppression of two-photon absorption in cold atoms”
M. Yan, E. Rickey, and Y. Zhu, J. of Modern Optics 49, 675-685 (2002)

“Suppression of two-photon absorption by quantum interference”

M. Yan, E. Rickey, and Y. Zhu, Phys. Rev. A 64, 043807-(1-4) (2001).

“Observation of absorptive photon switching by quantum interference”

M. Yan, E. Rickey, and Y. Zhu, Phys. Rev. A (Rapid Commun.) 64, 041801(R1-R4) (2001)

“Observation of doubly dressed states in cold atoms”

M. Yan, E. Rickey, and Y. Zhu, Phys. Rev. A 64, 013412-(1-6) (2001).

"Electromagnetically induced transparency in cold atoms”"

M. Yan, E. Rickey, and Y. Zhu, J. Opt. Soc. Am. B 18, 1057-1062 (2001).

“Nonlinear absorption by quantum interference in cold atoms”

M. Yan, E. Rickey, and Y. Zhu, Opt. Lett. 26, 548 (2001)

"Dark-hollow-beam guiding and splitting of a low-velocity atomic beam"

M. Yan, J. Yin, and Y. Zhu, JOSA B 17, 1817 (2000)

"Nonlinear excitation via quantum interference in a Doppler broadened Rb atomic system"

N. Mulchan, D. Ducreay, R. Pina, M. Yan, and Y. Zhu, JOSA B 17, 820-826 (2000)

"Feedback-measurement induced anticorrelation between in-loop photocurrent fluctuation and amplfier dark noise"
J. Yin, W. Gao, Y. Wang, Y. Zhu, and Y. Wang, Europhys. Lett. 49, 309-315(2000)

"Coherent population trapping and four-wave mixing via dark states in a Doppler-broadened open Rb system"
S. Wang, D. Ducreay, R. Pina, M. Yan, and Y. Zhu, Phys. Rev. A 61, 033805 (1-4)(2000)

"Suppression of photocurrent and intensity fluctuations in closed-loop light-emitting and laser diodes”
J. Yin, W. Gao, Y. Zhu, and Y. Wang, Phys. Lett. A 260, 195-202 (1999)

"LP01-mode output beam from a micro-sized hollow optical fiber: A simple theoretical model and its application in atom optics"
J. Yin and Y. Zhu, J. of Appl. Phys. 85, 2473-2481 (1999)

"Multi-level dark states in an inhomogeneously broadened atomic system"

Y. Zhu, S. Wang, and N. Mulchan, Phys. Rev. A 59, 4005-4011 (1999)

"Gravito-optical trap for cold atoms with doughnut-hollow-beam cooling"

J. Yin, Y. Zhu, and Y. Wang, Phys. Lett. 248, 309-318 (1998)

"Observation and discrimination of the mode patterns in a micron-sized hollow optical fiber and its synthetic measurement: far-field micro-imaging technique"

J. Yin, K. Kim, W. Shim, Y. Zhu, and W. Jhe, Opt. Eng. 37, 2277-2283 (1998)

"Dark-hollow-beam gravito-optical atom trap above an apex of a hollow optical fiber"

J. Yin and Y. Zhu, Optics Communications 52, 421-428 (1998)

"Doughtnut-beam-induced Sisyphus cooling in atomic guiding and collimation"

J. Yin and Y. Zhu, J. Opt. Soc. Am. B 15, 2235 (1998)

"Atom guiding and cooling in a dark hollow laser beam"

J. Yin, Y. Zhu, W. Jhe, and Y. Wang, Phys. Rev. A 58, 509 (1998)

"Fraunhofer and Fresnel field distributions from the LP01 mode in a micro-sized hollow optical fiber"
W. Wang, J. Yin, W. Gao, Y. Zhu, and Y. Wang, J. of Modern Optics, 45, 1899 (1998)

"Optical potential for atom guidance in a dark hollow laser beam"

J. Yin, W. Wang, Y. Zhu, Y. Wang, and W. Jhe, J. Opt. Soc. Am. B 15, 25 (1998)

"Evanescent light-wave atomic funnel: A tandem hollow-fiber, hollow-beam approach"

J. Yin, Y. Zhu, and Y. Wang, Phy. Rev. A 57, 1957 (1998)

"Coherent optical transient in a three-level atomic system"

Y. Zhu, J. Opt. Soc. Am. B 14, 2596 (1997)

"Light amplification mechanisms in a coherently coupled atomic system"

Y. Zhu, Phys. Rev. A 55, 4568 (1997)

"Effect of optical pumping and Raman scattering on the degenerate four wave mixing in rubidium atoms"
Y. Zhu, T. N. Wasserlauf, and P. Sanchez, Phy. Rev. A 55, 668 (1997)

"Sub-Doppler linewidth with electromagnetically induced transparency in rubidium atoms"

Y. Zhu, T. N. Wasserlauf, and P. Sanchez, Phy. Rev. A 54, 3653 (1996)

"Measurement of light amplification in coherently pumped rubidium atoms"

Y. Zhu, J. Lin, and P. Sanchez, Opt. Commun. 128, 254 (1996)

"Lasing without inversion in a V-type system: transient and steady-state analysis"
Y. Zhu, Phys. Rev. A 53, 2742 (1996)

"Sub-Doppler light amplification in a coherently pumped atomic system"

Y. Zhu and J. Lin, Phys. Rev. A 53, 1767 (1996)

"Inversionless lasing and photon statistics in a V-type atomic system"

Y. Zhu, A. I. Ruberia, and M. Xiao, Phys. Rev. A 53, 1065 (1996)

"Nearly degenrate four wave mixing with bichromatic laser fields in a Rb atomic system"

J. Lin, A. I. Ruberia, and Y. Zhu, Phys. Rev. A 52, 4882 (1995)

"Intensity characteristics of inversionless lasers from induced atomic coherence"

Y. Zhu, M. Xiao, and Y. Zhao, Phys. Rev. A 49, 4016 (1994).

"Cascade inversionless and inversion Lasers"

Y. Zhu, Optics Commun. 107, 499 (1994)

"Upconversion lasers without Population Inversion"

Y. Zhu, J. Opt. Soc. Am. B 11, 943 (1994)

"Comments on 'Lasing without inversion in a V system due to trapping of modified atomic states'"
Y. Zhu, and M. Xiao, Phys. Rev. A 49, 2203 (1994)

"Light amplification by coherence in a three-level Laser"

Y. Zhu, Opt. Commun. 105, 253 (1994)

"Amplitude squeezing and transition from lasing with inversion to lasing without inversion in a four-level laser" Y. Zhu and M. Xiao, Phys. Rev. A 48, 3895 (1993)

"Lasing without and with inversion in a closed four-level system"

Y. Zhu, Phys. Rev. A 47, 495 (1993)

"Inversionless laser from a closed multi-level system"

Y. Zhu, O. C. Mullins, and M. Xiao, Phys. Rev. A 47, 602 (1993)

"Lasing without inversion in a closed three-level system"

Y. Zhu, Phys. Rev. A (Rapid Communications) 45, R6149 (1992)

"Doppleron resonances and resonance fluorescence in a standing wave field"

G. S. Agarwal and Y. Zhu, Phys. Rev. A 46, 479 (1992)

"Temeperature dependence of fluorescence of crude oils and related compounds"

Y. Zhu and O. C. Mullins, Energy and Fuels 6, 545 (1992)

"Line splitting and modified atomic decay of atoms coupled with N quantized cavity modes"

Y. Zhu, Opt. Commun. 89, 217 (1992)

"The electronic absorption edge of petroleum"

O. C. Mullins, S. M. Kirtley and Y. Zhu, Applied Spectroscopy, 46, 1405 (1992)

"First observation of the Urbach tail in a multicomponent, organic system"

O. C. Mullins and Y. Zhu, Applied Spectroscopy, 46, 354 (1992)

"Emission spectrum of coherently driven three-level atoms"

Y. Zhu, Phys. Rev. A 43, 1502 (1991)

"Observation of linewidths narrowing due to coherent stabilization of quantum fluctuations "

Daniel J. Gauthier, Y. Zhu, and T. W. Mossberg, Phys. Rev. Lett. 66, 2460 (1991)

"Spectrum of radiation from two-level atoms under intense bichromatic excitation"

G. S. Agarwal, Y. Zhu, Daniel J. Gauthier, and T. W. Mossberg, J. Opt. Soc.Am. B 8, 1163 (1991)

"Observation of a two-photon gain feature in the strong probe gain/absorption spectrum of driven two-level atoms" Y. Zhu, Qilin Wu, S. Morin, and T. W. Mossberg, Phys. Rev. Lett. 65, 1200 (1990)

"Two-photon gain and lasing in strongly driven two-level atoms"

M. Lewenstein, Y. Zhu, and T. W. Mossberg, Phys. Rev. Lett. 64, 3131 (1990)

"Resonance fluorescence of two-level atoms under strong bichromatic excitation"

Y. Zhu, Q. Wu, A. Lezama, D. J. Gauthier, and T. W. Mossberg, Phys. Rev. A (Rapid Communication) 41, 6574 (1990)

"Multi-atom vacuum Rabi splitting as a feature of linear dispersion theory: analysis and experimental observations"
Y. Zhu, D. J. Gauthier, S. E. Morin, Q. Wu, H. J. Carmichael, and T. W. Mossberg, Phys. Rev. Lett. 64, 2499 (1990)

"Radiative emission of driven two-level atoms into the modes of an enclosing optical cavity: the transition from fluorescence to lasing."

A. Lezama, Y. Zhu, Manoj Kanspar, and T. W. Mossberg, Phys. Rev. A 41, 1576 (1990)

"Cavity-modified strong-field resonance fluorescence"

A. Lezama, Y. Zhu, S. Morin and T. W. Mossberg, Phys. Rev. A (Rapid Communications) 39, 2754 (1989)

"Effect of optical gain on the fluorescence of two-level atoms into the modes of an optical cavity"

Y. Zhu, A. Lezama, and T. W. Mossberg, Phys. Rev. A (Rapid Communication) 39, 2268 (1989)

"Multiphoton double ionization of Ba from 280 to 700 nm"

Y. Zhu, R.R. Jone, W. Sandner, T. F. Gallagher, P. Camus, P. Pillet and J. Boulmer, J. Phys. B At. Mol. Phys. 22, 585 (1989)

"Vacuum-field dressed-state pumping"

Y. Zhu, A. Lezama, T. W. Mossberg and M. Lewenstein, Phys. Rev. Lett. 61, 1946 (1988)

"Multiphoton double ionization of Barium"

R. R. Jones, Y. Zhu, U. Eichmann, and T. F. Gallagher, IEEE Transactions on Plasma Science, 16, 534 (1988)

"Multiphoton double ionization of Ba via Ba+"

U. Eichmann, Y. Zhu, and T. F. Gallagher, J. Phys. B: At. Mol. Phys. 20, 4461 (1987)

"Energy and angular distributions of autoionization electrons and channel interaction effects for the Sr 5pns J = 1 autoionizing series."

Y. Zhu, Emily Y. Xu, and T. F. Gallagher, Phys. Rev. A 36, 3751 (1987)

"Sr 5pnd J = 3 autoionizing series and interference of excitation due to bound-state perturbation" Emily Y. Xu, Y. Zhu, O. C. Mullins, and T. F. Gallagher, Phys. Rev. A 35, 1138 (1987)

"Sr 5p1/2ns1/2 and 5p3/2ns1/2 J = 1 autoionizing states"

E. Y. Xu, Y. Zhu, O. C. Mullins, and T. F. Gallagher, Phys. Rev. A 33, 2401 (1986)

"Channel Interaction of the three 6pnd J=3 autoionizing series in barium"

O. C. Mullins, Y. Zhu, Emily Y. Xu, and T. F. Gallagher, Phys. Rev. A 32, 2234 (1985)

"Determination of channel interaction in barium for five 5d7d perturbers: The 1D2, 3F2, 1P1, 3P1, 3S1, and 3P0 states." O. C. Mullins, Y. Zhu, and T. F. Gallagher, Phys. Rev. A 32, 243 (1985).

· MONOGRAPHS

“Absorptive Photon Switching by Quantum Interference”

M. Yan, E. G. Rickey, and Y. Zhu, in Frontiers in Quantum Physics Research, edited by F. Columbus and V. Krasnoholovets, P241-259, ISBN 1-59454-002-2, Nov Science Publishers, Inc, 2004.

“Generation of Dark Hollow Beams and Their Applications”

J. Yin, W. Gao, and Y. Zhu, Progress in Optics, Vol. 45, 66 (2003)

· "Turning off the vacuum with lasers",

D. J. Gauthier, Y. Zhu, and T. W. Mossberg, Physics News in 1991, 16, ( American Institute of Physics, New York, 1991)