Optical detection of terahertz radiation by using nonlinear parametric upconversion

• Abstract

• Optics Letters, Vol. 32, Issue 22, pp. 3248-3250 (November 2007)
• M. Jalal Khan, Jerry C. Chen, Sumanth Kaushik

Femtosecond fluorescence upconversion setup with broadband detection in the ultraviolet

• Abstract

• Optics Letters, Vol. 32, Issue 24, pp. 3555-3557 (December 2007)
• A. Cannizzo, O. Bräm, G. Zgrablic, A. Tortschanoff, A. Ajdarzadeh Oskouei, F. van Mourik, M. Chergui

Tunable, high-repetition-rate, femtosecond pulse generation in the ultraviolet

• Abstract

• Optics Letters, Vol. 33, Issue 4, pp. 345-347 (February 2008)
• M. Ghotbi, A. Esteban-Martin, M. Ebrahim-Zadeh

Upconversion fiber-optic confocal microscopy under near-infrared pumping

• Abstract

• Optics Letters, Vol. 33, Issue 5, pp. 425-427 (March 2008)
• Do-Hyun Kim, Jin U. Kang, Ilko K. Ilev

Efficient and low-noise single-photon detection in 1550 nm communication band by frequency upconversion in periodically poled LiNbO₃ waveguides

• Abstract

• Optics Letters, Vol. 33, Issue 7, pp. 639-641 (April 2008)
• H. Kamada, M. Asobe, T. Honjo, H. Takesue, Y. Tokura, Y. Nishida, O. Tadanaga, H. Miyazawa

Enhanced green upconversion emission of Er³⁺ through energy transfer by Dy³⁺ under 800 nm femtosecond-laser excitation

• Abstract

• Optics Letters, Vol. 33, Issue 7, pp. 693-695 (April 2008)
• Ai-Hua Li, Qiang Lü, Zhi-Ren Zheng, Liang Sun, Wen-Zhi Wu, Wei-Long Liu, Heng-Zhi Chen, Yan-Qiang Yang, Tian-Quan Lü

Ultraviolet upconversion emissions of Gd³⁺

• Abstract

• Optics Letters, Vol. 33, Issue 8, pp. 857-859 (April 2008)
• Chunyan Cao, Weiping Qin, Jisen Zhang, Yan Wang, Peifen Zhu, Guodong Wei, Guofeng Wang, Ryongjin Kim, Lili Wang

Two-photon-excited luminescence in a Tb³⁺-doped lithium niobate crystal pumped by a near-infrared femtosecond laser

• Abstract

• Optics Letters, Vol. 33, Issue 9, pp. 1014-1016 (May 2008)
• Ai-Hua Li, Zhi-Ren Zheng, Qiang Lü, Liang Sun, Wen-Zhi Wu, Wei-Long Liu, Yan-Qiang Yang, Tian-Quan Lü

Continuous-wave, single-frequency, solid-state blue source for the 425–489 nm spectral range

• Abstract

• Optics Letters, Vol. 33, Issue 11, pp. 1228-1230 (June 2008)
• G. K. Samanta, M. Ebrahim-Zadeh

Photochromism induced by infrared two-photon absorption

• Abstract

• Optics Letters, Vol. 33, Issue 15, pp. 1687-1689 (August 2008)
• Mitsunori Saito, Yoshinori Takahashi

Ultraviolet upconversion fluorescence from ⁶D_J of Gd³⁺ induced by 980 nm excitation

• Abstract

• Optics Letters, Vol. 33, Issue 19, pp. 2167-2169 (October 2008)
• Weiping Qin, Chunyan Cao, Lili Wang, Jisen Zhang, Daisheng Zhang, Kezhi Zheng, Yan Wang, Guodong Wei, Guofeng Wang, Peifen Zhu, Ryongjin Kim

Time-resolved single-photon detection by femtosecond upconversion

• Abstract

• Optics Letters, Vol. 33, Issue 19, pp. 2257-2259 (October 2008)
• Onur Kuzucu, Franco N. C. Wong, Sunao Kurimura, Sergey Tovstonog

Visible photon-avalanche upconversion in Ho³⁺ singly doped β−Na(Y_1.5Na_0.5)F₆ under 980 nm excitation

• Abstract

• Optics Letters, Vol. 33, Issue 22, pp. 2653-2655 (November 2008)
• Xiangfu Wang, Siguo Xiao, Yanyan Bu, Xiaoliang Yang, J. W. Ding

Optical detection of terahertz using nonlinear parametric upconversion

• Abstract

• Optics Letters, Vol. 33, Issue 23, pp. 2725-2727 (December 2008)
• M. Jalal Khan, Jerry C. Chen, Sumanth Kaushik

Three-photon-excited upconversion luminescence of niobium ions doped silicate glass by a femtosecond laser irradiation

• Abstract
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• Optics Express, Vol. 16, Issue 9, pp. 6502-6506 (April 2008)
• Huidan Zeng, Juan Song, Danping Chen, Shuanglong Yuan, Xiongwei Jiang, Ya Cheng, Yunxia Yang, Guorong Chen

Lamb-dip-locked quantum cascade laser for comb-referenced IR absolute frequency measurements

• Abstract
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• Optics Express, Vol. 16, Issue 15, pp. 11637-11646 (July 2008)
• S. Borri, S. Bartalini, I. Galli, P. Cancio, G. Giusfredi, D. Mazzotti, A. Castrillo, L. Gianfrani, P. De Natale

Non-collinear sum-frequency generation of femtosecond pulses in a micro-structured β-BaB₂O₄ crystal

• Abstract
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• Optics Express, Vol. 16, Issue 22, pp. 18109-18117 (October 2008)
• Carolina Romero, Javier R. Vázquez de Aldana, Cruz Méndez, Luis Roso

Intense few-cycle light pulses in the deep ultraviolet

• Abstract
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• Optics Express, Vol. 16, Issue 23, pp. 18956-18963 (November 2008)
• U. Graf, M. Fieß, M. Schultze, R. Kienberger, F. Krausz, E. Goulielmakis

Growth, processing, and optical properties of epitaxial Er₂O₃ on silicon

• Abstract
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• Optics Express, Vol. 16, Issue 24, pp. 19649-19666 (November 2008)
• C. P. Michael, H. B. Yuen, V. A. Sabnis, T. J. Johnson, R. Sewell, R. Smith, A. Jamora, A. Clark, S. Semans, P. B. Atanackovic, O. Painter

Harmonic holography: a new holographic principle

• Abstract

• Applied Optics, Vol. 47, Issue 4, pp. A103-A110 (February 2008)
• Ye Pu, Martin Centurion, Demetri Psaltis