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Proceedings Paper

Optical amplification by two-wave mixing in lithium niobate waveguides
Author(s): Hong Xi Zhang; Chan Hin Kam; Yan Zhou; Yuen Chuen Chan; Yee Loy Lam
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Paper Abstract

Photorefractive Fe:LiNbO3 planar waveguides have been fabricated by proton exchange method using Fe:LiNbO3 as substrate and benzoic acid as exchange medium. The waveguide has a much larger refractive index increment than a Ti diffused one. Through end-face coupling, a pump beam and a signal beam were injected into the waveguide and the optical amplification properties of the waveguide have been investigated experimentally. The results showed that a hundred fold amplification gain could be obtained in a wide range of grating periods and an amplification gain of 180 was achieved easily. This scheme has potential applications in optical signal processing at not very high incident intensity.

Paper Details

Date Published: 20 September 1999
PDF: 7 pages
Proc. SPIE 3801, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V, (20 September 1999); doi: 10.1117/12.363945
Show Author Affiliations
Hong Xi Zhang, Nanyang Technological Univ. (Singapore)
Chan Hin Kam, Nanyang Technological Univ. (Singapore)
Yan Zhou, Nanyang Technological Univ. (Singapore)
Yuen Chuen Chan, Nanyang Technological Univ. (Singapore)
Yee Loy Lam, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 3801:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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