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Proceedings Paper

Second and third harmonic generation in quasi-phase-matched annealed proton-exchanged lithium niobate waveguides
Author(s): Xianfeng Chen; YuXing Xia; Shengwu Xie; Yuping Chen; Yingli Chen
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Paper Abstract

Waveguide quasi-phase-matched second-harmonic generation devices are being studied as a promising candidate for realization of a compact short wavelength coherent light source. In this paper, we report quasi-phase-matched second harmonic generation (SHG) in proton-exchanged (PE) lithium niobate waveguide with the fundamental wavelength of 1300nm. The domain inversion was obtained by Ti-indiffusion method near Cuire temperature. The waveguide was fabricated by proton-exchange in the melting benzonic acid, followed by annealing in the air. SHG efficiency as high as 22 percent was observed in the 5mm long periodically pulsed PE lithium niobate waveguide. The SHG conversion efficiency as a function of the fundamental wavelength was measured which exhibits good agreement with the theoretical study. We also found the third harmonic generation from the QPM PE waveguide caused by the cascading nonlinear optical procedures including SHG and sum frequency generation.

Paper Details

Date Published: 5 October 2000
PDF: 6 pages
Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); doi: 10.1117/12.401752
Show Author Affiliations
Xianfeng Chen, Shanghai Jiaotong Univ. and Natl. Lab. of Local Fiber-Optical Comm. (China)
YuXing Xia, Shanghai Jiaotong Univ. and Natl. Lab. of Local Fiber-Optical Comm. (China)
Shengwu Xie, Shanghai Jiaotong Univ. and Natl. Lab. of Local Fiber-Optical Comm. (China)
Yuping Chen, Shanghai Jiaotong Univ. and Natl. Lab. of Local Fiber-Optical Comm. (China)
Yingli Chen, Shanghai Jiaotong Univ. and Natl. Lab. of Local Fiber-Optical Comm. (China)


Published in SPIE Proceedings Vol. 4223:
Instruments for Optics and Optoelectronic Inspection and Control
Guang Hui Wei; Sheng Liu, Editor(s)

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