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	Variable wavelength conversion based on fan-out grating in QPM-LN - art no 67820F
	Wang, Yiju ; Huang, Yuanqing ; Weng, Zihua ; Yan, Huangping ; Ye, Ruifang ; Zhu, Jiangong ; Wang YJ(王一菊) ; Huang YQ(黄元庆) ; Weng ZH(翁梓华) ; Yan HP(颜黄苹)
	2007
关键词	LINBO3 WAVE-GUIDES DIFFERENCE-FREQUENCY-GENERATION CASCADED 2ND-ORDER PROCESSES LITHIUM-NIOBATE 2ND-HARMONIC GENERATION OPTICAL PULSES CHANNEL AMPLIFICATION MODULATION DEVICE
英文摘要	Conference Name:Conference on Optoelectronic Materials and Devices II. Conference Address: Wuhan, PEOPLES R CHINA. Time:NOV 02-05, 2007.; In this paper, we demonstrated for the first time variable 1.5 mu m wavelength conversion through cascaded second order nonlinear processes "SHG+DFG" by fan-out grating in lithium niobate waveguide. We fabricated the waveguide by annealed proton exchange in periodically poled LiNbO3 (PPLN). The device used in this experiment is 4 cm long, has a QPM period from 14.8 mu m to 15.2 mu m, waveguide width of 12 mu m, proton exchange depth of 0.7 mu m, and was annealed for 32h at 350 degrees C. After proton exchange in pure benzoic acid using a SiO2 mask, the substrate was annealed in an oxygen atmosphere. The wavelength of signal light was set at 1551.3 nm. The wavelengths of tunable pump lights we used in experiment were 1543.2 and 1556.2 nm, and the corresponding grating periods were 14.87 mu m and 15.03 mu m, respectively. The temperature was set at 100.5 degrees C to avoid photo refractive damage and to match the QPM peaks to the pump wavelengths. The conversion efficiency was about 10dB to be expected with the pump power 175mW in a similar device with a slightly different QPM period and operated at 125 degrees C.
语种	英语
出处	http://dx.doi.org/10.1117/12.743522
出版者	P SOC PHOTO-OPT INS
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/86055]
专题	物理技术－会议论文
推荐引用方式 GB/T 7714	Wang, Yiju,Huang, Yuanqing,Weng, Zihua,et al. Variable wavelength conversion based on fan-out grating in QPM-LN - art no 67820F. 2007-01-01.

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