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Mid-infrared generation by difference frequency generation of CW fiber laser

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4 Author(s)
Shin-Yi Shen ; Inst. of Photonics Technol., Nat. Tsing Hua Univ., Hsinchu, Taiwan ; Yu-Chieh Lin ; Kung, A.H. ; Ming-Hsien Chou

Periodically poled congruent lithium tantalite (PPCLT) and periodically poled congruent lithium niobate (PPCLN)-based quasi phase matched (QPM) difference frequency generation (DFG) conversion systems are developed for inclusion in a mid-IR spectrometer providing a wavelength tunable and efficient conversion solution. Using two continuous wave (CW) fiber lasers the conversion efficiency of DFG CLT chip is over 0.1%, while with an 8cm long DFG CLN chip is over 1%. This conversion is higher than any reported in the literature.

Published in:

Wireless and Optical Communications Conference (WOCC), 2012 21st Annual

Date of Conference:

19-21 April 2012

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