Chinese Optics Letters, 2011, 9 (3): 031403, Published Online: Mar. 4, 2011
Wavelength stabilization of a 980-nm semiconductor laser module stabilized with high-power uncooled dual FBG 
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半导体激光器 双FBG 波长漂移 非致冷 140.3425 Laser stabilization 140.3480 Lasers, diode-pumped 140.3570 Lasers, single-mode
Abstract
An optimized dual fiber Bragg grating (FBG) is proposed for 980-nm semiconductor lasers without thermoelectric coolers to restrict temperature-induced wavelength shift. The mathematical model of the temperature-induced wavelength shift of the laser with the dual FBG is built using the external cavity feedback rate equations. The external cavity parameters are optimized for achieving the stability mode-locking laser output. The spectral characteristics of the dual FBG stabilized laser are measured to range from 0 to 70 oC. The side mode suppression ratio (SMSR) is more than 45 dB, while the full-width at half-maximum (FWHM) is less than 1 nm. The peak wavelength shift is less than 0.1 nm. The dual FBG wavelength shift proportional coefficient is between 0.1086 and 0.4342.
Yize Huang, Yi Li, Haifang Wang, Xiaojing Yu, Hu Zhang, Wei Zhang, Huiqun Zhu, Sheng Zhou, Ruoxi Sun, Yuming Zhang. Wavelength stabilization of a 980-nm semiconductor laser module stabilized with high-power uncooled dual FBG[J]. Chinese Optics Letters, 2011, 9(3): 031403.
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