Investigation on the thermal properties of volume Bragg grating in laser diodes with external cavities

Zhiyong Li; Rongqing Tan; Wei Huang; Qing Ye; Gaoce Han; Hui Li; Yijun Zheng

doi:10.1117/12.2245413

19 October 2016 Investigation on the thermal properties of volume Bragg grating in laser diodes with external cavities

Zhiyong Li, Rongqing Tan, Wei Huang, Qing Ye, Gaoce Han, Hui Li, Yijun Zheng

Proceedings Volume 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration; 101520G (2016) https://doi.org/10.1117/12.2245413
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Thermal control of the volume Bragg grating (VBG) in the LD with the external cavity is critical for the tuning of the wavelength and the narrowing of the bandwidth. Based on finite element theories, thermal properties of the VBG were researched under different conditions of LD illumining area, laser power, gratings’ working temperature and heat convection. Both the VBGs in the external cavity of LD bar and LD stack were considered in the experiments. The results show that higher working temperature of the VBG and adopting better heating convection cooling methods is beneficial to realize the uniformity of the VBG temperature distribution.

Citation Download Citation

Zhiyong Li, Rongqing Tan, Wei Huang, Qing Ye, Gaoce Han, Hui Li, and Yijun Zheng "Investigation on the thermal properties of volume Bragg grating in laser diodes with external cavities", Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520G (19 October 2016); https://doi.org/10.1117/12.2245413

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