12 January 2018 Design of bent waveguide semiconductor lasers using nonlinear equivalent chirp
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Abstract
Reconstruction equivalent chirp (REC) technique is widely used in the design and fabrication of semiconductor laser arrays and tunable lasers with low cost and high wavelength accuracy. Bent waveguide is a promising method to suppress the zeroth order resonance, which is an intrinsic problem in REC technique. However, it may introduce basic grating chirp and deteriorate the single longitudinal mode (SLM) property of the laser. A nonlinear equivalent chirp pattern is proposed in this paper to compensate the grating chirp and improve the SLM property. It will benefit the realization of low-cost Distributed feedback (DFB) semiconductor laser arrays with accurate lasing wavelength.
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Lianyan Li, Yuechun Shi, Yunshan Zhang, Xiangfei Chen, "Design of bent waveguide semiconductor lasers using nonlinear equivalent chirp ", Proc. SPIE 10622, 2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 106220I (12 January 2018); doi: 10.1117/12.2295240; https://doi.org/10.1117/12.2295240
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