27 February 2015 Simple and compact tunable semiconductor lasers based on novel half-wave coupler
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Widely tunable semiconductor lasers based on a novel half-wave coupler are presented. They have been implemented in the form of half-wave coupled V-cavity and ring-FP cavities. By using the novel half-wave coupler, single-mode lasing with high side-mode-suppression-ratio is achieved. Single-electrode controlled wide-band wavelength tuning with Vernier effect is demonstrated. The full-band tuning of 50 channels with 100GHz spacing is realized by further employing temperature induced gain spectrum shift. The laser is packaged into a small-form-factor 9-pin box TOSA, and the electronic driver has been developed for the wavelength tuning and direct modulation. The advantages of compactness, fabrication simplicity, easy wavelength control and direct modulation allow the tunable lasers to be used in low-cost access and datacenter networks, as well as in portable devices for spectroscopic analysis.
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Jian-Jun He, Jian-Jun He, Xiaohai Xiong, Xiaohai Xiong, Jianjun Meng, Jianjun Meng, Lin Wu, Lin Wu, Sen Zhang, Sen Zhang, Xiaolu Liao, Xiaolu Liao, Li Zou, Li Zou, "Simple and compact tunable semiconductor lasers based on novel half-wave coupler", Proc. SPIE 9366, Smart Photonic and Optoelectronic Integrated Circuits XVII, 93660C (27 February 2015); doi: 10.1117/12.2085701; https://doi.org/10.1117/12.2085701

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