Multi-section electro-absorption modulated laser based on identical epitaxial layer

Yuanhao Zhang; Can Liu; Fan Yang; Guojiong Li; Qiaoyin Lu; Chaoyuan Jin; Weihua Guo

doi:10.1117/12.2656200

16 December 2022 Multi-section electro-absorption modulated laser based on identical epitaxial layer

Yuanhao Zhang, Can Liu, Fan Yang, Guojiong Li, Qiaoyin Lu, Chaoyuan Jin, Weihua Guo

Proceedings Volume 12501, Seventeenth National Conference on Laser Technology and Optoelectronics; 125010O (2022) https://doi.org/10.1117/12.2656200
Event: Seventeenth National Conference on Laser Technology and Optoelectronics, 2022, Shanghai, China

Abstract

Integrating active distributed feedback reflector monolithically to replace HR coating may help reduce the cost of chip fabrication. We present the design and fabrication of a SOA integrated electro-absorption DFB laser based on identical epitaxial layer with HR coating replaced by ADR. The optimized laser structure has a 100-μm ADR, a 160-μm DFB, a 100-μm EAM and a 250-μm SOA. The fabricated device has a threshold current around 40 mA with good single mode stability. With injection current from 40 mA to 100 mA in DFB region, the SMSR is all over 50 dB. The extinction ratio is over -20 dB at the maximum EA bias voltage of 4V. The 10Gb/s eye diagrams for BTB configuration achieve a dynamic extinction over 10 dB and SNR over 7 dB.

Citation Download Citation

Yuanhao Zhang, Can Liu, Fan Yang, Guojiong Li, Qiaoyin Lu, Chaoyuan Jin, and Weihua Guo "Multi-section electro-absorption modulated laser based on identical epitaxial layer", Proc. SPIE 12501, Seventeenth National Conference on Laser Technology and Optoelectronics, 125010O (16 December 2022); https://doi.org/10.1117/12.2656200

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