Demonstration of Corrugation Pitch Modulated (CPM) DFB Lasers Based on Surface Grating and Oxide Aperture

Pengfei Zhang,Can Liu,Minwen Xiang,Xiang Ma,Gongyuan Zhao,Bao Tang,Qiaoyin Lu,John F. Donegan,Weihua Guo

Demonstration of Corrugation Pitch Modulated (CPM) DFB Lasers Based on Surface Grating and Oxide Aperture

2020

Pengfei Zhang
Can Liu
Minwen Xiang
Xiang Ma
Gongyuan Zhao
Bao Tang
Qiaoyin Lu
John F. Donegan
Weihua Guo

We present regrowth-free CPM-DFB lasers based on the first-order surface-grating and oxide-aperture. The fabricated device has achieved stable single-mode operation from 10°C to 50°C with the threshold ~12.5mA and SMSR>42dB.

Keywords:

oxide aperture
Optoelectronics
Phase (waves)
Laser
Refractive index
surface grating
Materials science

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