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Conferences > OFC > 2022 > M3D > M3D.5

Regrowth-Free 1.3μm Directly Modulated DBR Lasers Based on Inverted Trapezoid High-Order Surface-Gratings

Wei Sun, Shuangzhi Wei, Qiaoyin Lu, John F. Donegan, and Weihua Guo

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Abstract

We demonstrate 1.3 μm regrowth-free directly-modulated DBR lasers based on Inverted-Trapezoid high-order slotted surface-gratings. The laser fabricated by standard photolithography exhibited a threshold current ~10 mA, SMSR ~50 dB, 3-dB bandwidth ~14 GHz, and RIN<-140dB/Hz.

© 2022 The Author(s)

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