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Conferences > ACPC > 2019 > T3D > T3D.4
  • Asia Communications and Photonics Conference (ACPC) 2019
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper T3D.4

Short Cavity Single-Mode DBR Lasers Based on HighOrder Slotted Surface-Gratings Using Narrow Slot-Width

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

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Abstract

We present re-growth free DBR lasers based on high-order slotted surface-gratings using narrow slot widths ~100 nm through standard photolithography. The fabricated single mode laser worked with a short cavity length of 230 μm. The threshold is about 27 mA with side-mode suppression-ratio (SMSR) > 40 dB and slope-efficiency ~0.1 mW/mA.

© 2019 The Author(s)

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