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Design of Slotted Single-Mode Lasers Suitable for Photonic Integration

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4 Author(s)
Qiaoyin Lu ; Sch. of Phys., Trinity Coll. Dublin, Dublin, Ireland ; Wei-Hua Guo ; Byrne, D. ; Donegan, J.F.

A single-mode laser structure suitable for photonic integration is presented. The laser can be fabricated by standard photolithography without any regrowth steps. Through optimization, a threshold current as low as 13 mA and a sidemode suppression ratio (SMSR) up to 47 dB have been predicted for a 400-??m-long laser. A high yield up to 90% is also predicted with the requirement that the SMSR is higher than 40 dB at an injection current of 100 mA.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 11 )

Date of Publication:

June1, 2010

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