Low threshold and high speed short cavity distributed feedback hybrid silicon lasers

In this paper we investigate reducing threshold and improving the efficiency and speed of distributed feedback hybrid silicon lasers. A low threshold current of 8.8 mA was achieved for a 200 μm cavity at 20 °C. A 3 dB bandwidth of 9.5 GHz as well as 12.5 Gb/s direct modulation of DFB laser diode was...

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Bibliographic Details
Published in:Optics express 2014-05, Vol.22 (9), p.10202-10209
Main Authors: Zhang, Chong, Srinivasan, Sudharsanan, Tang, Yongbo, Heck, Martijn J R, Davenport, Michael L, Bowers, John E
Format: Article
Language:English
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Summary:In this paper we investigate reducing threshold and improving the efficiency and speed of distributed feedback hybrid silicon lasers. A low threshold current of 8.8 mA was achieved for a 200 μm cavity at 20 °C. A 3 dB bandwidth of 9.5 GHz as well as 12.5 Gb/s direct modulation of DFB laser diode was achieved on the hybrid silicon platform for the first time.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.22.010202