Open AccessLow threshold and high speed short cavity distributed feedback hybrid silicon lasers
Author(s) -
Chong Zhang,
Sudharsanan Srinivasan,
Yongqiang Tang,
Martijn J. R. Heck,
Michael Davenport,
John E. Bowers
Publication year - 2014
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.22.010202
Subject(s) - optics , materials science , laser , silicon , optoelectronics , diode , bandwidth (computing) , semiconductor laser theory , modulation (music) , hybrid silicon laser , distributed feedback laser , tunable laser , computer science , physics , telecommunications , acoustics
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.