Open AccessThree-coherent-output narrow-linewidth and tunable single frequency 1x2 multi-mode-interferometer laser diode
Author(s) -
Hua Yang,
Mingqi Yang,
Padraic E. Morrissey,
Dan Lu,
Bi Wei Pan,
Lixia Zhao,
Brian Corbett,
Frank Peters
Publication year - 2016
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.24.005846
Subject(s) - laser linewidth , optics , laser , interferometry , diode , materials science , semiconductor laser theory , tunable laser , optoelectronics , laser diode , physics
A 1x2 multi-mode-interferometer (MMI) laser diode was successfully designed and fabricated, which demonstrated three coherent outputs of tunable single frequency emission with more than 30dB side mode suppression ratio (SMSR), a tuning range of 25nm in C and L band, as well as 750 kHz linewidth. This 1x2 MMI laser could be expanded to more advanced configurations such as 1xN or MxN (M≥1, N>2) MMI lasers to achieve a multiple coherent output source. In addition, these lasers do not require material regrowth and high resolution gratings which can significantly increase the yield and reduce the cost.