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Broad tunable photonic microwave generation based on period-one dynamics of optical injection vertical-cavity surface-emitting lasers
Author(s) -
Songkun Ji,
Yanhua Hong,
P.S. Spencer,
J. Benedikt,
Iwan Davies
Publication year - 2017
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.25.019863
Subject(s) - optics , microwave , laser , optoelectronics , materials science , photonics , semiconductor laser theory , signal (programming language) , injection locking , physics , quantum mechanics , computer science , programming language
Photonic microwave generation based on period-one dynamics of an optically injected VCSEL has been study experimentally. The results have shown that the frequency of the generated microwave signal can be broadly tunable through the adjustment of the injection power and the frequency detuning. Strong optical injection power and higher frequency detuning are favorable for obtaining a high frequency microwave signal. These results are similar to those found in systems based on distributed feedback lasers and quantum dot lasers. The variation of the microwave power at the fundamental frequency and the second-harmonic distortion have also been characterized.

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