Tunable X-Band Optoelectronic Oscillators Based on External-Cavity Semiconductor Lasers

Laser diodes with optical feedback can exhibit periodic intensity oscillations at or near the relaxation-oscillation frequency. We demonstrate optoelectronic oscillators based on external-cavity semiconductor lasers in a periodic dynamical regime tunable over the entire X-band. Moreover, unlike stan...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2017-06, Vol.53 (3), p.1-6
Main Authors: Chien-Yuan Chang, Wishon, Michael J., Daeyoung Choi, Junliang Dong, Merghem, Kamel, Ramdane, Abderrahim, Lelarge, Francois, Martinez, Anthony, Locquet, Alexandre, Citrin, D. S.
Format: Article
Language:English
Subjects:
Injection current
Masers
Microwave oscillators
microwave photonics
microwave source
Nonlinear optics
Nonlinear Sciences
Optical feedback
Optoelectronic oscillator
Optoelectronics
Oscillators
Photodiodes
Radio frequency
Semiconductor lasers
semiconductor lasers dynamics
Superhigh frequencies
Timing jitter
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Summary:Laser diodes with optical feedback can exhibit periodic intensity oscillations at or near the relaxation-oscillation frequency. We demonstrate optoelectronic oscillators based on external-cavity semiconductor lasers in a periodic dynamical regime tunable over the entire X-band. Moreover, unlike standard optoelectronic oscillators, we need not employ the time-dependent optical intensity incident on a photodiode to generate the microwave signal, but rather have the option of generating the electrical microwave signal directly as a voltage V(t) at the laser-diode injection terminals under constant current operation; no photodiode need be involved, thus circumventing optical-toelectrical conversion. We achieve a timing jitter of 10 ps and a quality factor of ≳ 2 × 10 5 across the entire X-band, that ranges from 6.79 to 11.48 GHz. Tuning is achieved by varying the injection current J.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2017.2682702