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Pulse-amplitude modulation of optical injection-locked quantum-dot lasers
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Paper Abstract

This work theoretically investigates the four-level pulse-amplitude modulation characteristics of quantum dot lasers subject to optical injection. The rate equation model takes into account carrier dynamics in the carrier reservoir, in the excited state, and in the ground state, as well as photon dynamics and phase dynamics of the electric field. It is found that the optical injection significantly improves the eye diagram quality through suppressing the relaxation oscillation, while the extinction ratio is reduced as well. In addition, both the adiabatic chirp and the transient chirp of the signal are substantially suppressed.

Paper Details

Date Published: 23 February 2018
PDF: 6 pages
Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 1052606 (23 February 2018); doi: 10.1117/12.2291338
Show Author Affiliations
Yue-Guang Zhou, ShanghaiTech Univ. (China)
Cheng Wang, ShanghaiTech Univ. (China)


Published in SPIE Proceedings Vol. 10526:
Physics and Simulation of Optoelectronic Devices XXVI
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

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