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Stabilization of photonic microwave generation in vertical-cavity surface-emitting lasers with optical injection and feedback

Abstract: The effect of optical feedback on the stability and linewidth of a photonic microwave generated in an optically injected single-mode vertical-cavity surface-emitting laser has been investigated in both cases of single feedback and double feedback. The stability of the photonic microwave is quantified by measuring the microwave frequency range using the long sweep time of the radio frequency spectrum analyzer. The effect of the feedback phase on the side peaks in the single feedback has also been studied. The experimental results show that both single feedback and double feedback can reduce the linewidth of the photonic microwave and improve its stabilization. A narrow linewidth photonic microwave spectrum with suppressed side peaks has been achieved in a single feedback configuration at the optimal feedback phase condition. The simulated results using the spin-flip model confirm that side peaks suppression in the single optical feedback configuration is sensitive to the feedback phase. For nonoptimal feedback phase conditions, single optical feedback can generate many side peaks which are related to external cavity. These side peaks can be suppressed by introducing the second feedback.

 Fuente: Journal of Lightwave Technology, Vol. 36, Iss. 19, Pp. 4347-4353, (2018)

Editorial: OSA e IEEE

 Fecha de publicación: 01/10/2018

Nº de páginas: 8

Tipo de publicación: Artículo de Revista

 DOI: 10.1109/JLT.2018.2815581

ISSN: 0733-8724,1558-2213

Proyecto español: TEC2015-65212-C3-1-P

Url de la publicación: https://doi.org/10.1109/JLT.2018.2815581

Autores/as

JI, SONGKUN

XUE, CHENPENG

LI, HONGQIANG

HONG, YANHUA