Enhanced optical frequency comb generation by pulsed gain-switching of optically injected semiconductor lasers

被引：32

作者：

Rosado, A. ^{[1
]}

Perez-Serrano, A. ^{[1
]}

Tijero, J. M. G. ^{[1
]}

Valle, A. ^{[2
]}

Pesquera, L. ^{[2
]}

Esquivias, I ^{[1
]}

机构：

[1] Univ Politecn Madrid, CEMDATIC ETSI Telecomun, E-28040 Madrid, Spain

[2] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 06期

关键词：

DIODE;

D O I：

10.1364/OE.27.009155

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the experimental generation of broad and flat optical frequency combs (OFC) in a 1550 nm laser diode using gain switching with pulsed electrical excitation together with optical injection. The combination of both techniques allows the generation of high-quality OFCs at a repetition frequency of 500 MHz, showing a low-noise optical spectrum with unprecedent features in terms of width (108 tones within 10 dB) and flatness (56 tones within 3 dB) in comparison with those previously reported for this modulation frequency. The influence of the injection conditions on the OFC quality is studied. Using these two techniques, it has been possible to reduce the separation between tones, generating high spectral performance OFCs with a repetition rate of 100 MHz. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：9155 / 9163

页数：9

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