Quantum Dot Passively Mode-Locked Lasers: Relation Between Intracavity Pulse Evolution and Mode Locking Performances

被引：2

作者：

Xu, Tianhong ^{[1
]}

Montrosset, Ivo ^{[1
]}

机构：

[1] Politecn Torino, Dipartimento Elettron & Telecomunicazioni, I-10129 Turin, Italy

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2013年 / 49卷 / 01期

关键词：

Mode-locked lasers; quantum dot lasers; saturable absorber; traveling-wave modeling; TRAVELING-WAVE MODEL; SATURATION; SIMULATION; REGIMES; DESIGN;

D O I：

10.1109/JQE.2012.2229967

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a systematic investigation of the passively mode-locked (ML) quantum dot lasers using a Finite Difference Traveling Wave model. Device structural parameters, such as the saturable absorber (SA) length, the total cavity length, and the facets reflectivity, have been varied. The obtained results indicate a strict relation between the ML performances and the intracavity evolution of the forward/backward travelling ML pulse. We demonstrate that shorter pulses can be achieved in devices with higher intra-SA pulse energy thanks to the enhanced absorption saturation.

引用

页码：65 / 71

页数：7

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