Subharmonic anti-phase dynamics in coupled mode-locked semiconductor lasers

被引：4

作者：

Sivaramakrishnan, Sudarshan ^{[1
]}

Winful, Herbert G. ^{[1
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, 1301 Beal Ave, Ann Arbor, MI 48109 USA

来源：

OPTICS LETTERS | 2017年 / 42卷 / 23期

关键词：

OPTICAL CLOCK DIVISION; ARRAYS; CHAOS; SYNCHRONIZATION; LOCKING;

D O I：

10.1364/OL.42.004905

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that coupled mode-locked semiconductor lasers can operate in a subharmonic regime in which the two lasers pulsate in an anti-phase manner at one-half the fundamental mode-locking frequency of the solitary lasers. In the subharmonic mode, each pulse has almost twice the energy carried by the isolated lasers in the fundamental mode-locked regime and is also significantly shorter in duration. Depending on the unsaturated gain and coupling strength, the lasers can also exhibit bistability, perfect synchronization, and delayed synchronization, as well as three-halves and five-halves harmonic mode locking. The observed behaviors are robust and persist in the presence of noise. (C) 2017 Optical Society of America

引用

页码：4905 / 4908

页数：4

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