Analysis of phase locking in diffraction-coupled arrays of semiconductor lasers with gain/index coupling

Author

Khurgin, Jacob B. ; Vurgaftman, Igor ; Meyer, Jerry R.

Author_Institution

Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA

Volume

41

Issue

8

fYear

2005

Firstpage

1065

Lastpage

1074

Abstract

We develop an analytical model of the phase-locking mechanism for diffraction-coupled arrays of semiconductor lasers. While the phase-locking range is found to be limited by nonuniformities between the individual lasers, increasing the gain-index coupling can expand this range. Detailed computer simulations confirm these predictions. Recommendations are made for using arrays of surface-emitting lasers to improve the stability of phase locking.

Keywords

laser cavity resonators; laser mode locking; laser stability; light diffraction; semiconductor laser arrays; surface emitting lasers; diffraction-coupled arrays; gain-index coupling; laser arrays; phase locking; phase locking stability; semiconductor lasers; surface-emitting lasers; Analytical models; Computer simulation; Diffraction; Laser mode locking; Laser stability; Optical arrays; Optical coupling; Phased arrays; Semiconductor laser arrays; Surface emitting lasers; High power lasers; semiconductor laser arrays (SLAs);

fLanguage

English

Journal_Title

Quantum Electronics, IEEE Journal of

Publisher

ieee

ISSN

0018-9197

Type

jour

DOI

10.1109/JQE.2005.851247

Filename

1463270