Tunable dual-wavelength laser constructed by silicon micromachining

H. Cai, A. Q. Liu, Xuming Zhang, J. Tamil, D. Y. Tang, J. Wu, Q. X. Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

9 Citations (Scopus)

Abstract

This paper presents a tunable dual-wavelength laser by integration of a semiconductor gain chip with silicon-micromachined grating and mirrors onto a silicon substrate. The wavelength tuning is demonstrated by rotating the micromirror. With one wavelength being tuned and the other fixed, the laser output presents a tunable spectral separation from -28.38 to +24.18 nm. The laser output reaches 2.9 mW with far-field divergences of 37° and 30° in the vertical and horizontal directions, respectively. Besides, line broadening is observed with the reduction of the spectral separation.
Original languageEnglish
Article number051113
JournalApplied Physics Letters
Volume92
Issue number5
DOIs
Publication statusPublished - 15 Feb 2008
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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