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

10 Citations (Scopus)


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
Issue number5
Publication statusPublished - 15 Feb 2008
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


Dive into the research topics of 'Tunable dual-wavelength laser constructed by silicon micromachining'. Together they form a unique fingerprint.

Cite this