Tunable single-mode coupled-cavity laser in a standard InP photonics platform

W.D. Sacher, E. Kleijn, B.J.F. Taylor, H. Jayatilleka, L.M. Augustin, J.K.S. Poon

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
3 Downloads (Pure)

Abstract

We present a wavelength tunable, coupled-cavity laser in a standard indium phosphide multiproject wafer shuttle which did not support distributed feedback gratings. The single-mode operation was enabled by reflections from slots in the laser cavity. The wavelength of the laser emission was tunable over 20 nm near a wavelength of 1560 nm via the currents applied to each section of the laser. A maximum side-mode suppression ratio of 46 dB was observed. The delayed self-heterodyne spectrum of the laser showed a Voigt line shape, corresponding to optical linewidths of 3.7 MHz for the Lorentzian and 88 MHz for the Gaussian contributions.
Original languageEnglish
Pages (from-to)4364-4367
Number of pages4
JournalOptics Letters
Volume40
Issue number18
DOIs
Publication statusPublished - 2015

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