A miniature tunable coupled-cavity laser constructed by micromachining technology

H. Cai; A. Q. Liu; Xuming Zhang; J. Tamil; D. Y. Tang; Q. X. Zhang; Chao Lu

doi:10.1063/1.2831912

A miniature tunable coupled-cavity laser constructed by micromachining technology

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

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

Abstract

This letter presents a miniature tunable coupled-cavity laser by integrating a Fabry-Ṕrot chip, a gain chip and a deep-etched parabolic mirror using micromachining technology. The mirror is to actively adjust the gap between chips, enabling the optimal mode selection. Single-mode operation with a tuning range of 16.55 nm and a side-mode-suppression ratio of >25.1 dB is demonstrated. The device overcomes phase mismatching and instability problems encountered in conventional fixed-gap coupled-cavity lasers.

Original language	English
Article number	031105
Journal	Applied Physics Letters
Volume	92
Issue number	3
DOIs	https://doi.org/10.1063/1.2831912
Publication status	Published - 1 Feb 2008

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2831912

http://hdl.handle.net/10397/28855

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AU - Lu, Chao

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AB - This letter presents a miniature tunable coupled-cavity laser by integrating a Fabry-Ṕrot chip, a gain chip and a deep-etched parabolic mirror using micromachining technology. The mirror is to actively adjust the gap between chips, enabling the optimal mode selection. Single-mode operation with a tuning range of 16.55 nm and a side-mode-suppression ratio of >25.1 dB is demonstrated. The device overcomes phase mismatching and instability problems encountered in conventional fixed-gap coupled-cavity lasers.

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A miniature tunable coupled-cavity laser constructed by micromachining technology

Abstract

ASJC Scopus subject areas

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