Compact tunable kHz-linewidth semiconductor laser stabilized with a whispering-gallery mode microresonator

V. S. Ilchenko; E. Dale; W. Liang; J. Byrd; D. Eliyahu; A. A. Savchenkov; A. B. Matsko; D. Seidel; L. Maleki

doi:10.1117/12.895033

18 February 2011 Compact tunable kHz-linewidth semiconductor laser stabilized with a whispering-gallery mode microresonator

V. S. Ilchenko, E. Dale, W. Liang, J. Byrd, D. Eliyahu, A. A. Savchenkov, A. B. Matsko, D. Seidel, L. Maleki

Author Affiliations +

Proceedings Volume 7913, Laser Resonators and Beam Control XIII; 79131G (2011) https://doi.org/10.1117/12.895033
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

We report on the realization of a compact-package (44x27x14mm) narrow linewidth laser based on self-injection locking of a distributed feedback semiconductor diode laser to a high-Q whispering gallery mode resonator fabricated with electro-optic material. The packaged device operates at 1,550 nm and offers instantaneous spectral linewidth performance smaller than 1.8 kHz for 3 mW of output power. We are able to tune the laser frequency by applying voltage to the resonator. This suggest that the technology enables fabrication of ultra narrow linewidth semiconductor lasers in a broad wavelength range of 390 nm to 2,900 nm. The laser source in a compact footprint enables a multitude of sensing, monitoring, and metrology applications where high resolution and precision and absolute accuracy are required.

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V. S. Ilchenko, E. Dale, W. Liang, J. Byrd, D. Eliyahu, A. A. Savchenkov, A. B. Matsko, D. Seidel, and L. Maleki "Compact tunable kHz-linewidth semiconductor laser stabilized with a whispering-gallery mode microresonator", Proc. SPIE 7913, Laser Resonators and Beam Control XIII, 79131G (18 February 2011); https://doi.org/10.1117/12.895033

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