Extended ultrahigh-Q-cavity diode laser.

نویسندگان

Zhenda Xie

Wei Liang

Anatoliy A Savchenkov

Jinkang Lim

Jan Burkhart

Mickey McDonald

Tanya Zelevinsky

Vladimir S Ilchenko

Andrey B Matsko

Lute Maleki

Chee Wei Wong

چکیده

We report on a study of a 698 nm extended cavity semiconductor laser with intracavity narrowband optical feedback from a whispering gallery mode resonator. This laser comprises an ultrahigh-Q (>10(10)) resonator supporting stimulated Rayleigh scattering, a diffraction grating wavelength preselector, and a reflective semiconductor amplifier. Single longitudinal mode lasing is characterized with sub-kilohertz linewidth and a 9 nm coarse tuning range. The laser has a potential application for integration with the 1S0-3P0 strontium transition to create compact precision atomic clocks.

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