Whispering-gallery-mode-resonator-based ultranarrow linewidth external-cavity semiconductor laser

Whispering-gallery-mode-resonator-based ultranarrow linewidth external-cavity semiconductor laser

We demonstrate a miniature self-injection locked distributed-feedback laser using resonant optical feedback from a high-Q crystalline whispering-gallery-mode resonator. The linewidth reduction factor is greater than 10,000, with resultant instantaneous linewidth of less than 200 Hz. The minimal valu...

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Veröffentlicht in:Optics letters 2010-08, Vol.35 (16), p.2822-2824
Hauptverfasser: LIANG, W, ILCHENKO, V. S, SAVCHENKOV, A. A, MATSKO, A. B, SEIDEL, D, MALEKI, L
Format: Artikel
Sprache:eng
Schlagworte:
Electrodes
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Light
Optics
Physics
Semiconductor lasers
laser diodes
Semiconductors
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Zusammenfassung:We demonstrate a miniature self-injection locked distributed-feedback laser using resonant optical feedback from a high-Q crystalline whispering-gallery-mode resonator. The linewidth reduction factor is greater than 10,000, with resultant instantaneous linewidth of less than 200 Hz. The minimal value of the Allan deviation for the laser-frequency stability is 3 x 10(-12) at the integration time of 20 micros. The laser possesses excellent spectral purity and good long-term stability.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.35.002822