25 February 2010 VCSEL's frequency stabilization of an external cavity diode laser: countermeasures against atmospheric temperature variations
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Abstract
We introduced the vertical cavity surface emitting laser (VCSEL) as the laser diode in tour external cavity system. Because VCSELs are now commercially available, and the External cavity diode laser (ECDL) systems using them are expected to improve their frequency stability, we have replaced a Fabry-Perot type laser diode with a VCSEL, and examined its oscillation-frequency stability. Therefore we were able to expect that the VCSELs with our double optical feedback system have good oscillation frequency stability. The obtained VCSEL's oscillation-frequency stability, i.e., the square root of Allan variance σ was 4×10-10, at an averaging time of τ=1 sec.
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Mutsuki Motojima, Mutsuki Motojima, Kohei Doi, Kohei Doi, Takashi Sato, Takashi Sato, Masashi Ohkawa, Masashi Ohkawa, Takamasa Suzuki, Takamasa Suzuki, } "VCSEL's frequency stabilization of an external cavity diode laser: countermeasures against atmospheric temperature variations", Proc. SPIE 7597, Physics and Simulation of Optoelectronic Devices XVIII, 75972A (25 February 2010); doi: 10.1117/12.840609; https://doi.org/10.1117/12.840609
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