Frequency Stability Measurement of Feedback Stabilized AlGaAs DH Laser

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  • Tsuchida Hidemi
    Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology
  • Sanpei Seiichi
    Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology
  • Ohtsu Motoichi
    Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology
  • Tako Toshiharu
    Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology

Bibliographic Information

Published
1980
DOI
  • 10.1143/jjap.19.l721
Publisher
The Japan Society of Applied Physics

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The frequency of a single longitudinal mode AlGaAs DH laser was stabilized at the resonant frequency of an external Fabry-Perot interferometer by controlling the temperature. The frequency stability was evaluated by using the square root of the Allan variance σ2 and the power spectral density. The following value was obtained: 2.1×10−9≤σ≤9.6×10−9 for 10ms<τ<500 s, where τ represents the integration time. The long-term frequency stability was improved for τ>10 s.

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