Observation and characterization of 87Rb resonances for frequency-locking purpose of a 1.53-um DFB laser

Marc Breton; Pierre Tremblay; Normand Cyr; Cyril Julien; Michel Tetu; Bernard Villeneuve

doi:10.1117/12.143667

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30 April 1993 Observation and characterization of ⁸⁷Rb resonances for frequency-locking purpose of a 1.53-μm DFB laser

Marc Breton, Pierre Tremblay, Normand Cyr, Cyril Julien, Michel Tetu, Bernard Villeneuve

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Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143667
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

We report the progress of our work on the observation and the characterization of ⁸⁷Rb vapor resonances in order to frequency-lock a 1529 nm DFB semiconductor laser. We present energy levels diagrams corresponding to the 5P_3/2 yields 4D_5/2 and 4D_3/2 transitions of rubidium atoms, respectively at 1529.4 and 1529.3 nm (196.02 and 196.04 THz). Basic emission characteristics of our DFB laser are also given. We then show the absorption profiles of a probe laser emitting around 1529 nm while the ⁸⁷Rb vapor is optically pumped at 780.2 nm (D₂ line at 384.2 THz) using a 30 mW AlGaAs laser. We finally present, for this experiment, the dependence of the probe laser absorption resonance depth and linewidth on the pump power.

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Marc Breton, Pierre Tremblay, Normand Cyr, Cyril Julien, Michel Tetu, and Bernard Villeneuve "Observation and characterization of ⁸⁷Rb resonances for frequency-locking purpose of a 1.53-μm DFB laser", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143667

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