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Double Optical Resonance.

R. M. Whitley

Published Jan 1, 1977• 2 citations
OpenAlex

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Double-resonance Excited-state Optical-pumping Spectra of Rubidium Atoms and its Application for Frequency Stabilization of 1.5 μm Semiconductor Laser

Junmin Wang

We demonstrate the spectra of 87Rb 5S1/2-5P3/2-4D3/2(4D5/2) transitions by utilizing the double-resonance optical-pumping(DROP) and optical-optical double-resonance(OODR) techniques,respectively.The DROP spectrum,compared with the traditional OODR spectrum,shows a much better signal-to-noise ratio(SNR) and narrower linewidth.When frequency of 1 529 nm external-cavity diode laser is stabilized to the DROP spectrum of 87Rb 5P3/2(F′=3)-4D3/2(F″=3) transition,the preliminary result of residual frequency jitter after being locked is～0.65 MHz within 300 s.This result is clearly much better than that in case of frequency stabilized by using OODR scheme(～1.8 MHz within 300 s).

Acta Sinica Quantum Optica•Jan 1, 2011•0 citations

Double-resonance optical-pumping spectra of rubidium 5S 1/2 - 5P 3/2 - 4D 3/2 transitions and frequency stabilization of 1.5-micrometer laser

Jing Gao, 王杰 Wang Jie, Baodong Yang +2 more

We demonstrate the spectra of 87Rb 5S1/2 - 5P3/2 - 4D3/2 transitions by utilizing the double-resonance optical-pumping (DROP) and optical-optical double-resonance (OODR) techniques, respectively. The DROP spectrum, compared with the traditional OODR spectrum, show a much better signal-to-noise ratio (SNR). Paying special attention to the influence of alignment of lasers where the coupling and probe beams are counter-propagation and co-propagation on DROP spectrum, so as to further narrow the spectral width by means of electromagnetically induced transparency (EIT). When -the frequency of 1.5μm fiber-pigtailed butterfly-type distributed-feedback (DFB) diode laser is stabilized to the DROP spectrum of 87Rb 5P3/2 - 4D3/2 transition, the preliminary result of residual frequency jitter after stabilization is ~ ±1.3 MHz within 60 s.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•Oct 8, 2010•3 citations

Frequency stabilization of a 13 μm laser diode using double resonance optical pumping in the 5P_3/2-6S_1/2 transition of Rb atoms

Han Seb Moon

The frequency stabilization of a laser diode in the 1.3 microm region using double resonance optical pumping (DROP) spectrum in the 5P(3/2)-6S(1/2) transition of (87)Rb atoms is demonstrated. The signal-to-noise ratio of the DROP spectrum is approximately ten times higher than that of the previous optical-optical double resonance spectrum. The spectral linewidth of the DROP measures 8.4 MHz. When the frequency of a 1.367 microm laser diode is stabilized to the DROP spectrum, the frequency stability is 9 x 10(-12) after 100 s. Also, the wavelength of the frequency-stabilized laser locked to the 5P(3/2)-6S(1/2) transition using a wavelength meter is measured.

Applied Optics•Mar 7, 2008•9 citations
We demonstrate the spectra of 87Rb 5S1/2-5P3/2-4D3/2(4D5/2) transitions by utilizing the double-resonance optical-pumping(DROP) and optical-optical double-resonance(OODR) techniques,respectively.The DROP spectrum,compared with the traditional OODR spectrum,shows a much better signal-to-noise ratio(SNR) and narrower linewidth.When frequency of 1 529 nm external-cavity diode laser is stabilized to the DROP spectrum of 87Rb 5P3/2(F′=3)-4D3/2(F″=3) transition,the preliminary result of residual frequency jitter after being locked is～0.65 MHz within 300 s.This result is clearly much better than that in case of frequency stabilized by using OODR scheme(～1.8 MHz within 300 s).
We demonstrate the spectra of 87Rb 5S1/2 - 5P3/2 - 4D3/2 transitions by utilizing the double-resonance optical-pumping (DROP) and optical-optical double-resonance (OODR) techniques, respectively. The DROP spectrum, compared with the traditional OODR spectrum, show a much better signal-to-noise ratio (SNR). Paying special attention to the influence of alignment of lasers where the coupling and probe beams are counter-propagation and co-propagation on DROP spectrum, so as to further narrow the spectral width by means of electromagnetically induced transparency (EIT). When -the frequency of 1.5μm fiber-pigtailed butterfly-type distributed-feedback (DFB) diode laser is stabilized to the DROP spectrum of 87Rb 5P3/2 - 4D3/2 transition, the preliminary result of residual frequency jitter after stabilization is ~ ±1.3 MHz within 60 s.
The frequency stabilization of a laser diode in the 1.3 microm region using double resonance optical pumping (DROP) spectrum in the 5P(3/2)-6S(1/2) transition of (87)Rb atoms is demonstrated. The signal-to-noise ratio of the DROP spectrum is approximately ten times higher than that of the previous optical-optical double resonance spectrum. The spectral linewidth of the DROP measures 8.4 MHz. When the frequency of a 1.367 microm laser diode is stabilized to the DROP spectrum, the frequency stability is 9 x 10(-12) after 100 s. Also, the wavelength of the frequency-stabilized laser locked to the 5P(3/2)-6S(1/2) transition using a wavelength meter is measured.