5 November 2010 Double-resonance optical-pumping spectra of rubidium 5S1/2 - 5P3/2 - 4D3/2 transitions and frequency stabilization of 1.5-micrometer laser
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Proceedings Volume 7846, Quantum and Nonlinear Optics; 784618 (2010); doi: 10.1117/12.871685
Event: Photonics Asia 2010, 2010, Beijing, China
Abstract
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.
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Jing Gao, Jie Wang, Baodong Yang, Tiancai Zhang, Junmin Wang, "Double-resonance optical-pumping spectra of rubidium 5S1/2 - 5P3/2 - 4D3/2 transitions and frequency stabilization of 1.5-micrometer laser", Proc. SPIE 7846, Quantum and Nonlinear Optics, 784618 (5 November 2010); doi: 10.1117/12.871685; http://dx.doi.org/10.1117/12.871685
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KEYWORDS
Laser stabilization

Signal to noise ratio

Laser beam diagnostics

Rubidium

Chemical species

Semiconductor lasers

Optical pumping

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