Excitation strategies and propagation effects in laser cooling of solids via superradiance

Guang-Zong Dong; Xin-Lu Zhang

doi:10.1117/12.2076591

10 March 2015 Excitation strategies and propagation effects in laser cooling of solids via superradiance

Guang-Zong Dong, Xin-Lu Zhang

Proceedings Volume 9380, Laser Refrigeration of Solids VIII; 93800N (2015) https://doi.org/10.1117/12.2076591
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

We propose an alternative excitation scheme based on paired-π-pulses input for laser cooling of solids in superradiance regime. The dynamics of the activated atoms being pumped is analyzed, and used to deduce the temperature dependent cooling power. Compared with the continue-wave plus pulse pumping scheme, our scheme works better for laser cooling of solids via superradiance, and can improve the cooling power by 4 and 50 times at room and cryogenic temperatures, respectively. Moreover, the propagation effects of the input pulses are investigated to determine the proper length of the cooling sample.

Citation Download Citation

Guang-Zong Dong and Xin-Lu Zhang "Excitation strategies and propagation effects in laser cooling of solids via superradiance", Proc. SPIE 9380, Laser Refrigeration of Solids VIII, 93800N (10 March 2015); https://doi.org/10.1117/12.2076591

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