15 September 2005 Anti-Stokes GaAs random laser: on the road to thermally pumped lasers
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We demonstrate first anti-Stokes laser in which only one pumping photon is required to produce one higher-energy emission photon. The difference of energy is drawn from phonons. This regime is realized in GaAs random laser. We also propose a laser system based on an anti-Stokes laser, which can be pumped by heat only. The temperature of the heater does not need to be high. The heat pumping energy (at practically no cost) can be provided via thermal contact of the laser element with an ambient environment, such as atmosphere, ocean, ground, etc.
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M. A. Noginov, M. A. Noginov, G. Zhu, G. Zhu, C. Small, C. Small, M. Bahoura, M. Bahoura, } "Anti-Stokes GaAs random laser: on the road to thermally pumped lasers", Proc. SPIE 5924, Complex Mediums VI: Light and Complexity, 59240C (15 September 2005); doi: 10.1117/12.618879; https://doi.org/10.1117/12.618879


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