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Kvantovaya Elektronika, 2015, Volume 45, Number 7, Pages 625–627 (Mi qe16209)  

Control of radiation parameters

Quantum fluctuations of radiation in a ring Nd:YAG chip laser

E. G. Lariontsev, V. V. Firsov

Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics

Abstract: We report theoretical and experimental investigation of intensity fluctuations in a travelling-wave ring Nd:YAG chip laser, caused by the noise of spontaneous emission. In accordance with theory and experiment, quantum intensity fluctuations in the laser under study decrease dramatically with increasing pump over the threshold. As a result of the research performed, the factor β is found, which determines the ratio of the rate of spontaneous emission into the generated mode to the total rate of spontaneous emission into all modes. The effect of the relaxation rate from the lower laser level on quantum fluctuations of the radiation intensity is found.

Keywords: solid-state ring laser, spontaneous emission, quantum fluctuations, relaxation oscillations.

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English version:
Quantum Electronics, 2015, 45:7, 625–627

Bibliographic databases:

PACS: 42.50.Lc, 42.55.Rz, 42.60.Da, 42.60.Rn
Received: 22.01.2015

Citation: E. G. Lariontsev, V. V. Firsov, “Quantum fluctuations of radiation in a ring Nd:YAG chip laser”, Kvantovaya Elektronika, 45:7 (2015), 625–627 [Quantum Electron., 45:7 (2015), 625–627]

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  • http://mi.mathnet.ru/eng/qe/v45/i7/p625

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  • Квантовая электроника Quantum Electronics
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