Role of Population Noise on the Transient Statistics of a CO2 Laser near Threshold

M. Ciofini; R. Meucci; Peng-ye Wang; F. T. Arecchi

doi:10.1209/0295-5075/21/7/004

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Role of Population Noise on the Transient Statistics of a CO₂ Laser near Threshold

M. Ciofini, R. Meucci, Peng-ye Wang¹ and F. T. Arecchi²

EPL (Europhysics Letters), Volume 21, Number 7

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Author affiliations

Istituto Nazionale di Ottica - Largo E. Fermi 6, 50125 Firenze, Italy

¹ Institute of Physics, Academia Sinica, Beijing, China

² Department of Physics, University of Florence, Italy

Dates

Received 29 June 1992

Citation

M. Ciofini et al 1993 EPL 21 735

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DOI

https://doi.org/10.1209/0295-5075/21/7/004

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Abstract

We present experimental evidence of a two-peaked passage time distribution in a Q-switched single-mode CO₂ laser. This novel feature occurs when the initial setting of the net laser gain is close to the threshold value. Population fluctuations with a decay time longer than the transient duration explain this phenomenon.

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