Scientific Results

Role of population noise on the transient statistics of a co2-laser near threshold

Year: 1993

Authors: Ciofini M., Meucci R., Wang PY., Arecchi F.T.

Autors Affiliation: Institute of Physics, Academica Sinica, Beijing, China;
Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Department of Physics, University of Firenze, 50125 Firenze, Italy

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.

Journal/Review: EPL

Volume: 21 (7)      Pages from: 735  to: 740

KeyWords: Fluctuation phenomena; Random processes; Brownian motion; CO2 Lasers; Quantum optics
DOI: 10.1209/0295-5075/21/7/004

Citations: 6
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