Two-peak passage time distributions in transient CO2 lasers near threshold

Year: 1992

Authors: Ciofini M., Lapucci A., Meucci R., Wang P.-Y., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy; Università degli Studi di Firenze, Dipartimento di Fisica, Firenze, Italy

Abstract: We investigate two-peak passage-time statistical distributions in a Q-Switched CO2 laser using the excitation current as the control parameter. This two-peak statistics is due to the Population-inversion noise when the initial laser state is set close to threshold. Such a phenomenon has been experimentally observed in a class-B laser when the passage time is shorter than the relaxation time of the population inversion. The time separation of the two peaks can be quantitatively related to the laser net pin.

Journal/Review: PHYSICAL REVIEW A

Volume: 46 (9)      Pages from: 5874  to: 5878

KeyWords: CO2 lasers
DOI: 10.1103/PhysRevA.46.5874

Citations: 12
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