Anomalies, symmetries, and asymmetries in the relaxation oscillation spectra of multimode standing-wave solid-state lasers

N. B. Abraham; L. Sekaric; L. L. Carson; V. Seccareccia; P. A. Khandokhin; Ya. I. Khanin; I. V. Koryukin; V. G. Zhislina

doi:10.1103/PhysRevA.62.013810

Anomalies, symmetries, and asymmetries in the relaxation oscillation spectra of multimode standing-wave solid-state lasers

N. B. Abraham, L. Sekaric, L. L. Carson, V. Seccareccia, P. A. Khandokhin, Ya. I. Khanin, I. V. Koryukin, and V. G. Zhislina

Phys. Rev. A 62, 013810 – Published 14 June 2000

Abstract

When the laser medium only partially fills the cavity of a multimode solid-state laser, there are significant changes in the spectral profile of the emission, the intensity fluctuation power spectra, and modulation transfer functions in comparison with lasers which have media that entirely fill the cavity. These effects are computed according to several approximate models for the multimode interactions and compared with experimental measurements. Symmetries and asymmetries in the multimode optical spectrum have corresponding features in the relaxation oscillation spectra. Changes in the laser cavity detuning and laser excitation lead to relatively abrupt changes in some variables (modal intensities, low-frequency relaxation oscillations) while the total intensity and largest relaxation oscillation frequency vary as they would for a single-mode laser.

Received 21 October 1998

DOI:https://doi.org/10.1103/PhysRevA.62.013810

Authors & Affiliations

N. B. Abraham^*, L. Sekaric^†, L. L. Carson, and V. Seccareccia

Department of Physics, Bryn Mawr College, 101 North Merion Avenue, Bryn Mawr, Pennsylvania 19010-2899

P. A. Khandokhin, Ya. I. Khanin, I. V. Koryukin, and V. G. Zhislina

Institute of Applied Physics, Russian Academy of Science, 46 Ulyanov Street, 603600 Nizhny Novgorod, Russia

^*Corresponding author. Present address: Department of Physics, DePauw University, Greencastle, IN 46135. FAX: (765) 658-4224. Electronic address: nabraham@depauw.edu
^†Present address: Department of Applied Physics, Cornell University, Ithaca, NY 14853.

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Vol. 62, Iss. 1 — July 2000

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