Abstract

A numerical simulation of an optically pumped, multiple-longitudinal-mode D₂O laser at a wavelength of 385 μm was carried out based on Lamb’s semiclassical laser theory. The equations of motion for the density matrix elements in the presence of multiple longitudinal modes were solved by numerical calculation. As a result, multiple-longitudinal-mode oscillations around the Raman resonance frequency were observed, which is in reasonable agreement with experimental results. Oscillation spectra obtained from both the simulation and experimental observations are compared.

© 1994 Optical Society of America

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