Abstract

The influence of an additional relaxation channel of up-conversion type on the second threshold of a laser with a dense homogeneously broadened active medium is investigated in terms of a two-level model. Local-field effects caused by near dipole-dipole interactions are taken into account in this case. It is shown that the bad-cavity condition is not obligatory for chaotic behavior to appear in a laser system and that the second laser threshold can be substantially reduced by the up-conversion process.

Low instability threshold in a laser operating in both states of polarization

G. P. Puccioni, M. V. Tratnik, J. E. Sipe, and G. L. Oppo
Opt. Lett. 12(4) 242-244 (1987)

Frequency up-conversion of quantum images

Michael Vasilyev and Prem Kumar
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Thermal effects on the threshold of vertical-cavity surface-emitting lasers: first- and second-order phase transitions

C. Z. Ning and J. V. Moloney
Opt. Lett. 20(10) 1151-1153 (1995)

Avalanche-like behavior of up-conversion luminescence by nonlinear coupling of pumping rates

M. V. Korolkov, I. A. Khodasevich, A. S. Grabtchikov, D. Mogilevtsev, and E. V. Kolobkova
Opt. Lett. 44(23) 5880-5883 (2019)

Enhanced frequency up-conversion in Rb vapor

A. Vernier, S. Franke-Arnold, E. Riis, and A. S. Arnold
Opt. Express 18(16) 17020-17026 (2010)