Unstable resonator diode laser

Details Unstable resonator diode laser Unstable resonator diode laser

1985-05-06

1988-04-19

Davie, James W.

Coherent light generators

Particular resonant cavity

Unstable resonator

372 92, 372 98, 372 99, 372 44, H01S 308

Patent

active

047395087

ABSTRACT:
A diode laser having an acitve layer bounded by confinement layers and two end facets that include etched mirrors selected to form an unstable resonator with good transverse mode quality. Energy from the unstable resonator is coupled out of the device through a transmissive window in one of the facets, the window providing a relatively large flux area and permitting higher output powers without loss of mode quality. Since stripe geometry is not used to control mode quality, a large current-carrying area is available, which reduces the current density and also permits higher output powers and longer operating lives.

REFERENCES:
patent: 3873942 (1975-03-01), Reilly
Borghese et al., "Unstable-Stable Resonators with Toroidal Mirrors," Applied Optics, vol. 20, No. 20, 15 Oct. 1981, pp. 3547-3552.
Bogatov et al., "Injection Laser with An Unstable Resonator," Sov. J. Quantum Electron, 10(5), May 1980, pp. 620-622.

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