Laser diode with a spatially varying electrostatic field...

Details Laser diode with a spatially varying electrostatic field... Laser diode with a spatially varying electrostatic field...

2005-03-08

2005-03-08

Leung, Quyen (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

Reexamination Certificate

active

06865209

ABSTRACT:
A semiconductor diode laser that generates light at wavelengths longer than conventional diode lasers. The laser includes a first gain element that generates a first “pump” laser beam having a first frequency and a second gain element that generates a second “pump” laser beam having a second frequency. A nonlinear frequency conversion section mixes the two beams to generate a third co-propagating optical beam at the difference frequency. To improve efficiency, the frequency conversion section is furnished with an array of charged electrodes that spatially modulate the nonlinear susceptibility and phase-match the three beams.

REFERENCES:
patent: 4751710 (1988-06-01), Yamaguchi et al.
patent: 4803686 (1989-02-01), Brock
patent: 4903341 (1990-02-01), Rice
patent: 5007066 (1991-04-01), Eda
patent: 5043993 (1991-08-01), Golio et al.
patent: 5732102 (1998-03-01), Bouadma
patent: 5832009 (1998-11-01), Kikuchi

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