High-power coherent arrays of vertical cavity surface...

Details High-power coherent arrays of vertical cavity surface... High-power coherent arrays of vertical cavity surface...

2005-10-25

2005-10-25

Wong, Don (Department: 2821)

Coherent light generators

Particular active media

Semiconductor

C372S018000, C372S019000, C372S043010, C372S044010, C372S045013, C372S046012

Reexamination Certificate

active

06959027

ABSTRACT:
A high-power coherent array of Vertical Cavity Surface Emitter Lasers is described in which a plurality of Vertical Cavity Surface Emitting Lasers (VCSELs) are provided along with a structure which optically couples each of the VCSELs the plurality of VCSELs to one another by a predetermined amount to cause a coherent mode locking condition to occur. The coupling structure can be a beam cube, a plurality of smaller bean cubes, or a waveguide/grating system, for example. A reference source, or controlled coupling among the VCSELs, is used to phase lock the VCSELs to one another.

REFERENCES:
patent: 5033060 (1991-07-01), Leger et al.
patent: 6031243 (2000-02-01), Taylor
patent: 2002/0196414 (2002-12-01), Manni et al.
J.R. Leger et al., Coherent addition of AlGaAs laser using microlenses and diffractive coupling, Applied Physics Letters, vol. 52, pp. 1771-1773, 1988.

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