Method for a reflective digitally tunable laser

Details Method for a reflective digitally tunable laser Method for a reflective digitally tunable laser

1994-09-19

1995-05-23

Breneman, R. Bruce

Fishing, trapping, and vermin destroying

437133, 148DIG95, H01L 2120

Patent

active

054181836

ABSTRACT:
A method for forming a reflective digitally tunable laser using selective area epitaxy is disclosed. The laser comprises passive waveguides and a plurality of optical amplifiers. The waveguides and optical amplifiers are formed by depositing multiple quantum wells having a suitable bandgap. According to the method, the multiple quantum wells forming both the passive waveguides and the optical amplifiers are deposited simultaneously using a dielectric mask. The mask comprises dual, rectangularly-shaped strips of dielectric material, spaced to form a gap. The multiple quantum wells grown in the gap are suitable for use as optical amplifiers, and those grown outside of the gap are suitable for use as passive waveguides.

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