Optical semiconductor device

Details Optical semiconductor device Optical semiconductor device

1990-06-20

1992-01-28

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 26, 372 46, 372 96, H01S 319

Patent

active

050848941

ABSTRACT:
An optical semiconductor device which can independently control optical gains or optical characteristics electrically by forming two layers on two pn junctions with either a pnp structure or an npn structure of a band gap energy narrower than adjacent layers thereto to enable increase of modulation width of a monolithic integrated laser with an optical modulator such as wavlength tunable laser or control of spectrum forms of a semiconductor optical amplifier.

REFERENCES:
patent: 4817105 (1989-03-01), Yano

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