Semiconductor distributed feedback laser emitting device improve

Details Semiconductor distributed feedback laser emitting device improve Semiconductor distributed feedback laser emitting device improve

1994-09-09

1995-09-12

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 20, 372 96, H01S 310

Patent

active

054504325

ABSTRACT:
A semiconductor distributed feedback laser emitting device has upper electrodes arranged in a longitudinal direction of an oscillator for supplying current to the oscillator, and a separating electrode is provided between the upper electrodes for making the distribution of an electric field strength in the longitudinal direction uniform by changing the current density in the separating electrode with respect to the current density in the upper electrodes, thereby improving a second intermodulation distortion.

REFERENCES:
patent: 5170402 (1992-12-01), Ogita et al.
patent: 5187717 (1993-02-01), Horita et al.
patent: 5206877 (1993-04-01), Kahan
patent: 5325382 (1994-06-01), Emura et al.
patent: 5325392 (1994-06-01), Tohmori et al.
patent: 5355239 (1994-10-01), Nakajima

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