Semiconductor optical modulator

Details Semiconductor optical modulator Semiconductor optical modulator

1987-02-18

1989-03-07

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

372 26, 372 46, 372 50, 372 96, H01S 319, H01S 310

Patent

active

048113530

ABSTRACT:
A semiconductor optical modulator is disclosed which is capable of high-speed modulation without the necessity of increasing the modulating voltage. The present invention has its feature in that the carrier density of the clad layer adjoining the optical waveguide layer 3 is gradually raised toward the p-n junction or Schottky junction, thereby increasing the width of the depletion layer to decrease the junction capacitance.

REFERENCES:
patent: 4720835 (1988-01-01), Akiba et al.

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