Integrated optical semiconductor device and optical gyroscope us

Details Integrated optical semiconductor device and optical gyroscope us Integrated optical semiconductor device and optical gyroscope us

1996-04-15

1998-03-03

Palmer, Phan T. H.

Optical waveguides

Integrated optical circuit

385 3, 385 4, 385 9, 385 40, G02B 612

Patent

active

057244626

ABSTRACT:
An integrated optical semiconductor device and an optical fiber gyroscope using the same. The semiconductor device comprises a super luminescence diode, at least one waveguide type photo-diode and at least one Y-branch integrated on a single semiconductor substrate. The waveguide structure of the super luminescence diode, photo-diode and Y-branch shares common optical guide layers formed by concurrent crystal growth. At least part of the optical guide layers are located on the side of the semiconductor substrate away from an active layer of the super luminescence diode and an optical absorption layer of the photo-diode.

REFERENCES:
patent: 5334551 (1994-08-01), Komatsu
patent: 5522005 (1996-05-01), Moretti et al.

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