Integrated laser and coupled waveguide

Details Integrated laser and coupled waveguide Integrated laser and coupled waveguide

1996-08-21

1997-09-30

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

372102, 372 45, 372 96, 385 37, 385 50, H01S 319

Patent

active

056732848

ABSTRACT:
A grating (461) coupling the output of a semiconductor laser (410) in a semiconductor waveguide to a dielectric waveguide (451) having a core (458) which may be efficiently butt-coupled to the core of an optical fiber (470); the laser and semiconductor waveguide, coupling grating, and dielectric waveguide are integrated on a single substrate. Further, multiple lasers (410, 420, 430, 440) with differing lasing frequencies may be integrated and their outputs grating coupled into a single dielectric waveguide (450) for wavelength division multiplexing.

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Aiki et al, "A Frequency-Multiplexing Light Source with Monolithically Integrated Distributed Feedback Diode Lasers", IEEE Journal of Quantum Electronics, vol. QE-13, No. 4, Apr. 1977, pp. 220-223.

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