Tunable laser diode

Details Tunable laser diode Tunable laser diode

1992-12-21

1994-06-28

Gonzalez, Frank

Coherent light generators

Particular beam control device

Tuning

372 50, H01S 310

Patent

active

053253795

ABSTRACT:
Tunable laser diode, whereby two waveguide lasers (5, 7) are arranged transversely relative to one another. A separate current injection into each of the two waveguide layers (5, 7) is possible due to an intermediate layer (6) situated between these waveguide layers (5, 7). An absorber layer (4) periodically interrupted in a longitudinal direction is arranged transversely relative to the layer plane, resulting in forward coupling with an imaginary degree of coupling.

REFERENCES:
patent: 3805188 (1974-04-01), Wuerker et al.
patent: 4435809 (1984-03-01), Tsang et al.
patent: 5023878 (1991-06-01), Berthold et al.
patent: 5048049 (1991-09-01), Amann
patent: 5184247 (1993-02-01), Schimpe
An article entitled: "Fabrication and lasing characteristics of .lambda.=1.56 .mu.m tunable twin-guide (TTG) DFB lasers" by C. F. J. Schanen et al., IEE Proceedings-J, vol. 137, No. 1, Feb. 1990, pp. 69-73.
"Broadband Electronic Wavelength Tuning by CoDirectionally Coupled Twin-Guide Laser Diode", by S. Illek et al., ECOG 91/IOOC, 1991, pp. 21-24.
"Widely Tunable Y-Coupled Cavity Integrated Interferometric Injection Laser", by M. Schilling et al., Electronics Letters, Feb. 15, 1990, vol. 26, No. 4, pp. 243-244.
"Novel Structure GaInAsP/InP 1.5-1.5 .mu.m Bundle Integrated-Guide (BIG) Distributed Bragg Reflector Laser", by Y. Tohmori et al., Japanese Journal of Applied Physics, vol. 24, No. 6, Jun. (1985), pp. L399-L401.

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