Coherent light generators – Particular component circuitry – Optical pumping
Patent
1994-06-29
2000-03-28
Davie, James W.
Coherent light generators
Particular component circuitry
Optical pumping
H01S 3096
Patent
active
06044097&
ABSTRACT:
An optical semiconductor device circuit including a MI-DFB-LD capable of minimizing an extension in the wavelength of the output light in order to improve transmission speed and distance. The optical device circuit includes a semiconductor laser diode; an optical modulator for modulating output light of the semiconductor laser diode; a resistive element which is connected to the laser diode and which operates as a resistor at a high frequency; common connection substrate connected to the semiconductor laser diode and to the optical modulator; impedance element or signal reflection element connected to the common connection substrate; and ground connected to the impedance element or the signal reflection element.
REFERENCES:
patent: 4177436 (1979-12-01), Dixon et al.
patent: 4238707 (1980-12-01), Malissin et al.
Suzuki et al., Electrical and Optical Interactions between Integrated InGaAsp/InP DFB Lasers and Electroabsorption Modulators. Journal of Lightwave Technology, vol. 6, No. 6, Jun. 1988, pp. 779-785.
Goto et al., A 10-Gb/s Optical Transmitter Module with a Monolithically Integrated Electroabsorption Modulator with a DFB Laser. IEEE Photonics Technology Leters, vol. 2, No. 12, Dec. 1990, pp. 896-898.
Suzuki, M. et al., Electrical and Optical Interactions between Integrated InGaAsP/InP DFB Lasers and Electroabsorption Modulators. Journal of Lightwave Technolgy, vol. 6, No. 6, Jun. 1988, pp. 779-785.
Kawamura, H. et al., A Modulator Integrated Distributed Feed-Back Laser Diode Module for 2.5Gb/s 210km Optical Transmission.ECOC'92, 18th European Conference on Optical Communications, 1 Proceedings, vol. 1, Regular Papers, pp. 157-160, Sep. 1992.
Hamaguchi Hisashi
Kamite Kiyotsugu
Kawamura Hiromitsu
Soda Haruhisa
Yamaji Kazuhiro
Davie James W.
Fujitsu Limited
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