H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 5/042 (2006.01) H01S 5/026 (2006.01) H04B 10/04 (2006.01) G02F 1/01 (2006.01) H01S 5/062 (2006.01) H01S 5/0625 (2006.01) H01S 5/22 (2006.01) H01S 3/103 (1990.01)
Patent
CA 2127060
MODULATOR INTEGRATED DISTRIBUTED FEED-BACK LASER DIODE MODULE AND DEVICE USING THE SAME ABSTRACT OF THE DISCLOSURE An object of the present invention is to realize an optical semiconductor device circuit including a MI- DFB-LD capable of minimizing the extension in wavelength of output light in order to improve a transmission speed and transmission distance. The optical device circuit includes a semiconductor laser diode 1; an optical modulator 2 for modulating output light of the semiconductor laser diode 1; resistor means 5 which is connected to the laser diode 1 and operates as a resistor in a high frequency range; common connection means connected in common to the semiconductor laser diode 1 and to the optical modulator 2; impedance means or signal reflection means 8 connected to the common connection means 3; and ground means connected to the impedance means or the signal reflection means.
Hamaguchi Hisashi
Kamite Kiyotsugu
Kawamura Hiromitsu
Soda Haruhisa
Yamaji Kazuhiro
Fujitsu Limited
Mcfadden Fincham
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