Title:
【発明の名称】半導体レ-ザ
Document Type and Number:
Japanese Patent JP2540850
Kind Code:
B2
Abstract:
A semiconductor laser comprises a laser diode (LD) mounted on a semiconductor chip which has a monitoring photodiode (PD) formed therein so as to monitor the laser light output of the laser diode (LD). The cathode of the laser diode (LD) and the anode of the monitoring photodiode (PD) are connected together, and a suitable forward voltage for the laser diode (LD) and reverse voltage for the monitor photodiode (PD) is provided by a single power supply.
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Inventors:
SONE HARUO
UMEZAWA ISAO
YONEYAMA OSAMU
UMEZAWA ISAO
YONEYAMA OSAMU
Application Number:
JP7256587A
Publication Date:
October 09, 1996
Filing Date:
March 25, 1987
Export Citation:
Assignee:
SONY CORP
International Classes:
H01S5/00; G11B7/123; G11B7/127; H01S5/026; G11B7/12; G11B7/125; (IPC1-7): H01S3/18
Domestic Patent References:
| JP5147665U |
Attorney, Agent or Firm:
Hideaki Ogawa