Application of constant-current diodes in optical fiber communication

Author

DaiQiang, Wang ; Qiao, Liu ; Ding Zhao ; Rong, Liang ; Yi, Wang

Author_Institution

Electron. Dept., Guizhou Univ., Guiyang

fYear

2008

Firstpage

336

Lastpage

339

Abstract

The use of constant-current diodes in designing the power supply for semiconductor laser is described in this paper. According to semiconductor laser light source model and characteristics of the constant-current diodes that IH does not change with the input voltage VI in the region of constant current, the designed constant-current driving circuit is an open-loop structure which reduces the pulse fluctuations of conventional closed-loop feedback current source and improves the response speed. Through 13 MHz pulse test, it is proved that the use of constant-current diode to design the semiconductor laser constant power supply is feasible.

Keywords

driver circuits; optical fibre networks; semiconductor lasers; closed-loop feedback current source; constant-current diodes; constant-current driving circuit; frequency 13 MHz; open-loop structure; optical fiber communication; pulse fluctuations; semiconductor laser; Fiber lasers; Laser feedback; Laser modes; Optical design; Optical fiber communication; Optical pulses; Power lasers; Pulsed power supplies; Semiconductor diodes; Semiconductor lasers; Cooling; Current supplies; driver circuits; semiconductor device modeling;

fLanguage

English

Publisher

ieee

Conference_Titel

Anti-counterfeiting, Security and Identification, 2008. ASID 2008. 2nd International Conference on

Conference_Location

Guiyang

Print_ISBN

978-1-4244-2584-6

Electronic_ISBN

978-1-4244-2585-3

Type

conf

DOI

10.1109/IWASID.2008.4688416

Filename

4688416