Improved performance of a hybrid radio/fiber system using a directly modulated laser transmitter with external injection

A directly modulated laser diode with external light injection is used to generate microwave optical signals for a hybrid radio/fiber system. The external light injection greatly enhances the frequency response of the laser, and thus, significantly improves the overall performance of the hybrid syst...

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Bibliographic Details
Published in:IEEE photonics technology letters 2002-02, Vol.14 (2), p.233-235
Main Authors: Kaszubowska, A., Anandarajah, P., Barry, L.P.
Format: Article
Language:English
Subjects:
Communication systems
Diode lasers
Fiber lasers
Fibers
Frequency response
Hybrid power systems
Lasers
Light (visible radiation)
Masers
Microwave generation
Microwaves
Optical fiber communication
Optical fibers
Optical modulation
Performance enhancement
Radio
Signal generators
System performance
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Summary:A directly modulated laser diode with external light injection is used to generate microwave optical signals for a hybrid radio/fiber system. The external light injection greatly enhances the frequency response of the laser, and thus, significantly improves the overall performance of the hybrid system. Experimental results show a 14-dB improvement in system performance for the externally injected laser in a hybrid radio/fiber communication link used for distributing 155-Mb/s data signals.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.980532