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Effective generation of tunable single- and multiwavelength optical pulses from a Fabry-Perot laser diode

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2 Author(s)
Shu, C. ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong ; Yam, S.P.

A tunable pulse source capable of both single- and multiwavelength oscillations has been developed by self-injection seeding of a laser diode. A side-mode-suppression ratio (SMSR) of about 20 dB has been obtained in the outputs. The key element in our setup is a wavelength multiplying stage consisting simply of 50/50 beam splitters, a diffraction grating, and a mirror. The maximum number of available wavelengths increases rapidly with the beam splitters. Our scheme can be adopted for use in high-speed wavelength switching.

Published in:

Photonics Technology Letters, IEEE  (Volume:9 ,  Issue: 9 )