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Optical pulse generation at frequencies up to 20 GHz using external-injection seeding of a gain-switched commercial Fabry-Perot laser

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3 Author(s)
Barry, L.P. ; Sch. of Electron. Eng., Dublin City Univ., Ireland ; Anandarajah, P. ; Kaszubowska, A.

We demonstrate that by using strong external-injection seeding of gain-switched Fabry-Perot (FP) lasers, it is possible to generate optical pulses at repetition rates far in excess of the laser bandwidth. Experimental results illustrate the generation of optical pulses at frequencies up to 20 GHz from a FP laser with a 3-dB bandwidth of only 8 GHz. The optical pulses generated have a duration around 12 ps, and a spectral width of 40 GHz.

Published in:

Photonics Technology Letters, IEEE  (Volume:13 ,  Issue: 9 )

Date of Publication:

Sept. 2001

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