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Stable and Efficient Generation of High Repetition Rate ( > 160 GHz) Subpicosecond Optical Pulses

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7 Author(s)
Slavik, R. ; Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK ; Parmigiani, F. ; Grüner-Nielsen, L. ; Jakobsen, D.
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A stable optical beat-signal with frequency >; 160 GHz is produced by injection-locking two narrow-linewidth semiconductor lasers emitting at frequencies spaced by the beat-frequency to a low-jitter 10-GHz optical comb. The generated beat-signal with broadband noise suppression of >; 75 dB is temporally compressed by factors of up to four in a high stimulated Brillouin scattering threshold aluminosilicate highly nonlinear fiber. The generated subpicosecond pulses have a root mean square (rms) timing jitter below 150 fs measured over 1 s.

Published in:

Photonics Technology Letters, IEEE  (Volume:23 ,  Issue: 9 )