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Experimental generation of a broadest coherent optical spectrum for a single-mode glass fiber by induced-phase modulation

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5 Author(s)
Xu, L. ; Dept. of Appl. Phys., Hokkaido Univ., Sapporo, Japan ; Nakagawa, N. ; Morita, R. ; Shigekawa, H.
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The broad optical spectrum with quasi-linear chirp is one of the main prerequisites for short pulse generation because of the Fourier relation. Spectrum broadening of laser pulses by self-phase modulation (SPM) in a single-mode optical fiber is a well-established technique and up to now the shortest optical pulses were generated with this technique. To produce even shorter optical pulses, even broader optical spectra are needed. However, this technique has a problem that optical breakdown occurs owing to photo-ionization at the high energy level. Recently, a monocycle-like optical pulse generation using induced-phase modulation (IPM) in a fiber was proposed. In this paper, we report the first experimental demonstration of the ultra-broad coherent spectrum generation based on IPM of two intense, carrier-phase-locked femtosecond pulses.

Published in:

Lasers and Electro-Optics, 1999. CLEO/Pacific Rim '99. The Pacific Rim Conference on  (Volume:3 )

Date of Conference:

Aug. 30 1999-Sept. 3 1999