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Programmable chirp compensation for 6-fs pulse generation with a prism-pair-formed pulse shaper

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Title: Programmable chirp compensation for 6-fs pulse generation with a prism-pair-formed pulse shaper
Authors: Xu, Lin Browse this author
Nakagawa, N. Browse this author
Morita, R. Browse this author
Shigekawa, H. Browse this author
Yamashita, M. Browse this author
Keywords: Nonlinear-chirp compensation
prism pair
programmable pulse shaping
pulse compression
spatial light modulator (SLM)
ultrabroad spectrum
ultrashort pulse
Issue Date: Aug-2000
Publisher: IEEE: Institute of Electrical and Electronics Engineers
Journal Title: IEEE Journal of Quantum Electronics
Volume: 36
Issue: 8
Start Page: 893
End Page: 899
Publisher DOI: 10.1109/3.853533
Abstract: We describe a TF5 prism-pair-formed pulse shaper for programmable pulse chirp compensation. The advantages of this kind of pulse shaper are: 1) very broad bandwidth of transmission; 2) smaller losses; and 3) no requirement for a large-size spatial light modulator (SLM) if the input spectrum is very broad. In our experiment, an ultrabroad spectral (500-1000 nm) pulse is produced by launching 1-kHz, 30-fs, 400-μJ pulses at 780 nm into an argon-filled glass capillary fiber at the gas pressure of 2.0 bar. The fiber has an inner diameter of 140μm and a length of 60 cm. The chirped pulse is first precompressed by a pair of BK7 prisms with a separation length of 65 cm and then directed into the prism-pair-formed pulse-shaping apparatus with a 128-pixel SLM, which provides quadratic and cubic phase compensation. When the quadratic and cubic phases are -- 330 fs2 and +2000 fs3, respectively, at the wavelength of 760 nm, an ultrashort optical pulse of 6 fs (FWHM) is generated. This is, to the best of our knowledge, the shortest optical pulse ever compressed using the SLM pulse-shaping technique.
Rights: © 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山下 幹雄

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