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Automatic Phase Compensation for Extremely Short Optical-Pulse Generation Using Wavelet Transform

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Title: Automatic Phase Compensation for Extremely Short Optical-Pulse Generation Using Wavelet Transform
Authors: Hazu, K. Browse this author
Narita, K. Browse this author
Sekikawa, T. Browse this author
Yamashita, M. Browse this author
Keywords: automatic phase compensation
few- to mono-cycle optical pulse
over-octave bandwidth pulses
wavelet transform (WT)
Issue Date: Nov-2007
Publisher: IEEE
Journal Title: IEEE Journal of Quantum Electronics
Volume: 43
Issue: 12
Start Page: 1218
End Page: 1226
Publisher DOI: 10.1109/JQE.2007.907546
Abstract: We introduce the wavelet transform (WT) method to automatic phase compensation for the generation of extremely short optical pulses with a duration of a few to several femtoseconds. This method is based on the immediate negative feedback of the spectral phase which is directly reconstructed by the wavelet-transform analysis with no uncertainty in phase retrieval without any manual decision, unlike the Fourier transform method. It is shown that the wavelet-transform method is useful for automatic compensations for three types of ultrabroadband pulses with different characteristics, such as: 1) a strong chirp; 2) a 600-rad spectral-phase variation over one octave bandwidth; and 3) a complicated spectral phase as well as a structured intensity spectrum.
Rights: ©2007 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. IEEE, IEEE Journal of Quantum Electronics, 43(12), 2007, p1218-1226
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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