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Picosecond rotation of a ring-shaped optical lattice by using a chirped vortex-pulse pair

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Title: Picosecond rotation of a ring-shaped optical lattice by using a chirped vortex-pulse pair
Authors: Yamane, Keisaku Browse this author →KAKEN DB
Sakamoto, Moritsugu Browse this author
Murakami, Naoshi Browse this author →KAKEN DB
Morita, Ryuji Browse this author →KAKEN DB
Oka, Kazuhiko Browse this author →KAKEN DB
Keywords: Optical vortics
Laser beam shaping
Singular optics
Picosecond phenomena
Ultrafast measurements
Issue Date: 3-Sep-2016
Publisher: Optical Society of America
Journal Title: Optics Letters
Volume: 41
Issue: 19
Start Page: 4597
End Page: 4600
Publisher DOI: 10.1364/OL.41.004597
Abstract: A novel method of ultrafast rotation of ring-shaped op-tical lattice in the picosecond time region was proposed and demonstrated. Our ring-lattice generator was as-sembled by a pair of linearly chirped pulses with time delay, a high-order birefringent retarder, and an axially symmetric polarization element. Using a mode-locked Ti:sapphire laser oscillator as a light source, stable two-, four-, and six-petaled ring-lattice rotations were respec-tively demonstrated with the rotation periods of 1.6 ps, 3.2 ps, and 4.8 ps. Our method has a potential to open up a new technique to resonantly excite propagating quasi-particles together with their coherent enhance-ment.
Rights: © 2013 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited
Type: article (author version)
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: 岡 和彦

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