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Appl. Sci. 2014, 4(3), 444-467; doi:10.3390/app4030444

Tunable Multicolored Femtosecond Pulse Generation Using Cascaded Four-Wave Mixing in Bulk Materials

Advanced Ultrafast Laser Research Center, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
Japan Science and Technology Agency (JST), Core Research for Evolutional Science and Technology (CREST), 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, 390 Qinghe Rd., Jiading, Shanghai 201800, China
Department of Electrophysics, National Chiao-Tung University, 1001 Ta Hsinchu Rd., Hsinchu 300, Taiwan
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0971, Japan
Author to whom correspondence should be addressed.
Received: 4 June 2014 / Revised: 22 July 2014 / Accepted: 12 August 2014 / Published: 22 September 2014
View Full-Text   |   Download PDF [2236 KB, uploaded 22 September 2014]   |  


This paper introduces and discusses the main aspects of multicolored femtosecond pulse generation using cascaded four-wave mixing (CFWM) in transparent bulk materials. Theoretical analysis and semi-quantitative calculations, based on the phase-matching condition of the four-wave mixing process, explain the phenomena well. Experimental studies, based on our experiments, have shown the main characteristics of the multicolored pulses, namely, broadband spectra with wide tunability, high stability, short pulse duration and relatively high pulse energy. Two-dimensional multicolored array generation in various materials are also introduced and discussed. View Full-Text
Keywords: multicolored laser pulse; tunable laser pulse; cascaded four-wave mixing multicolored laser pulse; tunable laser pulse; cascaded four-wave mixing

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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He, J.; Liu, J.; Kobayashi, T. Tunable Multicolored Femtosecond Pulse Generation Using Cascaded Four-Wave Mixing in Bulk Materials. Appl. Sci. 2014, 4, 444-467.

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