ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Different supercontinuum generation processes in photonic crystal fibers pumped with a 1064-nm picosecond pulse |
Chen Hong-Wei (谌鸿伟), Jin Ai-Jun (靳爱军), Chen Sheng-Ping (陈胜平), Hou Jing (侯静), Lu Qi-Sheng (陆启生) |
College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China |
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Abstract Picosecond pulse pumped supercontinuum generation in photonic crystal fiber is investigated by performing a series of comparative experiments. The main purpose is to investigate the supercontinuum generation processes excited by a given pump source through the experimental study of some specific fibers. A 20-W all-fiber picosecond master oscillator-power amplifier (MOPA) laser is used to pump three different kinds of photonic crystal fibers for supercontinuum generation. Three diverse supercontinuum formation processes are observed to correspond to photonic crystal fibers with distinct dispersion properties. The experimental results are consistent with the relevant theoretical results. Based on the above analyses, a watt-level broadband white light supercontinuum source spanning from 500 nm to beyond 1700 nm is demonstrated by using a picosecond fiber laser in combination with the matched photonic crystal fiber. The limitation of the group velocity matching curve of the photonic crystal fiber is also discussed in the paper.
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Received: 13 January 2013
Revised: 02 February 2013
Accepted manuscript online:
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PACS:
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42.55.Wd
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(Fiber lasers)
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42.65.-k
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(Nonlinear optics)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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Fund: Project supported by the State Key Program of the National Natural Science Foundation of China (Grant No. 61235008) and the Postgraduate Innovation Foundation of National University of Defense Technology, China (Grant No. B110704). |
Corresponding Authors:
Hou Jing
E-mail: houjing25@sina.com
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Cite this article:
Chen Hong-Wei (谌鸿伟), Jin Ai-Jun (靳爱军), Chen Sheng-Ping (陈胜平), Hou Jing (侯静), Lu Qi-Sheng (陆启生) Different supercontinuum generation processes in photonic crystal fibers pumped with a 1064-nm picosecond pulse 2013 Chin. Phys. B 22 084205
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