Manipulation of operation states by polarization control in an erbium-doped fiber laser with a hybrid saturable absorber

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Title:	Manipulation of operation states by polarization control in an erbium-doped fiber laser with a hybrid saturable absorber
Authors:	Kuei-Huei Lin Jung-Jui Kang Hsiao-Hua Wu Chao-Kuei Lee Gong-Ru Lin 林奎輝林恭如
Contributors:	臺北市立教育大學自然科學系
Date:	2009
Issue Date:	2009-07-31 15:12:28 (UTC+8)
Abstract:	We propose an operation switchable ring-cavity erbium-doped fiber laser (EDFL) via intra-cavity polarization control. By using a semiconductor saturable absorber mirror in the EDFL cavity, stable Q-switching, Q-switched mode-locking, continuous-wave mode-locking, pulse splitting, and harmonic mode-locking pulses can be manipulated simply by detuning a polarization controller while keeping the pump power at the same level. All EDFL operation states can be obtained under the polarization angles detuning within 180°. Continuous-wave mode-locking of EDFL with 800-fs pulsewidth repeated at 4 MHz has been obtained, for which the output pulse energy is 0.5 nJ and the peak power is 625 W. Interaction between solitons and the accompanied non-soliton component will lead to either pulse splitting or 5th-order harmonic mode-locking at repetition rate of 20 MHz.
Relation:	Optics Express, V17(6), p.4806-4814
Appears in Collections:	[Department of Applied Physics and Chemistry] Periodical Articles

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