FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Double-Brillouin-Frequency Spaced Multiwavelength Generation in a Ring Brillouin-Erbium Fiber Laser |
LI Jun1,2, CHEN Tao1, SUN Jun-Qiang1**, SHEN Xiang2 |
1Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074 2 Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211
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Cite this article: |
LI Jun, CHEN Tao, SUN Jun-Qiang et al 2013 Chin. Phys. Lett. 30 024205 |
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Abstract We demonstrate the double-Brillouin-frequency spaced multiwavelength generation at room temperature by using a simple ring Brillouin-erbium fiber laser. The Brillouin pump is pre-amplified before entering the single-mode fiber, the odd Stokes and even Stokes are amplified in two opposite directions. All amplification provided by a home-made bi-directional operation erbium-doped fiber may achieve high intensity of Brillouin Stokes that leads to the homogenous gain saturation. Twelve even Stokes and thirteen odd Stokes with a wavelength spacing of 0.172 nm (20 GHz) are simultaneously obtained for 6 dBm Brillouin pump power and 120 mW pump power at 980 nm. The influence of different Brillouin and erbium-doped-fiber pump powers on multiwavelength and tuning range are investigated in detail.
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Received: 23 November 2012
Published: 02 March 2013
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PACS: |
42.55.Wd
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(Fiber lasers)
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42.65.Es
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(Stimulated Brillouin and Rayleigh scattering)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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