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2017 , Vol. 22 >Issue 5: 513 - 516

DOI: https://doi.org/10.1007/s12204-017-1869-6

Theoretical Analysis of Er3+-Doped Telluride Glass Fiber Amplifier for 2.700 μm Laser Amplification

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  • (1. School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, Liaoning, China; 2. State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China)

Online published: 2017-09-30

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Abstract

The rate equations and power evolution equations of erbium-doped telluride glass fiber amplifier for both 1.530 and 2.700 μm lasers are solved numerically, the dependences of gain spectra on fiber length, dopant concentration and pump power are analyzed, and the gain of 2.700 μm laser is calculated and compared with the experimental result from reference. The numerical analysis shows that with 8 × 1024 ion/m3 erbium ion concentration, 5 m fiber length and 600 mW pump power, the gains at 1.530 and 2.700 μm may achieve 23dB or so. With larger power pump and higher dopant concentration, a net gain of 17 dB is obtained from the Er3+-doped telluride glass fiber amplifier for 110mW input signal. This fiber amplifier is promising for both 1.530 μm signal amplification and 2.700 μm laser amplification.

Key words： gain; erbium; telluride glass fiber; 1.530 and 2.700 μm lasers

Cite this article

YIN Jinpeng1 (尹金鹏), GAO Wenyuan1* (高文元), HAO Liping1 (郝丽萍), LIU Guishan1 (刘贵山), . Theoretical Analysis of Er3+-Doped Telluride Glass Fiber Amplifier for 2.700 μm Laser Amplification[J]. Journal of Shanghai Jiaotong University(Science), 2017 , 22(5) : 513 -516 . DOI: 10.1007/s12204-017-1869-6

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