Simulation on the evolution of spectrum-managed optical pulse propagation in active fibers with programmable gain spectral profile

Tianxin Yang; Yu Peng; Delin Yang; Zhaoying Wang; Dongfang Jia; Mei Sang

doi:10.1117/12.909863

28 February 2012 Simulation on the evolution of spectrum-managed optical pulse propagation in active fibers with programmable gain spectral profile

Tianxin Yang, Yu Peng, Delin Yang, Zhaoying Wang, Dongfang Jia, Mei Sang

Author Affiliations +

Proceedings Volume 8255, Physics and Simulation of Optoelectronic Devices XX; 82551Q (2012) https://doi.org/10.1117/12.909863
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

Erbium-doped fiber lasers have become a reliable source of sub-100 fs pulses at 1550 nm; however dispersion and nonlinearities in optical fiber make generation of multi-nJ pulses difficult. In this paper a two-stage fiber amplification system which consists of two sub-fiber-amplifiers was designed by introducing a filter between the two sub-amplifiers to manage or modify the spectrum of the pulse amplified by the first sub-fiber-amplifier before it goes into the second one. A systematic simulation, both in time domain and in frequency domain, for this fiber amplifier system was conducted. The role of the filter in the system is presented and discussed. The parameters of this two-stage fiber amplification system are determined by calculation results based on the high-concentration Er-doped fiber as gain media and high power laser diodes as pump light sources, All of the components in the system are commercially available. In addition, the optimal output of the amplification system was obtained based on simulations.

Citation Download Citation

Tianxin Yang, Yu Peng, Delin Yang, Zhaoying Wang, Dongfang Jia, and Mei Sang "Simulation on the evolution of spectrum-managed optical pulse propagation in active fibers with programmable gain spectral profile", Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 82551Q (28 February 2012); https://doi.org/10.1117/12.909863

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KEYWORDS

Optical fibers

Optical amplifiers

Optical filters

Fiber amplifiers

Fiber lasers

Terahertz radiation

Ultrafast phenomena

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