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Optical Engineering

Design of fiber parametric wavelength converters based on photonic crystal fibers with two zero-dispersion wavelengths
Author(s): Sheng Cui; Deming Liu; Changjian Ke; Hairong Liu; Chen Liu
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Paper Abstract

We propose the design method of fiber parametric wavelength converters based on dispersion-flattened photonic crystal fibers (PCFs) with two zero-dispersion wavelengths (ZDWs). Analytical expressions of the optimum signal frequency and maximal pump tuning range are deduced. By our method, the tuning ranges can be considerably broadened with a relatively low pump power and short fiber. This is because the fourth-order dispersion coefficient of two ZDW PCFs can be 1-2 orders of magnitude larger than those of one ZDW fiber and are effectively utilized to compensate the linear phase mismatch due to the second-order dispersion, resulting in a low phase mismatch for a widely tunable pump. To exemplify the effectiveness of our method, a PCF based on lead-silicate glasses with two ZDWs spaced 127-nm apart is presented. Numerical simulations show that based on this PCF a transparent wavelength conversion with a 117-nm pump tuning range can be achieved with only a 3.7-m-long fiber and 0.532 W pump power.

Paper Details

Date Published: 1 March 2010
PDF: 5 pages
Opt. Eng. 49(3) 035002 doi: 10.1117/1.3359468
Published in: Optical Engineering Volume 49, Issue 3
Show Author Affiliations
Sheng Cui, Wuhan National Lab. for Optoelectronics (China)
Deming Liu, Huazhong Univ. of Science and Technology (China)
Changjian Ke, Huazhong Univ. of Science and Technology (China)
Hairong Liu, Huazhong Univ. of Science and Technology (China)
Chen Liu, Wuhan National Lab. for Optoelectronics (China)


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