Numerical study of all-optical delay line based on wavelength conversion in SOA and dispersion in DCF

Zhefeng Hu; Junqiang Sun; Jian Wang; Jing Xu

doi:10.1117/12.745684

21 November 2007 Numerical study of all-optical delay line based on wavelength conversion in SOA and dispersion in DCF

Zhefeng Hu, Junqiang Sun, Jian Wang, Jing Xu

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Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67812O (2007) https://doi.org/10.1117/12.745684
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

An all-optical tunable delay line based on wavelength conversion in semiconductor optical amplifier (SOA), and group-velocity dispersion (GVD) in dispersion-compensating fiber (DCF) is theoretically analyzed and numerically demonstrated. By describing the basic theory, modeling and simulating the processes, we show that the scheme is feasible to produce large time delays. The system operates near 1550 nm, and with a nonreturn-to-zero (NRZ) pattern at 10 and 40 Gb/s, time delays from -3360 to 3360 ps are observed. The system achieves continuous control of a wide range of delays, wide signal bandwidth, nearly no pulse broadening, and very little spectral distortion.

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Zhefeng Hu, Junqiang Sun, Jian Wang, and Jing Xu "Numerical study of all-optical delay line based on wavelength conversion in SOA and dispersion in DCF", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67812O (21 November 2007); https://doi.org/10.1117/12.745684

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KEYWORDS

Picosecond phenomena

Dispersion

Distortion

Optical communications

Control systems

Eye

Optical filters

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