A novel wavelength conversion scheme based on a single SOA inserted MZI for all-optical switching network |
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| Authors: | Huan-lin Liu Shang Jiang Chun-yan Chen |
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| Affiliation: | (1) Nanophotonics School of Engineering-Emerging Technologies, University of Tabriz, Bolv. 29 Bahamn, 51666 Tabriz, Iran;(2) Faculty of Electrical and Computer Engineering, University of Tabriz, Bolv. 29 Bahamn, 51666 Tabriz, Iran |
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| Abstract: | A novel scheme of wavelength conversion based on single semiconductor optical amplifier (SOA) inserted Mach–Zehnder-interferometers
(MZI) is proposed to resolve the optical packet contending in the paper. A signal phase adjuster is designed for MZI lower
arms to change the optical signal phase difference between MZI upper arms and lower arms accurately. The SOA and input optical
signal parameters are discussed and analyzed to optimize the scheme wavelength conversion performance for all-optical switching
networks. Numerical analysis and simulation show that more than 20 dB contrast ratio can be achieved for the wavelength conversion
at 40 Gbps. In addition, the system is simple structure, stable and photonic integratable. |
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