Frontiers of Optoelectronics, 2011, 4 (3): 308, 网络出版: 2012-09-21  

Optical signal processing based on semiconductor optical amplifier and tunable delay interferometer

Optical signal processing based on semiconductor optical amplifier and tunable delay interferometer
作者单位
Tsinghua National Laboratory for Information and Science Technology/State Key Laboratory on Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
摘要
Abstract
In this paper, several applications in all-optical signal processing based on a semiconductor optical amplifier (SOA) and variable delayed interferometers (DIs) have been experimentally demonstrated.Wavelength converter based on a nonlinear polarization switch (NPS) and a DI is proposed and presented for the wavelength conversion of nonreturn-to-zero (NRZ) signals. An alloptical nonreturn-to-zero to return-to-zero (NRZ-to-RZ) format converter with tunable duty cycles is achieved by the DI with variable delays. The 40 Gb/s reconfigurable optical OR/NOR gate in a single SOA, followed a tunable optical bandpass filter (OBF) and a DI, optical 2R regeneration using an SOA-DI are investigated. It is found that this combinative realization of filters has been endowed with great flexibility and quality for 40 Gb/s optical logic and 2R regeneration.
参考文献

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Xiaofan ZHAO, Caiyun LOU, Yanming FENG. Optical signal processing based on semiconductor optical amplifier and tunable delay interferometer[J]. Frontiers of Optoelectronics, 2011, 4(3): 308. Xiaofan ZHAO, Caiyun LOU, Yanming FENG. Optical signal processing based on semiconductor optical amplifier and tunable delay interferometer[J]. Frontiers of Optoelectronics, 2011, 4(3): 308.

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