A novel all-optical clock recovery scheme

Fei Wang; Xinliang Zhang; Enming Xu; Yu Zhang

doi:10.1117/12.852130

2 December 2009 A novel all-optical clock recovery scheme

Fei Wang, Xinliang Zhang, Enming Xu, Yu Zhang

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76310F (2009) https://doi.org/10.1117/12.852130
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

We experimentally demonstrate all-optical clock recovery (CR) from the nonreturn-to-zero (NRZ) data without any preprocess measure. Multi-quantum-well (MQW) Fabry-Pérot semiconductor optical amplifier (FP-SOA) plays the dual role of the data format converter and the clock recovery device. To achieve amplitude equalization of the recovered clock pulses, a self-nonlinear polarization switching (SNPS) including the FP-SOA itself, two polarization controllers (PCs) and a polarization beam splitter (PBS) is employed. Using the presented scheme, stable and low jitter 35.80 GHz optical clock pulses were directly extracted out from input NRZ data. This scheme has some distinct advantages such as being transparent to data format, free preprocess, free pre-amplification, convenient tuning, good tolerance to long "0s" data, and good tolerance to wavelength drifting of input data.

Citation Download Citation

Fei Wang, Xinliang Zhang, Enming Xu, and Yu Zhang "A novel all-optical clock recovery scheme", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76310F (2 December 2009); https://doi.org/10.1117/12.852130

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