Phase noise mitigation in coherent transmission system using a pilot carrier

Tianhua Xu; Gunnar Jacobsen; Sergei Popov; Jie Li; Ari T. Friberg; Yimo Zhang

doi:10.1117/12.904038

14 December 2011 Phase noise mitigation in coherent transmission system using a pilot carrier

Tianhua Xu, Gunnar Jacobsen, Sergei Popov, Jie Li, Ari T. Friberg, Yimo Zhang

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 83090Z (2011) https://doi.org/10.1117/12.904038
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

In this paper, we investigate the phase noise elimination employing an optical pilot carrier in the high speed coherent transmission system considering the equalization enhanced phase noise (EEPN). The numerical simulations are performed in a 28-Gsymbol/s quadrature phase shift keying (QPSK) coherent system with a polarization multiplexed pilot carrier. The carrier phase estimation is implemented by the one-tap normalized least mean square (NLMS) filter and the differential phase detection, respectively. Simulation results demonstrate that the application of the optical pilot carrier is very effective for the intrinsic laser phase noise cancellation, while is less efficient for the EEPN mitigation.

Citation Download Citation

Tianhua Xu, Gunnar Jacobsen, Sergei Popov, Jie Li, Ari T. Friberg, and Yimo Zhang "Phase noise mitigation in coherent transmission system using a pilot carrier", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090Z (14 December 2011); https://doi.org/10.1117/12.904038

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