论文信息 - Operational regime of symbol-by-symbol phase noise estimation for POLMUX 16-QAM

Operational regime of symbol-by-symbol phase noise estimation for POLMUX 16-QAM

A symbol-by-symbol phase noise estimation algorithm for polarization-multiplexed 16-QAM is evaluated. We found that it can cope with laser linewidths of up to 2.2 MHz in high SNR regimes, at 112 Gbit/s.

[1] S. Savory,et al. Laser Linewidth Tolerance for 16-QAM Coherent Optical Systems Using QPSK Partitioning , 2010, IEEE Photonics Technology Letters.

[2] Andrew J. Viterbi,et al. Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission , 1983, IEEE Trans. Inf. Theory.