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A Novel Scheme to Generate 112.8-Gb/s PM-RZ-64QAM Optical Signal

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5 Author(s)
Jianjun Yu ; NEC Labs. America, Princeton, NJ, USA ; Xiang Zhou ; Gupta, S. ; Yue-Kai Huang
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We propose and experimentally demonstrate a novel scheme to generate eight-level electrical signals for a high-speed 64 quadrature amplitude modulation (64QAM) optical signal. The required optical signal-to-noise ratio at a bit-error rate of 2 x 10-3 for the single- (56.4 Gb/s) and dual-polarization (112.8 Gb/s) return-to-zero 64QAM is 21 and 26.5 dB, respectively.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 2 )