Lavery, Domanic, Liu, Sheng, Jeong, Yoonchan, Nilsson, Johan, Petropoulos, Periklis, Bayvel, Polina and Savory, Seb J.
Realising high sensitivity at 40 Gbit/s and 100 Gbit/s.
In, Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), Los Angeles, US,
04 - 08 Mar 2012.
We experimentally investigate modulation formats for realizing high data rate and high power sensitivity using coherent reception with low noise-figure optical preamplification. 40 Gbit/s PS-QPSK exhibits a sensitivity of 4.3 photons/bit while 100 Gbit/s PDM-QPSK exhibits a sensitivity of 5.3 photons/bit at 3.8×10-3 BER.
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