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Experimental Study of Polarization-Switched-QPSK Subcarrier Modulation and Iterative Demapping on Optical OFDM Systems
multiplex achieved OCIS codes
2015/5/21
We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus ...
Demonstration of Multi-Rate Thresholded Preamplified 16-ary Pulse-Position-Modulation
Optical communications Free-space optical communication
2015/6/9
Sensitive multi-rate optical communication is experimentally investigated on static and fading channels at data rates from 52 Mbps to 311 Mbps using 16-ary pulse-position-modulation,channel coding and...
Polar Coordinate Transformation based Dual Binary-Drive QPSK Modulation
Optical communications Modulation
2015/6/5
QPSK signal generation by a dual binary-drive Mach-Zehnder modulator employing polar coordinate transformation was experimentally demonstrated for cost-effective digital coherent transceivers.Toleranc...
