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A bit-error rate (BER)-adaptive wavelength-switched optical network (WSON) employing the multiformat and multirate transmitter/receiver is experimentally demonstrated. The flexible transmitter is capable of generating binary phase-shift-keying, quadrature phase-shift-keying, eight-ary quadrature amplitude modulation, 8QAM, and 16QAM, as well as changing the symbol rate. On the other hand, the flexible...
We design and deploy a GMPLS control plane for elastic CO-OFDM optical networks, detailing its functional architecture combining PCE routing and modulation assignment (RMA) with distributed spectrum allocation, the protocol extensions and the experimental validation.
The influence of optical filtering on direct detected NRZ-D8PSK system is investigated for two modulator implementations. Better tolerance to filtering can be achieved for parallel implementation of a 112 Gb/s signal in 50 GHz spacing system.
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