Jun 7, 2018 · We analyzed the performance of CO-OFDM-6PolSK-QPSK modulation format and compared it with CO-OFDM-PM-QPSK. The results show that it can be ...
The results show that CO-OFDM-6PolSK-QPSK modulation format can be used as an alternative way to PM- QPSK in a flexible-rate coherent optical communication ...
Apr 12, 2017 · Simulation results show that the proposed structure can generate 6PolSK-QPSK effectively and the performance is nearly the same to the ...
Apr 4, 2017 · We analyzed the performance of CO-OFDM-6PolSK-QPSK modulation format and compared it with CO-OFDM-PM-QPSK. The results show that it can be used ...
We proposed a novel structure to generate the 6PolSK-QPSK with two dual-drive MZMs. Simulation results show that the proposed structure can generate 6PolSK-QPSK ...
Mar 1, 2018 · In this paper, we demonstrated constant envelope OFDM scheme with phase modulator for 6PolSK-QPSK modulation, and compared its performance with ...
We study the performance of a 6P-QPSK-32 CO-OFDM system using a Monte-Carlo simulation in Matlab. The. CO-OFDM has a FFT size of 128 and 80 modulated data ...
It is shown that the proposed scheme outperforms conventional coherent detection OFDM systems, which is strongly dependent on both phase and optical modulation ...
We experimentally demonstrate the best known 16-ary 4-d modulation format at 24.8 Gb/s using coherent optical OFDM, achieving 0.58 dB OSNR gain over PDM-QPSK at ...
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What is QPSK modulation in digital communication?
We propose a 6PolSK-QPSK transmitter scheme, which is based on one DD-MZM in each polarization component. This transmitter scheme simplifies optical ...