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Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation and Transmission of 256-Gb/s PDM-16QAM Modulation Format
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation Transmission of 256-Gb/s PDM-16 QAM Modulation Format
2014/11/6
We demonstrate, using a compact InP-based integrated assembly of a tunable laser and a double-nested Mach-Zehnder modulator, generation of Nyquist-prefiltered QPSK and 16-QAM signals at 32-Gbaud. We t...
All-optical OOK to 16QAM Modulation Format Conversion Employing Nonlinear Optical Fiber Loop Mirror
Modulation Nonlinear optical signal processing
2011/5/21
We propose a novel all-optical modulation format conversion scheme from on-off-keying to 16 quadrature amplitude modulation using nonlinear optical loop mirror based on parametric amplification and cr...
Impact of Non-Ideal Pulse Carving Induced Phase Distortions on QPSK based Modulation Format
Non-Ideal Pulse Induced Phase Distortions QPSK Modulation Format
2009/7/17
We investigate impact of non-ideal pulse carver induced phase distortions on QPSK format. The results show that only 0.5 dB amplitude imbalance of sinusoidal wave applied into carver produces 2 dB ONS...