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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...
Polarization-insensitive wavelength conversion, as well as the conversion of return-to-zero (RZ) ON-OFF keying (RZ-OOK) to RZ binary phase-shift keying (RZ-BPSK), has been simultaneously achieved at 4...
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...
Modulation-Format-Free Bias Control Technique for MZ Modulator Based on Differential Phasor Monitor
MZ Modulator Phasor Monitor Modulation-Format-Free Bias Control
2011/5/15
We propose a novel bias control technique based on the differential phasor monitor for the LiNbO 3 modulator. For demonstrations, the proposed bias control technique was used for 20-Gb/s QPSK and 43-G...
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...
Lightpath Labeling Technique for NRZ-DPSK Modulation Format
Lightpath Labeling Technique NRZ-DPSK Modulation Format
2008/8/4
We successfully demonstrate a digital lightpath labeling technique, LightLabel, for DPSK. Two DPSK modulation schemes and OOK are compared experimentally. The technique offers cost-effective lightpath...