搜索结果: 1-15 共查到“光信息技术 DQPSK”相关记录17条 . 查询时间(0.044 秒)
Generation of 20-Gb/s RZ-DQPSK Signal using a Directly Modulated Chirp Managed Laser
Generation RZ-DQPSK Signal Directly Modulated Chirp Managed Laser
2015/5/21
We generate 20-Gb/s return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK) signal using a directly modulated chirp managed laser (CML), without requiring any differential encoder and opt...
Parametric Amplification of 112 Gbit/s Polarization Multiplexed DQPSK Signals in a Fiber Loop Configuration
Parametric Amplification Polarization Multiplexed DQPSK Signals Fiber Loop Configuration
2015/5/21
Parametric amplification of 112-Gbit/s-33%-RZ-DQPSK signals with 20 dB on-off- gain is shown using highly nonlinear fiber in a polarization diversity configuration. The measured OSNR penalty at a BER ...
All-Optical Wavelength Conversion of 56 Gbit/s NRZ- DQPSK Signals in Silicon-Organic Hybrid Strip Waveguides
Wavelength conversion devices Harmonic generation mixing
2015/6/9
All-optical wavelength conversion of 56 Gbit/s NRZ-DQPSK based on four-wave mixing is demonstrated in a silicon-organic hybrid strip waveguide operated in TM mode.
Reduction of XPM penalty by sub-bit delay demodulation of DQPSK
Phase modulation Fiber optics communications
2015/6/8
We show that using a shortened delay in the demodulator for DQPSK channels can significantly reduce the XPM penalties caused by transmitting 40Gb/s DQPSK channels alongside 10Gb/s OOK channels.
Low-Power, Polarization Tracked 45.6 GB/s per Wavelength PM-DQPSK Receiver in a 10-Channel Integrated Module
Fiber optics communications Phase modulation Integrated optics-Systems
2015/6/8
We introduce an architecture for low-power (<0.05 W/Gb/s) demodulation of PM-DQPSK signals at 45.6 GB/s, and demonstrate an integrated package combining custom 10-channel PLC, photodiode array, and AS...
200-Gb/s, 430-km PDM-RZ-DQPSK (4 bit/symbol) Transmission with 10 krad/s Endless Polarization Tracking
Fiber Optic Communications Polarization
2015/6/8
We report agile endless optical polarization demultiplex, free of polarization channel jumps, over a 475 Mrad long Poincaré sphere trajectory at 10 krad/s speed, in a 50-Gsymbol/s,4-bit/symbol realtim...
Wide Dynamic Range OSNR Monitoring for RZ-DQPSK Systems using Delay-Tap Sampling Technique
Fiber optics communications Fiber optics links subsystems
2015/6/5
We propose half-symbol delay-tap sampling for OSNR monitoring and extend the monitoring range to 5−45 dB. The proposed method also enables calibration-free monitoring with range of 16−43 d...
A Scheme for Improving the Performance of 100-Gb/s Polarization-Multiplexed RZ33 DQPSK Signals Using the Phase Regenerator and PMD compensator
Fiber optics communications Phase modulation Polarization
2015/6/4
We proposed a scheme of combination of phase regenerator and PMD compensator to the 100-Gbit/s Polarization-Multiplexed DQPSK System to improve its tolerance to PMD. The system performance is effectiv...
FWM-based All-Optical Phase Drop for Format Conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK
Phase Drop Format Conversion RZ-DQPSK RZ-DPSK
2015/7/20
We experimentally demonstrated format conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK through the proposed all-optical phase drop scheme. It can be applied to drop a binary tributary from a mult...
Wide Range Over 20 dB Output Power Control Using Semiconductor Optical Amplifier for 43.1 Gbps RZ-DQPSK Signal
Output Power Control Semiconductor Optical Amplifier RZ-DQPSK Signal
2015/7/15
The performance of injection-current-controlled SOA as output power control device for 43.1 Gbps RZ-DQPSK signal was experimentally investigated. Output power control range over 20 dB, from absorption...
All-optical Combination of DPSK and OOK to 320-Gb/s DQPSK Signal Using Fiber-based Signal Processors
All-optical Combination OOK QPSK Signal Fiber-based Signal Processors
2015/7/15
All-optical combination of 160-Gb/s DPSK and OOK signals into a 320-Gb/s DQPSK signal is demonstrated using highly-nonlinear fibers. A polarization-insensitive optical parametric limiter enabled error...
Simultaneous WDM-DQPSK Demodulation With a Single AWG
Simultaneous WDM-DQPSK Demodulation Single AWG
2015/7/15
We experimentally demonstrate simultaneous demodulation of wavelength division multiplexed (WDM)DQPSK signals with a single arrayed waveguide grating (AWG). We then compare this receiver to the conven...
Precise Analysis of Transmission Impairments of Pol-Mux 110Gb/s RZ-DQPSK with Automatic Pol-Dmux using Straight 2,000-km SMF Line
Transmission Impairments Automatic Pol-Dmux
2015/7/31
Transmission of Pol-Mux 110Gb/s RZ-DQPSK signal with automatic Pol-Dmux at receiver over straight 2,000-km SMF line with +3dBm/ch shows that the performance is mainly governed by OSNR and PMD.
A Stratified Sampling Monte Carlo Algorithm for Efficient BER measurement and its Application to DQPSK Terrestrial Systems
Monte Carlo Algorithm Efficient BER measurement DQPSK Terrestrial Systems
2015/7/31
We propose an efficient stratified sampling algorithm for BER estimation and apply it to FEC-coded DQPSK systems. We measured computational savings up to 70% compared with standard Monte Carlo.
53.5 GHz Monolithically Integrated Pulse Source for 107 Gb/s RZ-DQPSK Transmission
Monolithically Integrated Pulse Source RZ-DQPSK Transmission
2015/7/31
We present a 53.5GHz monolithic pulse source, applied as transmitter in a single-channel, 107Gb/s RZ-DQPSK system with 100GHz filtering. Error-free transmission over 480km was demonstrated.