搜索结果: 1-15 共查到“光学工程 DQPSK”相关记录49条 . 查询时间(0.101 秒)
A Novel 1×N Demodulator for Both DPSK and DQPSK Formats
Fiber optics and optical communications Fiber optics communications
2011/5/26
A 1×N demodulator for both DPSK and DQPSK formats is proposed in this paper.The PDFS of such demodulator is less than 300MHz, through introducing LC phase retarder,fast tuning time of 50ms is realized...
2.3-Tbit/s (23 X 100-Gbit/s) RZ-DQPSK Grooming Switch (Simultaneous Add/Drop, Data Exchange and Equalization) Using Double-Pass LCoS and Bidirectional HNLF
Fiber optics communications Nonlinear optics four-wave mixing
2011/5/22
We present a 2.3-Tbit/s network switching element by exploiting double-pass LCoS technology and bidirectional nonlinear effects inside a single HNLF. We demonstrate 2.3-Tbit/s grooming switch with sim...
80-Gbit/s DQPSK Optical Tapped-Delay-Line Equalization using Finely Tunable Delays, Phases and Amplitudes
Fiber optics links and subsystems Nonlinear wave mixing
2011/5/21
We experimentally demonstrate a tunable and reconfigurable optical tapped delay line using conversion dispersion based delays with optical multicasting and multiplexing. After equalization, at BER of ...
Generation of 20-Gb/s RZ-DQPSK Signal using a Directly Modulated Chirp Managed Laser
Generation RZ-DQPSK Signal Directly Modulated Chirp Managed Laser
2011/5/21
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
2011/5/21
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 ...
Over 1-Tbit/s/port Polarization-Multiplexed DWDM/DQPSK Optical Packet Switching and Buffering
Over 1-Tbit/s/port Polarization-Multiplexed DWDM/DQPSK Optical Packet Switching Buffering
2011/5/20
We demonstrate 1.2-Tbit/s/port polarization-multiplexed optical packet (20 Gbit/s DQPSK × 30λ × 2 Polarization) switching and buffering. Our optical packet switch system with low polarization dependen...
40G RZ-DQPSK Transmitter Monolithically Integrated with Tunable DFB Laser Array and Mach-Zehnder Modulators
40G RZ-DQPSK Transmitter Monolithically Integrated Tunable DFB Laser Array Mach-Zehnder Modulators
2011/5/20
A 40G RZ-DQPSK transmitter monolithically integrated with a tunable DFB laser array and Mach-Zehnder modulators was developed for the first time. The optical waveform of 40Gb/s DQPSK was successfully ...
All-optical phase-preserving amplitude regeneration of 28- Gbaud RZ-DQPSK signals with a microcavity saturable absorber in a recirculating loop experiment
All-optical phase-preserving amplitude regeneration 28- Gbaud RZ-DQPSK signals microcavity saturable absorber recirculating loop experiment
2011/5/20
Microcavity Saturable absorber is used for phase-preserving amplitude regeneration of RZ-DQPSK signals. The regenerator is assessed in a 28 Gbaud recirculating loop showing system tolerance to nonline...
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
Impact of PMD and Nonlinear Phase Noise on the Global Optimization of DPSK and DQPSK Systems
Optical communications Phase modulation Nonlinear optics fibers
2010/6/10
Usingaglobaloptimizationalgorithm,wemaximizethereachofDPSKandDQPSKsys-tems including PMD and nonlinear phase noise at data rates ranging from 5Gbit/s to 230Gbit/s.
All-Optical Wavelength Conversion of 56 Gbit/s NRZ- DQPSK Signals in Silicon-Organic Hybrid Strip Waveguides
Wavelength conversion devices Harmonic generation mixing
2010/6/9
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
2010/6/8
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
2010/6/8
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...