搜索结果: 1-15 共查到“光电子技术 DPSK”相关记录29条 . 查询时间(0.14 秒)
A Novel 1×N Demodulator for Both DPSK and DQPSK Formats
Fiber optics and optical communications Fiber optics communications
2015/5/26
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...
320 Gbps DPSK transmitter and self-tracked receiver based on four-wave mixing
Fiber devices and optical amplifiers Nonlinear optics four-wave mixing Fiber optics communications
2015/5/26
A novel RZ differential phase-shift keyed transmitter and self-tracked receiver based on cavity-less pulse generation and four-wave mixing for data rate of 320 Gb/s. The performance was quantified wit...
SOA-based OTDM-DPSK Demultiplexing Assisted by Offset-Filtering
Nonlinear optical signal processing Semiconductor optical amplifiers
2015/5/25
We demonstrated for the first time 80 to 40 Gb/s OTDM-DPSK demultiplexing using a single SOA assisted by offset-filtering. Error free performance is achieved with an average power penalty of 5.5 dB.
Demonstration of Cascadability and Phase Regeneration of SOA-Based All-Optical DPSK Wavelength Converters
Wavelength conversion devices Semiconductor optical amplifiers
2015/5/22
We experimentally demonstrate cascadable regeneration of 10Gb/s DPSK signals by using a two-fold cascade of SOA-based wavelength converters. No additional power penalty and 3dB OSNR improvement are ob...
Optical ASK-DPSK and QAM Signal Generation Using FWM in High Nonlinearity Fiber (HNLF)
Optical ASK-DPSK QAM Signal Generation FWM High Nonlinearity Fiber (HNLF)
2015/5/20
As a modulation-format transparent nonlinear process, FWM is capable of generating complex optical signal constellations. In experiments and simulations, optical ASK-DPSK and 8-QAM signals are generat...
Full C-band 40-Gbit/s DPSK Tunable Transmitter Module Developed by Hybrid Integration of Tunable Laser and InP n-p-i-n Mach-Zehnder Modulator
Modulators Integrated optics devices
2015/6/10
A 40-Gbaud tunable transmitter module was developed for the first time by the hybrid integration of a full C-band tunable laser and an InP Mach-Zehnder modulator. Wavelength-tunable chirpless 40-Gbit/...
Polarization-Insensitive Wavelength Multicasting of RZ-DPSK Signal Based on Four-Wave Mixing in a Photonic Crystal Fiber with Residual Birefringence
Networks multicast Phase modulation Nonlinear optics four-wave mixing Photonic crystal fibers
2015/6/10
We demonstrate polarization-insensitive wavelength multicasting of RZ-DPSK signal. The input signal is copied to four different wavelengths using four-wave mixing with unequally spaced pumps in a disp...
1.28 Tb/s Wavelength Conversion for Polarisation Multiplexed RZ-DPSK Signals
Fiber optics communications Wavelength conversion devices
2015/6/10
All-optical wavelength conversion for single wavelength channel 1.28-Tb/s polarisation multiplexed RZ-DPSK signals was demonstrated using a 100-m polarisation-maintaining highly nonlinear fibre (PM-HN...
BER Improvement for RZ-DPSK Receivers Using Saturated Asymmetric Filtering
Semiconductor optical amplifiers input BER demonstrated Phase modulation
2015/6/9
We present a new enhanced receiver for noise degraded RZ-DPSK signals. A highly saturated SOA and a detuned filter are used. An error free detection for an 8 × 10 -6 input BER is demonstrated.
Nonlinear Limitations in a Joint Transmission of 100Gb/s O- OFDM and 40Gb/s DPSK over a 50 GHz Channel Grid
Coherent communications Optical communication
2015/6/9
We evaluate the nonlinearity impact of neighbouring DPSK DWDM channels on one 100 Gb/s PDM-OFDM channel. A new DSP-based SPM correction scheme enables complete compensation of the degradation of the n...
Impact of Pulse Shaping on the SPM Tolerance of Electronically Pre-compensated 10.7 Gb/s DPSK Systems
Fiber optics communications Modulation
2015/6/9
Pulse shaping for electronic pre-compensation systems using differential phase shift keying modulation is experimentally shown to provide a 1.9 dB increase of the nonlinearity threshold.
Phase-Transparent Optical Data Exchange of 40-Gbit/s DPSK Signals Using Four-Wave-Mixing in a Highly Nonlinear Fiber
Optical communications Frequency conversion
2015/6/8
We report the phase-transparent optical data exchange based on non-degenerate FWM in an HNLF via theoretical analysis and experimental verification. 40-Gbit/s NRZ-DPSK data exchange is demonstrated wi...
Phase-Incoherent DPSK Regeneration Using a Fiber-Sagnac Interferometer
Phase modulation Nonlinear optical signal processing
2015/6/8
We experimentally demonstrate for the first time phase-incoherent regeneration of DPSK signals based on fiber-Sagnac interferometer. Power penalty improvement of phase-, amplitude- and ASE-noise loade...
Phase-Preserving Amplitude Regeneration for RZ-DPSK Signals at 42.7 Gbit/s using Saturable Absorber
Optical communications Semiconductor nonlinear optics
2015/6/8
We experimentally evaluate a novel all-optical phase-preserving amplitude regeneration technique for RZ-DPSK signals using saturable absorber. The device’s capacity for amplitude noise reduction, henc...
Bit-Rate Tunable Clock Recovery of NRZ-DPSK Signal Based on Delay-Asymmetric Nonlinear Loop Mirror and Stimulated Brillouin Scattering Loop
Nonlinear optical signal processing Scattering stimulated Brillouin Nonlinear optics four-wave mixing
2015/6/8
We demonstrate bit-rate tunable clock recovery of NRZ-DPSK signal. The signal is converted to RZ-OOK by demodulation and by phase erasure. Recovered clock signals from 4 to 13 GHz are obtained through...