搜索结果: 1-15 共查到“光纤光学及技术 Signal over”相关记录15条 . 查询时间(0.078 秒)
Power-Efficient Photonic BPSK Coded Ultrawideband Signal Generation
Fiber optics optical communications Radio frequency photonics
2015/5/22
We experimentally demonstrate a power-efficient BPSK coded ultrawideband(UWB) signal generator. The 2.5 Gb/s BPSK coded signal is achieved through optical switching based on two intensity modulators d...
Generation of 5-Gbps QPSK Signal using Directly Modulated RSOA for 100-km Coherent WDM PON
Fiber optics links subsystems Coherent communications
2015/5/22
We generate the QPSK signal by utilizing the chirp characteristics of the directly modulated RSOA for the high-speed coherent WDM PON. In addition, we demonstrate the error-free transmission of the 5-...
Using Dispersion in a Fiber-Optic Loop to Perform Time Domain Analogue RF Signal Auto-Correlation
Using Dispersion Fiber-Optic Perform Time Domain Analogue RF Signal Auto-Correlation
2015/5/22
We present an RF-photonic time-domain auto-correlator using a dispersion-induced stepped-time-delay of the modulation sidebands produced by a fiber optic recirculation loop circuit. This allows spectr...
Generation of 432Gb/s Single-carrier Optical Signal by Format Conversion from QPSK to 16QAM
Fiber optical communications Fiber optics links subsystems
2015/5/21
We have proposed and experimentally demonstrated the generation of 432Gb/s (54Gbaud PM-16QAM) single-carrier optical signal by format conversion from QPSK to 16QAM.
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...
Experimental Demonstration of 8-Fold Multicasting of a 100 Gb/s Polarization-Multiplexed OOK Signal using Highly Nonlinear Fiber
All-Optical Devices Nonlinear Optics Four-Wave Mixing
2015/6/10
We experimentally demonstrate 8-fold multicasting of a 100 Gb/s polarization-multiplexed RZ-OOK data signal to 200 GHz spaced copies using a highly nonlinear fiber. Degenerate four-wave mixing in a bi...
A WDM-PON Optical Multicast Overlay Scheme Using Inverse-RZ-Duobinary Signal
Fiber optics communicat ions Modulation Systems
2015/6/8
We propose and demonstrate optical multicast overlay on WDM-PON employing bandwidth efficient Inverse-RZ-duobinary signal. Multicast overlay control is realized by tuning the bias at the point-to-poin...
Vector Signal Transmission in Radio-Over-Fiber Link Employing Optical Multi-Sidebands Modulation Scheme
Fiber optics communications Radio frequency photonics
2015/6/5
We propose theoretically and experimentally demonstrate a radio-over-fiber link employing optical multi-sidebands modulation to transmit vector signals, with the advantages of overcoming dispersion-in...
21.4 GS/s Real-Time DSP-Based Optical OFDM Signal Generation and Transmission Over 1600 km of Uncompensated Fibre
Real-Time DSP-Based Optical OFDM Signal Generation Transmission Over Uncompensated Fibre
2015/7/20
We report a real-time optical OFDM transmitter with the highest sampling rate to date. Generation and transmission of an 8.36Gb/s digitally up-converted single sideband OFDM signal over 1600km of unco...
In-service Monitoring of PMD Induced Optical Signal Degradation Using SOP Vector Trajectory on the Poincare Sphere for High-Speed Reconfigurable Optical Networks
PMD Induced Optical Signal Degradation SOP Vector Trajectory Poincare Sphere High-Speed Reconfigurable Optical Networks
2015/7/20
We studied an in-service signal quality estimation method by using wavelength resolved SOP vector trajectories on Poincare Sphere and successfully distinguished PMD induced signal degradation with suf...
Spectrally Efficient Simultaneous Delivery of 112Gbps Baseband Wireline and 60 GHz MM-Wave Carrying 10Gbps Optical Wireless Signal in Radio-over-Fiber WDM-PON Access Systems
Spectrally Efficient Radio-over-Fiber WDM-PON Access Systems
2015/7/15
For the first time, we demonstrate a novel scheme to deliver 112Gbps PolMux-RZ-QPSK baseband and 10Gbps optical wireless signals at 60GHz millimeter-wave in downstream links and 10Gbps centralized lig...
Simultaneous Implementation of Photonic OR and AND Logic Gates for CSRZ-OOK Signal Using Four-Wave Mixing (FWM) in a Highly Nonlinear Photonic Crystal Fiber (HNL-PCF)
Simultaneous Implementation Photonic OR Highly Nonlinear Photonic Crystal Fiber
2015/7/15
A simultaneous implementation of photonic OR and AND logic gates for 10-Gb/s CSRZ-OOK signal is demonstrated using FWM in a 60-meter HNL-PCF. The logic integrity and system performance are experimenta...
Experimental comparison between optimized fiber Bragg grating and delay-line interferometer for DPSK signal demodulation
between optimized fiber Bragg delay-line interferometer DPSK signal demodulation
2015/8/4
10Gb/s DPSK demodulation effectiveness of a suitably-designed FBG structure is compared with the performance achieved by a compact integrated-optic MZDI. BER measures versus operation stability are re...
Effective Negative Nonlinearity of a Nonlinear Amplifying Loop Mirror for Compensating Nonlinearity-Induced Signal Distortions
Effective Negative Nonlinearity Nonlinear Amplifying Compensating Nonlinearity-Induced Signal Distortions
2015/8/3
Conditions for realizing effective negative nonlinearity using a NALM are analyzed. Efficient compensation of SPM-induced nonlinear phase noise in a 100Gb/s DPSK system is confirmed in numerical simul...
Transmission of 40-Gbit/s 16-QAM Signal over 100-km Standard Single- mode Fiber using Digital Coherent Optical Receiver
Transmission Signal over Standard Single- mode Fiber Digital Coherent Optical Receiver
2015/7/31
We demonstrate 100-km transmission of a 40-Gbit/s 16-QAM signal using a digital coherent receiver. The receiver sensitivity of -30 dBm is obtained at BER=10 -5