搜索结果: 1-15 共查到“光电子技术 Signal over”相关记录49条 . 查询时间(0.055 秒)
RADIO-OVER-FIBER (ROF) systems have attracted much interest for potential use in future broadband wireless communications. Essential to ROF systems is the ability to generate and transmit optical radi...
A Prototype of Signal Degradation Monitor Based on Wavelength Resolved Stokes Vector Analysis Featuring a Function of Identification of the Cause of Degradation
Optical communications Networks
2011/5/26
We resolved signal degradations due to DGD and OSNR from a single monitor source.We verified a precision of +/-0.2dB of Q-value experimentally with a monitor prototype and 160Gb/s signal.
Dual Pump Wave Generation from NRZ-ASK Signal Enabling a “Black-Box” Phase Sensitive Amplifier
Fiber optics amplifiers and oscillators Nonlinear optics parametric processes Lasers injection-locked
2011/5/26
We present a phase locking scheme that enables the demonstration of the first black-box dual pump degenerate phase sensitive amplifier for 10 Gbit/s NRZ-ASK signals.
Optical Modulation Signal Enhancement Using a Phase Sensitive Amplifier
Fiber optic amplifiers oscillators Nonlinear optics parametric processes
2011/5/26
We propose and demonstrate the use of a PSA as a modulation signal enhancer for the first time. It can generate both phase- and amplitude modulated signals from low-extinction inputs.
OSNR monitoring of a 1.28 Tbit/s signal using a reconfigurable Wavelength Selective Switch
OSNR monitoring reconfigurable Wavelength Selective Switch
2011/5/25
We demonstrate in-band optical signal to noise monitoring of an 1.28 Tbit/s signal by implementing an interferometer inside a reconfigurable wavelength selective switch based on liquid crystal on sili...
Power-Efficient Photonic BPSK Coded Ultrawideband Signal Generation
Fiber optics optical communications Radio frequency photonics
2011/5/22
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
2011/5/22
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
2011/5/22
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...
We review some of the issues involved in using different plasmonic guided-wave structures for modulation, switching and filtering.
Generation of 432Gb/s Single-carrier Optical Signal by Format Conversion from QPSK to 16QAM
Fiber optical communications Fiber optics links subsystems
2011/5/21
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.
First Demonstration of Symmetric 10-Gb/s Access Networks Architecture based on Silicon Microring Single Sideband Modulation for Efficient Upstream Signal Re-modulation
Fiber optics communications Integrated optics devices
2011/5/21
We demonstrate an optical access network utilizing downstream silicon microring single-sideband modulation and upstream phase-remodulation of a centrally distributed carrier. Rayleigh-backscattering i...
Multi-band 16QAM-OFDM Vector Signal Delivery over 60-GHz DSB-SC Optical Millimeter-Wave through LO Enhancement
Multi-band 16QAM-OFDM Vector Signal Delivery 60-GHz DSB-SC
2011/5/21
For the first time, multi-band vector signal delivery over DSB-SC RoF system generated via single-stage optical upconversion has been accomplished through LO power enhancement, and was successfully de...
Signal Chirp Design for Suppression of Nonlinear Polarization Scattering in DP-QPSK Transmission
Signal Chirp Design Suppression Nonlinear Polarization Scattering DP-QPSK Transmission
2011/5/21
We analyze chirp techniques for suppression of nonlinear effects in DP-QPSK transmission. Simulations reveal that a significant reduction in nonlinear polarization scattering can be achieved by proper...
Analog Signal Performance of a Hollow-Core-Waveguide using High-Contrast-Gratings
Analog Signal Performance Hollow-Core-Waveguide High-Contrast-Gratings
2011/5/21
On-chip analog signal performance of high-contrast-grating hollow-core-waveguide is evaluated. SFDR of >100 dB can be achieved for IM3 over a wide RF frequency range of 80 GHz and optical wavelength b...
Ultra-Stable Radar Signal from a Photonics-Assisted Transceiver Based on Single Mode-Locking Laser
Ultra-Stable Radar Signal Photonics-Assisted Transceiver Based Single Mode-Locking Laser
2011/5/20
A novel RF-generating scheme exploits a commercial optical I/Q modulator to allow using a single mode-locking laser for both radar transmitter and receiver, making the solution attractive for immediat...