搜索结果: 1-15 共查到“signal generation”相关记录16条 . 查询时间(0.062 秒)
This investigation demonstrates the generation of OFDM-RoF signal using frequency doubling technique for the first time, to the author’s best knowledge. The 4-Gb/s OFDM signal using 16-QAM format modu...
This letter demonstrates a novel method to generate high-purity optical millimeter-wave signals with carrier suppression by using a frequency quadrupling technique. To the authors’ knowledge, this is ...
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...
An Optical Fibre Pulse Rate Multiplier for Ultra-low Phase-noise Signal Generation
Optical Fibre Ultra-low Phase-noise Signal
2011/9/6
In this letter we report on an all optical-fibre approach to the synthesis of ultra-low noise microwave signals by photodetection of femtosecond laser pulses. We use a cascade of Mach-Zehnder fibre in...
5 Gbps IR-UWB Signal Generation and Fiber Transmission Based on Optical Pulse Compression
Radio frequency photonics Optical communications
2015/5/22
Tunable optical pulse compression is proposed to generate the FCC compliant impulse radio utra-wideband (IR-UWB) pulses with high speed modulation. Experimental generation and transmission of up to 5 ...
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...
Demonstration of 50 Gbit/s 16QAM Signal Generation by Novel 16QAM Generation Method using a Dual-Drive InP Mach-Zehnder Modulator
Modulators Phase modulation
2015/5/20
We propose a novel 16QAM signal generation method using a single Mach-Zehnder modulator. We successfully demonstrate 50 Gbit/s 16QAM signal generation with a dual-drive npin InP Mach-Zehnder modulator...
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...
112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5GHz WDM grid
Coherent communications Fiber optics communications.
2015/6/8
By employing a novel scheme we have generated 112.8-Gb/s polarization-multiplexed (PM)-RZ-64QAM optical signal. Transmission of 112.8-Gb/s PM-RZ-64QAM optical signal over 2×40km of SSMF has been demon...
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...
W-band 3.75-Gb/s 8PSK Wireless Signal Generation and Transmission via Optical Frequency Octupling and Bias Modulation of NBUTC-PD with Feed-Forward Equalizer
Wireless Signal Generation Optical Frequency Octupling NBUTC-PD Feed-Forward Equalizer
2015/7/17
Generation and transmission of a wireless W-band 8PSK signal with 3.75-Gb/s data rate are experimentally demonstrated. The W-band carrier is generated from millimeter-wave generation with frequency oc...
High-speed DBPSK signal generation by low-Vπ modulator using thin LiNbO 3 substrate
DBPSK signal generation modulator LiNbO 3 substrate
2015/7/17
We demonstrated 100-Gb/s DBPSK signal generation by using a thin-LiNbO 3 -substrate modulator. The low Vπ and the reduction in the propagation loss of electrodes helps realize high-speed PSK operation...
13.75-Gb/s OFDM Signal Generation for 60-GHz RoF System within 7-GHz License-Free Band via Frequency Sextupling
OFDM Signal Generation License-Free Band Frequency Sextupling
2015/7/15
A 60-GHz RoF system with frequency sextupling is experimentally demonstrated. Based on modified SSB, a 13.75-Gb/s OFDM signal is generated within the 7-GHz license-free band. No penalty is observed af...
Optical OFDM Signal Generation by Optical Phase Modulator and Its Application in ROF System
Optical OFDM Signal Optical Phase Modulator ROF System
2015/7/15
We have demonstrated optical OFDM signal generation by an optical phase modulator and applied it in a 40GHz ROF symmetric system. The power penalty for the downlink data after transmission over 50km S...
All-optical Vestigial-Sideband Signal Generation and Pattern Effect Miti- gation with an SOA Based Red-Shift Optical Filter Wavelength Converter
All-optical Vestigial-Sideband Signal SOA Based Red-Shift Optical Wavelength Converter
2015/8/3
We demonstrate 40 Gb/s SOA-based wavelength conversion from a RZ into a vestigial-sideband RZ signal. SOA related pattern effects are successfully suppressed by proper choice of the red-shift optical ...