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20-Gb/s Error-Free Wireless Transmission Using Ultra-Wideband Photonic Transmitter-Mixer Excited with Remote Distributed Optical Pulse Train
Photodiodes Radio frequency photonics
2015/5/26
Photonic transmitter-mixers with ultra-wide O-E/modulation bandwidths excited by remote-distributed pulse trains for 20Gbps error-free wireless transmission is presented. The S/N ratios and output pow...
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 ...
437 GHz Optical Pulse Train Generation from a C-Band InAs/InP Quantum Dot Laser
Lasers pulsed Quantum-wel dot devices
2015/5/22
We demonstrate 437 GHz optical pulse train generation based on grating coupled external cavities using InAs/InP quantum dots as the gain material. It is the highest repetition rate ever produced by QD...
All-Order Polarization Mode Dispersion (PMD) Compensation in 10Gbit/s×4 OTDM System via Hyperfine Resolution Optical Pulse Shaper
Fiber Optics Communications Polarization Fiber optics components Fiber optics sensors
2015/6/8
We experimentally demonstrate optical compensation of all-order polarization mode dispersion with >50ps mean differential group delay in a 10Gbit/s×4 OTDM system using an optical pulse shaper with 1.6...
Time lens for Sub-picosecond Optical Pulse Measurement on a Chip
Glass waveguides Nonlinear optics four-wave mixing Nonlinear optical materials Integrated optics materials
2015/6/8
We demonstrated subpicosecond temporal optical imaging based on four wave mixing temporal to frequency domain conversion in a CMOS compatible, high index glass waveguide.
Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding
Fiber optics sensors Scattering Brillouin Scattering Raman
2015/6/8
Pulse coding techniques are proposed in combination with the use of Fabry-Perot lasers for simultaneous strain and temperature sensing based on hybrid spontaneous Raman-Brillouin scattering.Combinatio...
Enhanced long-range distributed strain and temperature sensing using BOTDA and optical pulse coding
Enhanced long-range distributed strain temperature sensing BOTDA optical pulse coding
2015/7/20
Optical pulse coding is successfully applied to long-range sensors based on Brillouin optical time domain analysis, achieving a record of 1 meter spatial resolution over 50 km of SMF with 2.2°C / 44 μ...
Wavelength-tunable ultrashort optical pulse generation using Mach- Zehnder-modulator-based flat comb generator
Wavelength-tunable optical pulse Mach- Zehnder-modulator comb generator
2015/8/4
Broadband wavelength tunable femtosecond pulse generation has been demonstrated using a Mach-Zehnder-modulator-based comb generator. 200fs, 10GHz pulses were generated in the wavelength range of 1545 ...
Optical Pulse Shaping for Ultrahigh-Bit-Rate Telecom Applications based on III-V Integrated Waveguide Bragg Grating
Optical Pulse Shaping Ultrahigh-Bit-Rate Telecom Applications III-V Integrated Waveguide Bragg Grating
2015/8/4
We introduce a general linear pulse-shaping approach based on III-V integrated single-waveguide Bragg gratings for synthesizing arbitrary complex waveforms with (sub-)picosecond resolutions. Pulse cod...
Optical Pulse Coding Applied to Distributed Temperature Sensor Using Coherent Detection of Spontaneous Brillouin Frequency Shift
Optical Pulse Coding Applied Distributed Temperature Sensor Spontaneous Brillouin Frequency Shift
2015/8/3
A 53-km Simplex-coded distributed temperature sensor based on coherent detection of Brillouin frequency shift is demonstrated with 1.1 K and 35 m resolutions, using only 10 mW input peak power.
Programmable all-fibre optical pulse shaper based on time-domain binary phase-only linear filtering
Programmable all-fibre optical pulse shaper time-domain binary phase-only linear filtering
2015/7/31
We demonstrate an all-fibre time-domain phase-only filtering system for arbitrary temporal optical pulse shaping, which is programmable using electro-optic phase modulator driven by a binary signal.
Generation of 10-GHz 2-ps optical pulse train over the C band based on an optical comb generator and its application to 160-Gbit/s OTDM systems
optical pulse train over optical comb generator application OTDM systems
2015/7/31
We demonstrate stable generation of a 10-GHz 2-ps optical pulse train from 1530 to 1555 nm based on an optical comb generator. Such pulse train is multiplexable to 160 Gbit/s.