搜索结果: 1-13 共查到“光信息技术 Modulator”相关记录13条 . 查询时间(0.171 秒)
We experimentally demonstrate a simultaneous generation of baseband (BB) and RF signals, using only one single-electrode Mach–Zehnder modulator (SD-MZM) based
on double-sideband with optical carrier ...
Generation of optical millimeter-wave (mm-wave) signal using a Mach–Zehnder modulator (MZM) based on double-sideband (DSB), single-sideband (SSB), and double-sideband with carrier suppression (DSBCS) ...
SOA/REAM as Vector Modulator for QAM Upstream
Fiber optics communications Modulation Semiconductor optical amplifiers
2015/5/21
Simultaneous encoding of information in the optical phase and amplitude for upstream transmission is demonstrated with an integrated SOA/REAM of small form factor. The crosstalk penalties between the ...
28-Gbaud InP Square or Hexagonal 16-QAM Modulator
28-Gbaud InP Square Hexagonal 16-QAM Modulator
2015/5/20
We demonstrate a monolithic InP modulator that produces 28-Gbaud (112 Gb/s) square or hexagonal 16-QAM using four integrated amplitude/phase modulators. We achieve bit-error rates of 2.7×10 -3 and 3.8...
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...
2.1-Tb/s·km OFDM Long-Reach PON Transmission using a Cost-Effective Electro-Absorption Modulator
2.1-Tb/s·km OFDM Long-Reach PON Transmission Cost-Effective Electro Absorption Modulator
2015/5/20
We experimentally demonstrate a superior performance of 2.1-Tb/s·km OFDM-signal transmission over 100-km long-reach PONs, which is achieved by using an EAM and direct-detection, and adopting the 128-Q...
10Gb/s Silicon Modulator Based on Bulk-Silicon Platform for DRAM Optical Interface
Silicon Modulator Bulk-Silicon DRAM Optical Interface
2015/5/15
We present 10Gb/s silicon Mach-Zehnder modulators fabricated on a bulk silicon wafer.10Gb/s data transmission with extinction ratio of >9dB at de-emphasis level of 12dB is successfully demonstrated.
Double Pulse Pumping on All-Optical Sampling Using Electroabsorption Modulator
Nonlinear optical signal processing Semiconductor nonlinear optics including MQW Fiber optics communications
2015/6/10
Double-pulse pumping improves the temporal resolution of cost-effective all-optical sampling using an electroabsorption modulator. A shortened sampling gate width was demonstrated using two double-pul...
Secure Optical Communication Using Single Phase Modulator for Bit-by-bit Code Scrambling and DPSK Data Modulation
Fiber optics communications Optical security and encryption Phase modulation
2015/6/9
We proposed a novel bit-by-bit code-hopping scheme using single phase modulator for secure optical communication and experimentally demonstrated the transmission of 2.5Gbps DPSK data secured by scramb...
M-PSK Versatile Modulation using a Single-electrode Straight-line Phase Modulator and Digital Signal Processing for ISI-suppression
Coherent communications Fiber optics communications
2015/6/5
BPSK, QPSK, and 8-PSK modulation/demodulation was experimentally demonstrated using only a single-electrode straight-line phase modulator for the first time. ISI caused by the modulation was compensat...
A Novel Carrier-Eliminated Optical Millimeter-Wave Generation Using a Single Over-Driven Phase Modulator
Networks Optical communications
2015/6/4
A carrier-eliminated 40-GHz optical mm-wave generated by over-driving a phase modulator is first proposed. Error-free transmission over 10-km SMF-28 and 3-m wireless is successfully demonstrated with ...
Multi-channel return-to-zero signal regeneration using a single phase modulator and an AWG
Fiber optics communications Signal regeneration
2015/6/4
We demonstrate multi-channel RZ signal regeneration based on a phase-modulator and an AWG. BER improvements for 8 10Gb/s channels after 450km transmission demonstrate that regeneration with timing jit...
Characterization of Programmable Phase Modulator with Polarization Quadrature Interferometer
PPM MCAO PAL_SLM
2011/4/20
The purpose of this master project is to characterize the Programmable Phase Modulator (PPM) made by Hamamatsu Photonics and use it as a deformable mirror to test the principles of Multi-Conjugate Ada...