搜索结果: 1-15 共查到“光学仪器及技术 transmission”相关记录32条 . 查询时间(0.109 秒)
Transmission Characteristics of Tuneable Optical Filters Using Optical Ring Resonator with PCF Resonance Loop
Optical Ring Resonator Photonic Crystal Fiber Tuneable Optical Filter Optical Fiber
2011/12/5
A theoretical analysis of a tuneable optical filter is presented by proposing an optical ring resonator (ORR) using photonic crystal fiber (PCF) as the resonance loop. The influences of the characteri...
Initialization characteristics and their effects on the erasability of phase change optical disks using transmission electron microscopy
phase change optical disks initialization mark characteristics erasability transmission electron microscopy
2011/11/30
We investigated the microstructure of phase change optical disks subjected to various initialization conditions using transmission electron microscopy (TEM). The effects of initialization powers on th...
Quantitative phase retrieval with a sub-100-nm resolution is achieved from micrographs of a zone plate based transmission x-ray microscope. A plastic zone plate containing objects of sizes from microm...
Frequency-Domain Equalization for Coherent Optical Transmission Systems
Coherent communications Fiber optics links subsystems
2011/5/26
Frequency-domain equalization (FDE) has been attracting much attention for high-speed long-haul transmission over fiber-optic channels. Two FDE configurations for coherent optical transmission are pre...
Parallel WDM Regenerative Waveform Conversion for Mixed NRZ and RZ Transmission Networks Using a SOA- Based Multiple Switching-Window Optical Gate
Fiber optics communications Optical processing devices
2011/5/25
We propose and demonstrate parallel regenerative waveform conversion with tunable pulsewidths using SOA-based multiple switching-window optical-gate (MW-OG). MW-OG based inline regenerations improve p...
Coherent Detection for 1550 nm, 5 Gbit/s VCSEL Based 40 km Bidirectional PON Transmission
Coherent Detection VCSEL Based Bidirectional PON Transmission
2011/5/22
Coherent detection of directly modulated 1550nm VCSELs in 5Gbit/s bidi-rectional 40km SSMF PON-links is presented. Receiver sensitivity of –37.3dBm after transmission is achieved with 30dB system marg...
Time-Interleaved Phase Remodulation to Enable Broadcast Transmission in Bidirectional WDM-PONs without Additional Light Sources
Time-Interleaved Phase Remodulation Enable Broadcast Transmission Bidirectional WDM-PONs without Additional Light Sources
2011/5/21
Time-interleaved phase remodulation is proposed to realize broadcast transmission for WDM-PONs. Simultaneous transmission of 5-Gb/s bidirectional unicast data and broadcast data is demonstrated at the...
Long-Distance Standard Single-Mode Fiber Transmission of 40-Gbit/s 16QAM Signal with Optical Delay-Detection and Digital Pre-Distortion of Chromatic Dispersion
Long-Distance Standard Single-Mode Fiber Transmission Optical Delay-Detection and Digital Pre-Distortion Chromatic Dispersion
2011/5/21
Dispersion pre-distorted 40-Gbit/s 16QAM transmissions over 800-km standard-single mode fiber(~13300 ps/nm) using delay detection is demonstrated with large tolerance to laser phase noise (1-MHz linew...
A Novel Dispersion and PMD Tolerant Clock Phase Detector for Coherent Transmission Systems
Novel Dispersion PMD Tolerant Clock Phase Detector Coherent Transmission Systems
2011/5/20
A novel clock phase detector is presented and shown to be tolerant to chromatic dispersion and PMD. The phase detector can be used in a clock recovery circuit for demodulation of 100 Gb/s coherent tra...
Coherent 40 Gb/s Transmission with High Spectral Efficiency Over Transpacific Distance
Coherent 40 Gb/s Transmission High Spectral Efficiency
2011/5/20
We experimentally study the reach of coherent 40 Gb/s PDM RZ QPSK transmission at several spectral efficiencies. Transpacific transmission distance at 3.2 bits/s/Hz and record SE-distance product at 2...
Experimental Demonstration of 16-QAM Transmission with a Single Dual-Drive Mach-Zehnder Modulator
Dual-Drive Mach-Zehnder Modulator 16-QAM Transmission
2011/5/15
10-Gbit/s 16-QAM transmission over 160 km with a single dual-drive Mach-Zehnder modulator was experimentally demonstrated. We achieved BER<10 -9 in a BtB condition and <10 -7 after the transmission. E...
Quantum critical coupling conditions for zero single-photon transmission through a coupled atom-resonator-waveguide system
Quantum critical coupling conditions zero single-photon transmission coupled atom-resonator-waveguide system
2010/8/10
The quantum critical coupling conditions, where single-photon transmission goes to zero, for systems of a coupled ring resonator and atom in a one-dimensional single-mode waveguide are discussed. The ...
Long-haul coherent QPSK transmission of 40G channels with 120% spectral efficiency using increased linearity dispersion map with 100km spans and EDFAs
fiber optics communications Coherent communications
2010/6/9
We study transmission of 40 Gb/s signals using coherent RZ-QPSK with and without polarization multiplexing using 100km large effective area fiber-spans and dual-stage EDFAs with mid-stage dispersion c...
Demonstration of 10Gbps, 4-user, OCDMA Transmission over 59km Single Mode Fiber without Inline Dispersion Compensation
Fiber optics communication Multiplexing
2010/6/9
Multi-user, 10Gbps, optical code division multiple access (OCDMA) transmission over 59 km of standard single mode fiber without inline dispersion compensation is experimentally demonstrated for the fi...
128 x 8 split and 60 km Long-reach PON Transmission using 27 dB-gain Hybrid Burst-mode Optical Fiber Amplifier and Commercial Giga-bit PON System
Optical communications Fiber optics amplifiers oscillators
2010/6/5
We demonstrate error free transmission of a 128 x 8 split and 60 km long-reach PON system over 12 hours; a loss budget of over 60-dB is achieved by combining a hybrid burst-mode optical fiber amplifie...