Demonstration of 48-Gb/s 16-QAM signal transmission using half cycle sub-carrier modulation in intensity modulation/direct detection system

2015 ◽  
Vol 334 ◽  
pp. 228-234 ◽  
Author(s):  
Jin Tang ◽  
Jing He ◽  
Ming Chen ◽  
Danyu Li ◽  
Lin Chen
Keyword(s):  
Direct Detection ◽  
Detection System ◽  
Signal Transmission ◽  
Intensity Modulation ◽  
Half Cycle

A bandwidth-enhanced polarization division multiplexed intensity modulation-direct detection system utilizing a dual polarization-DPMZM

2019 ◽  
Vol 53 ◽  
pp. 102042
Author(s):  
Mengyao Han ◽  
Muguang Wang ◽  
Naihan Zhang ◽  
Hongqian Mu ◽  
Beilei Wu ◽  
...  
Keyword(s):  
Direct Detection ◽  
Detection System ◽  
Intensity Modulation ◽  
Dual Polarization

Unique Word DMT Schemes for Optical Systems With Intensity Modulation and Direct Detection

2017 ◽  
Vol 35 (18) ◽  
pp. 3862-3869 ◽  
Author(s):  
Sher Ali Cheema ◽  
Emilio Rafael Balda ◽  
Mike Wolf ◽  
Martin Haardt
Keyword(s):  
Direct Detection ◽  
Intensity Modulation ◽  
Optical Systems ◽  
Unique Word

Direct Detection System forEscherichia coliUsing Au–Ag Alloy Microchips

2013 ◽  
Vol 52 (22) ◽  
pp. 7282-7288 ◽  
Author(s):  
Wan-Joong Kim ◽  
Sanghee Kim ◽  
Ae Rhan Kim ◽  
Dong Jin Yoo
Keyword(s):  
Direct Detection ◽  
Detection System

scholarly journals GEM-Based Detectors for Direct Detection of Low-Mass WIMP, Solar Axions and Narrow Resonances (Quarks)

2021 ◽  
Author(s):  
Victor Parusov ◽  
Boris Ovchinnikov
Keyword(s):  
Direct Detection ◽  
Detection System ◽  
Beta Particle ◽  
Gaseous Mixtures ◽  
Low Mass ◽  
Nonzero Spin ◽  
Time Projection ◽  
First Time ◽  
Solar Axions ◽  
Low Mass Wimp

Gas electron multipliers (GEMs) with wire (WGEMs) or metal electrodes (MGEMs), which don’t use any plastic insulators between electrodes are created. The chambers containing MGEMs (WGEMs) with pin-anodes are proposed as detectors for searching of spin-dependent interactions between Dark Matter (DM) particles and gases with nonzero-spin nuclei (H2, D2, 3He, 21Ne, CF4, CH4, etc.). In this paper, we present a review of such chambers. For investigation of the gas mixtures Ne+10%H2, H2 (D2) +3ppmTMAE, the chamber containing WGEM with pin-anode detection system was constructed. In this paper we present the results of an experimental study of these gaseous mixtures exited by an α - source. Mixture of Ar + 40 ppm C2H4 and mixture 50% Xe + 50%CF4 have been investigated. The spatial distributions of photoelectron clouds produced by primary scintillations on α- and β-particle tracks, as well as the distributions of photoelectron clouds due to photons from avalanches at the pin-anode, have been measured for the first time. In our experiments as another filling of the chambers for search of low-mas WIMP (<10 GeV/c2), solar neutrino and solar axions with spin-dependent interaction we propose to use the mixtures: D2 + 3ppmTMAE, 3He + 3%CH4, 21Ne + 10%H2, at pressure 10-17 bar. And in our experiment with liquid gases is used the mixtures with 19F (LAr + CF4, LXe + CF4) and mixture LCH4 + 40ppm TMAE. The time projection chamber (TPC) with the mixture D2 + 3ppmTMAE filling allow to search of spin-dependent interactions of solar axions and deuterium. As well as we present the detecting systems for search of narrow pp-resonances (quarks) in accelerators experiments.

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