Virtual Carrier-Assisted Direct-Detection MB-OFDM Next-Generation Ultra-Dense Metro Networks Limited by Laser Phase Noise

2015 ◽  
Vol 33 (19) ◽  
pp. 4093-4100 ◽  
Author(s):  
Tiago M. F. Alves ◽  
Adolfo V. T. Cartaxo
Keyword(s):  
Phase Noise ◽  
Direct Detection ◽  
Next Generation ◽  
Virtual Carrier ◽  
Metro Networks

High Granularity Multiband OFDM Virtual Carrier-Assisted Direct-Detection Metro Networks

2015 ◽  
Vol 33 (1) ◽  
pp. 42-54 ◽  
Author(s):  
Tiago M. F. Alves ◽  
Luis M. M. Mendes ◽  
Adolfo V. T. Cartaxo
Keyword(s):  
Direct Detection ◽  
Virtual Carrier ◽  
Metro Networks ◽  
Multiband Ofdm

scholarly journals Relativistic impulse approximation in the atomic ionization process induced by millicharged particles

2021 ◽  
Vol 2021 (3) ◽  
Author(s):  
Chen-Kai Qiao ◽  
Shin-Ted Lin ◽  
Hsin-Chang Chi ◽  
Hai-Tao Jia
Keyword(s):  
Dark Matter ◽  
Cross Sections ◽  
Direct Detection ◽  
Impulse Approximation ◽  
Dark Matter Particle ◽  
Ionization Process ◽  
Beyond The Standard Model ◽  
Next Generation ◽  
Many Body ◽  
Atomic Ionization

Abstract The millicharged particle has become an attractive topic to probe physics beyond the Standard Model. In direct detection experiments, the parameter space of millicharged particles can be constrained from the atomic ionization process. In this work, we develop the relativistic impulse approximation (RIA) approach, which can duel with atomic many-body effects effectively, in the atomic ionization process induced by millicharged particles. The formulation of RIA in the atomic ionization induced by millicharged particles is derived, and the numerical calculations are obtained and compared with those from free electron approximation and equivalent photon approximation. Concretely, the atomic ionizations induced by mllicharged dark matter particles and millicharged neutrinos in high-purity germanium (HPGe) and liquid xenon (LXe) detectors are carefully studied in this work. The differential cross sections, reaction event rates in HPGe and LXe detectors, and detecting sensitivities on dark matter particle and neutrino millicharge in next-generation HPGe and LXe based experiments are estimated and calculated to give a comprehensive study. Our results suggested that the next-generation experiments would improve 2-3 orders of magnitude on dark matter particle millicharge δχ than the current best experimental bounds in direct detection experiments. Furthermore, the next-generation experiments would also improve 2-3 times on neutrino millicharge δν than the current experimental bounds.

Phase noise performance of the multilevel interferometric direct detection receivers

2012 ◽  
Author(s):  
Konstantin G. Kuzmin ◽  
Andre Richter ◽  
Igor Koltchanov ◽  
Hadrien Louchet ◽  
Nikolay Karelin
Keyword(s):  
Phase Noise ◽  
Direct Detection ◽  
Noise Performance ◽  
Phase Noise Performance

Time-, wavelength-, and code-domain optical reflection monitoring for next-generation access-metro networks

2011 ◽  
Vol 34 (8) ◽  
pp. 1011-1021 ◽  
Author(s):  
Kerim Fouli ◽  
Lawrence R. Chen ◽  
Martin Maier
Keyword(s):  
Next Generation ◽  
Optical Reflection ◽  
Code Domain ◽  
Metro Networks
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