Enhanced Kerr effect in vertically aligned deformed helix ferroelectric liquid crystals [PDF]
, 2014 We disclose the vertically aligned deformed helix ferroelectric liquid crystal (VADHFLC) whose Kerr constant ($K_{\mathrm{kerr}}\approx 130$~nm/V$^2$ at $\lambda=543$~nm) is one order of magnitude higher than any other value previously reported for ...
Chigrinov, V. G. +7 more
core +2 more sources
External modulation method for generating accurate linear optical FMCW [PDF]
, 2017 Frequency modulation continuous wave (FMCW) lasers are key components in modern optical imaging. However, current intracavity modulation lasers do not exhibit low-frequency jitter rate and high linearity due to the inherent relaxation oscillations ...
Ge, Chunfeng +7 more
core +1 more source
L2 Orthogonal Space Time Code for Continuous Phase Modulation [PDF]
, 2008 To combine the high power efficiency of Continuous Phase Modulation (CPM) with either high spectral efficiency or enhanced performance in low Signal to Noise conditions, some authors have proposed to introduce CPM in a MIMO frame, by using Space Time ...
Deneire, Luc +2 more
core +4 more sources
Electrica, 2003 In this paper, Trellis Coded Quantization/Continuous Phase Modulation systems have been introduced and error performance analysis has been investigated on AWGN channels.
Niyazi ODABASIOGLU +2 more
doaj +2 more sources
Quantum key distribution based on a Sagnac loop interferometer and polarization-insensitive phase modulators [PDF]
, 2006 We present a design for a quantum key distribution(QKD) system in a Sagnac loop configuration, employing a novel phase modulation scheme based on frequency shift, and demonstrate stable BB84 QKD operation with high interference visibility and low quantum
Huang, Lei-Lei +3 more
core +2 more sources
Characterizing an image intensifier in an full-field range image system [PDF]
, 2008 We are developing a high precision full-field range imaging system. An integral component in this system is an image intensifier, which is modulated at frequencies up to 100 MHz.
Carnegie, Dale A. +3 more
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Continuous Phase Modulation Proposal for Photonics-Wireless Sub-THz Transmissions
IEEE AccessThis paper presents a waveform proposal for photonic-wireless sub-THz transmissions. The concept of Continuous Phase Modulation (CPM) is first explained.
Paul Desombre, Haifa Fares, Yves Louet
doaj +1 more source
Research Status of CPM for Satellite-Terrestrial Integrated Network
天地一体化信息网络, 2023 Around the vision of ＆quot;full coverage＆quot; of the new generation of mobile communication system (6G), satelliteterrestrial integration, as one of the key technologies, is the development direction of the future wireless communication system.The ...
Zihao PAN +3 more
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Implementation of Three Phase-Discontinuous Space Vector Modulation Using Single DSC-PWM Module
Communications, 2013 The paper presents an implementation of a discontinuous space vector modulation of three phase inverter. The modulation is implemented in a DSC (Digital Signal Controller) using only one PWM module.
Stepan Janous +3 more
doaj +1 more source
A high‐precision timing and frequency synchronization algorithm for multi‐h CPM signals
IET CommunicationsIn the context of certain specific digital communication systems, where there are limitations such as spectral resources and energy availability, continuous phase modulation (CPM) emerges as an appealing choice among various modulation methods. Among CPM
Yukai Liu +3 more
doaj +1 more source