Results 21 to 30 of about 398,204 (291)
DSP-Based Physical Layer Security for Coherent Optical Communication Systems
IEEE Photonics Journal, 2022 A novel digital signal processing (DSP)-based scheme for physical layer security in coherent optical communication systems is proposed and numerically investigated.
Jiaxiang He +3 more
doaj +1 more source
Applied Sciences, 2019 In this article, we review the latest progress on data center interconnect (DCI). We then discuss different perspectives on the 400G pluggable module, including form factor, architecture, digital signal processing (DSP), and module power consumption ...
Yang Yue, Qiang Wang, Jon Anderson
doaj +1 more source
Decoy state quantum key distribution with two-way classical post-processing [PDF]
, 2006 Decoy states have recently been proposed as a useful method for substantially improving the performance of quantum key distribution protocols when a coherent state source is used.
C. H. Bennett +14 more
core +1 more source
Adaptive Coherent Receiver Settings for Optimum Channel Spacing in Gridless Optical Networks
Future Internet, 2019 In this paper, we propose a novel circuit and system to optimize the spacing between optical channels in gridless (also called flexible-grid or elastic) networking.
Ahmad Abdo +4 more
doaj +1 more source
Adaptive Pre/Post-Compensation of Cascade Filters in Coherent Optical Transponders
Future Internet, 2020 We propose an adaptive joint pre- and post-compensation to correct the filtering effects caused by cascading reconfigurable optical add drop multiplexers (ROADMs).
Ahmad Abdo, Claude D’Amours
doaj +1 more source
Applied Sciences, 2021 The Gram–Schmidt orthogonalization procedure (GSOP) and Löwdin symmetric orthogonalization procedure (SYOP) are the two mainstream algorithms for the compensation of phase mismatch in an imperfect optical 90° hybrid.
Xueliang Li +4 more
doaj +1 more source
Digital equalization of time-delay array receivers on coherent laser communications [PDF]
, 2017 © [2017 Optical Society of America.]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the ...
Belmonte Molina, Aniceto
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Clock Recovery Challenges in DSP-Based Coherent Single-Mode and Multi-Mode Optical Systems
Future Internet, 2018 We present an analysis of clock recovery algorithms in both polarization division multiplexing systems and mode division multiplexing systems. The impact of inter-polarization time skew and polarization mode dispersion in single-mode fibers, as well as ...
Júlio César Medeiros Diniz +2 more
doaj +1 more source
IEEE Photonics Journal, 2010 In this paper, we propose a nonuniform coded-modulation format based on iterative polar quantization (IPQ) as a scheme to enable achieving channel capacity in ultrahigh-speed optical communication systems.
Hussam G. Batshon +3 more
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Nanophotonic coherent light-matter interfaces based on rare-earth-doped crystals [PDF]
, 2015 Quantum light-matter interfaces (QLMIs) connecting stationary qubits to photons will enable optical networks for quantum communications, precise global time keeping, photon switching, and studies of fundamental physics.
Faraon, Andrei +3 more
core +2 more sources