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   Articles with "optical code" as a keyword



Development of authentication code for multi-access optical code division multiplexing based quantum key distribution

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recommendations! Published in 2018 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2017.11.034

Abstract: Abstract One-weight authentication code for multi-user quantum key distribution (QKD) is proposed. The code is developed for Optical Code Division Multiplexing (OCDMA) based QKD network. A unique address assigned to individual user, coupled with degrading… read more here.

Keywords: authentication code; code; code multi; key distribution ... See more keywords

Advance Method for Security Enhancement in Optical Code Division Multiple Access System

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recommendations! Published in 2018 at "IETE Journal of Research"

DOI: 10.1080/03772063.2017.1351314

Abstract: Abstract This paper proposes a new design of encoder and decoder with novel code design for one–dimensional (1D) (spectral domain) and two-dimensional (2D) (spectral and time domain) optical code divisions multiple access system. The suggested… read more here.

Keywords: multiple access; optical code; access system; code ... See more keywords

M-ary DPSK coded binary to gray, BCD to gray, and octal to binary all-optical code converters based on SOA-MZI configuration at 500  Gb/s.

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recommendations! Published in 2020 at "Applied optics"

DOI: 10.1364/ao.400480

Abstract: Gray codes are broadly used as the cyclic codes to assist error correction in optical communications. In this paper, we have proposed the novel design of three different types of all-optical gray code converters based… read more here.

Keywords: optical code; code converters; mzi configuration; code ... See more keywords

Operating Characteristic Curves of Optical Packet-Switching Using Optical Code-Division Multiplexing for Label Switching

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recommendations! Published in 2023 at "Photonics"

DOI: 10.3390/photonics10060613

Abstract: In this paper, the operating characteristic curves (OCCs) of optical code-division multiplexing (OCDM) technology for label switching of an optical packet-switching (OPS) network was evaluated. A node structure for processing the packets, with spectral-amplitude-coding (SAC)… read more here.

Keywords: operating characteristic; characteristic curves; optical code; packet ... See more keywords

A 930 m/180 Gbps*User Underwater Coherent Optical Code-Division Multiple-Access Network Based on Hybrid 256-Differential Pulse Position Modulation and Weighted Modified Prime Code Sequence

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recommendations! Published in 2024 at "Photonics"

DOI: 10.3390/photonics11040368

Abstract: Currently, there are three types of optical communication networks based on the communication channel between the transmitter and receiver: the optical fiber channel, visible light channel, and optical wireless channel networks. The last type has… read more here.

Keywords: gbps user; code; optical code; coherent optical ... See more keywords