Results 11 to 20 of about 4,644,594 (299)
Coherent Communication of Classical Messages [PDF]
Physical Review Letters, 2004 We define "coherent communication" in terms of a simple primitive, show it is equivalent to the ability to send a classical message with a unitary or isometric operation, and use it to relate other resources in quantum information theory. Using coherent communication, we are able to generalize super-dense coding to prepare arbitrary quantum states ...
Aram Harrow, Harrow, AW
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Binary Communication with Gazeau–Klauder Coherent States [PDF]
Entropy, 2020 We investigate advantages and disadvantages of using Gazeau−Klauder coherent states for optical communication. In this short paper we show that using an alphabet consisting of coherent Gazeau−Klauder states related to a Kerr-type nonlinear ...
Jerzy Dajka, Jerzy Łuczka
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Full-duplex quantum coherent communication [PDF]
2019 21st International Conference on Transparent Optical Networks (ICTON), 2019 High bandwidth requirements for data communications are currently being met by classical coherent communication using multi-level modulation of amplitude and phase of light. Alternatively, down at the level of quantum signals, coherent communication enables establishment of cryptographic keys between two legitimate users, and shows higher key exchange ...
Kumar, Rupesh, Spiller, Tim
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Coherent communication with continuous quantum variables [PDF]
Physical Review A, 2007 The coherent bit (cobit) channel is a resource intermediate between classical and quantum communication. It produces coherent versions of teleportation and superdense coding. We extend the cobit channel to continuous variables by providing a definition of the coherent nat (conat) channel. We construct several coherent protocols that use both a position-
Wilde, Mark M. +2 more
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Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel [PDF]
, 2011 In this paper, analytical and simulation results for the bit error rate (BER) performance and fading penalty of a coherent optical binary polarization shift keying (2PolSK) heterodyne system adopted for a free space optical (FSO) communication link ...
Z. Ghassemlooy +12 more
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Optimized Silicon QPSK Modulator With 64-Gb/s Modulation Speed
IEEE Photonics Journal, 2015 We demonstrate a compact silicon quadrature phase-shift keying (QPSK) modulator consisting of two nested Mach-Zehnder interferometers with a size of 4.5-mm2. The V11 · L of the modulator is 1.4 V · cm with an insertion loss of 8 dB.
Haike Zhu +8 more
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Data-Aided Versus Blind Single-Carrier Coherent Receivers
IEEE Photonics Journal, 2010 Fiber-optic research in signal processing for the first generation of coherent communication systems was dominated by receivers with blind adaptation. Next-generation systems will require a scalable and modular design for higher order modulation formats.
Maxim Kuschnerov +8 more
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Chaos communication performance : theory and computation [PDF]
, 2010 In this paper new and existing approaches are developed to compute the bit error rate for chaos-based communication systems. The multi-user coherent antipodal chaos shift keying system is studied and evaluated in its coherent form, in the sense of ...
Lawrance, Anthony J. +11 more
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Coherent bidirectional broadband communication experiment using a reflective star coupler
, 2022 S.557-560A coherent bidirectional broadband communication experiment using a representative part of a reflective star coupler for 1024 subscribers is presented. First measurements show error free operation over five days.
Hermes, T. +4 more
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IEEE Photonics Journal, 2017 A low-complexity one-step digital back-propagation (DBP) scheme is proposed to mitigate intrachannel and interchannel fiber nonlinearities in high-capacity single span transmissions.
Xingyu Zhou +9 more
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