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Coherent Optics Everywhere: a New Dawn for Photonic Networks

Total Cost €


EC-Contrib. €






 COYOTE project word cloud

Explore the words cloud of the COYOTE project. It provides you a very rough idea of what is the project "COYOTE" about.

signal    stokes    dismissed    enabled    exploration    band    radio    signals    boost    infrastructure    hz    hungry    decades    5g    efficiency    connectivity    wireless    prevails    reviving    rely    medium    whereas    global    interconnects    takes    ago    contradictory    bits    remove    3d    optics    boundary    rendered    flexible    quantum    2d    birth    coyote    disruptive    solution    locked    giving    indispensable    optical    digital    architecture    transmission    gained    symbol    influence    mitigating    transceiver    incremental    datacentre    formats    virtue    internet    duplex    adoption    simplicity    engine    receiver    spaces    network    unquestioned    energy    simplified    ghz    gt    photonics    wireline    midst    efficiencies    wave    full    traffic    fidelity    lean    detector    environment    coherence    segmented    improvements    data    detection    transparent    communications    modulator    telecom    communication    improvement    networks    direct    life    efficient    emulate    homodyne    coherently    spectral    daily    desperately    networking    zettabyte    quadrature    dares    transport    millimetre    reception    envisions    leap    methodology    ultimately    asset    segments    magnitude    guarantee    laser    hardware    coherent   

Project "COYOTE" data sheet

The following table provides information about the project.


Organization address
city: WIEN
postcode: 1210

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Total cost 1˙500˙000 €
 EC max contribution 1˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-STG
 Funding Scheme ERC-STG
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2023-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The widespread adoption of the Internet and its influence on our daily life is unquestioned. Global Zettabyte traffic has rendered photonics as indispensable for the communication infrastructure. While direct signal detection has been dismissed in radio communications decades ago, it prevails in short- and medium-reach optics in virtue of its simplicity. In such an environment photonics can only rely on incremental improvements, whereas it desperately seeks for disruptive concepts. COYOTE envisions a novel coherent homodyne transceiver concept for analogue signals and access to higher-order formats with efficiencies of 10 bits/symbol. On top of this, high-fidelity transport of multi-band 5G radio signals in the millimetre-wave range up to 100 GHz will be enabled by analogue coherent photonics while mitigating energy-hungry digital signal processing. COYOTE takes one more leap and dares the contradictory full-duplex data transmission in virtue of its novel reception engine to ultimately guarantee a lean solution with greatly simplified yet flexible “hardware”. The key asset of COYOTE’s coherent engine will be a locked laser with improved coherence characteristics together with a flexible modulator-detector element, which is capable to emulate direct-detection systems in a transparent way while giving birth to novel networking concepts. Exploration of the 3D Stokes and 2D quadrature spaces through a segmented receiver architecture will boost the spectral efficiency to >10 bits/s/Hz. It is the lean and yet efficient coherent transceiver methodology of COYOTE that will remove the currently existing boundary between direct-detection and coherent systems in the midst of network reaches. By coherently “reviving” these telecom segments of integrated wireline-wireless access networks, optical interconnects for intra-datacentre connectivity and even quantum communication, an order-of-magnitude improvement in terms of spectral efficiency x reach product will be gained.


year authors and title journal last update
List of publications.
2019 Bernhard Schrenk, Nemanja Vokic, Dinka Milovancev, Fotini Karinou
Full-Duplex, Polarisation-Independent Coherent Homodyne EML Transceiver
published pages: Tu.3.D.6, ISSN: , DOI:
Proceedings Europ. Conf. and Exhibition on Optical Communication 2019 2020-01-29
2019 Bernhard Schrenk
Synchronized wavelength-swept signal transmission and its ability to evade optical reflection crosstalk
published pages: 2771, ISSN: 0146-9592, DOI: 10.1364/OL.44.002771
Optics Letters 44/11 2020-01-29
2019 Bernhard Schrenk, Fotini Karinou
Photonic Add-Drop-Gate Node Element Based on EML Technology
published pages: 3979-3986, ISSN: 0733-8724, DOI: 10.1109/jlt.2019.2906075
Journal of Lightwave Technology 37/16 2020-01-29
2019 Bernhard Schrenk, Fotini Karinou
Simple laser transmitter pair as polarization-independent coherent homodyne detector
published pages: 13942, ISSN: 1094-4087, DOI: 10.1364/oe.27.013942
Optics Express 27/10 2020-01-29
2020 Dinka Milovančev, Nemanja Vokić, Fabian Laudenbach, Christoph Pacher, Hannes Hübel, and Bernhard Schrenk
Spectrally-Shaped Continuous-Variable QKD Operating at 500 MHz Over an Optical Pipe Lit by 11 DWDM Channels
published pages: T3D.4, ISSN: , DOI:
Proceedings Optical Fiber Communication Conference (OFC) 2020 2020-01-29
2019 B. Schrenk, D. Milovancev, N. Vokic, H. Hübel, F. Karinou
Radio-over-Air with a Face-to-Face EML Transceiver Pair
published pages: Tu.3.C.2, ISSN: , DOI:
Proceedings Europ. Conf. and Exhibition on Optical Communication 2019 2020-01-29
2020 Bernhard Schrenk, Nemanja Vokić, Dinka Milovančev, Paraskevas Bakopoulos, and Fotini Karinou
Coherently Sub-Grouped µDC-Pod and -Interconnect with Analogue EML Transceivers Operated in TDMA
published pages: T3K.5, ISSN: , DOI:
Proceedings Optical Fiber Communication Conference (OFC) 2020 2020-01-29
2019 Bernhard Schrenk
Can we transfer analogue coherent optics of access networks to the realm of datacenters?
published pages: , ISSN: , DOI:
7th Int. Symposium for Optical Interconnect in Data Centres, ECOC 2019 2020-01-29
2020 Bernhard Schrenk, Dinka Milovančev, Nemanja Vokić, and Fotini Karinou
Coherent Homodyne TDMA Receiver Based on TO-can EML for 10 Gb/s OOK with <40 ns Guard Interval
published pages: W4G.4, ISSN: , DOI:
Proceedings Optical Fiber Communication Conference (OFC) 2020 2020-01-29
2019 Bernhard Schrenk, Fotini Karinou
Analogue Coherent TDMA Receiver with Fast Locking to Free-Running Optical Emitters
published pages: 1-1, ISSN: 0733-8724, DOI: 10.1109/jlt.2019.2936464
Journal of Lightwave Technology 2020-01-29
2019 Bernhard Schrenk, Fotini Karinou
EML Transmitter as Coherent Monitor for Distributed Spectrum Snooping
published pages: , ISSN: , DOI:
Proceedings Europ. Conf. and Exhibition on Optical Communication 2019 We.P18 2020-01-29

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