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Monolithically Integrated Ultra-Low Noise Balanced Receiver for CV-QKD

  • Dinka Milovancev (Author and Speaker)
  • , Nemanja Vokic

    Research output: Chapter in Book or Conference ProceedingsConference Proceedings with Oral Presentationpeer-review

    Abstract

    In this work we explore monolithic opto-electronic integration platform for significant down-scaling of input-referred noise in custom designed low-noise analog front-end used for balanced photodetection. The performance of such monolithically integrated approach is compared to heterogeneously integrated solution designed in the same technology which requires wire-bonding to the balanced photodetectors. The designed circuits are targeting bandwidth above 1 GHz. The improved noise performance is leveraged against increased secure key rates and achievable reach in continuous-variable quantum key distribution (CV-QKD).
    Original languageEnglish
    Title of host publication47th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO)
    Subtitle of host publicationProceedings of the International Convention MIPRO
    Pages1727-1732
    ISBN (Electronic)979-8-3503-8250-1
    DOIs
    Publication statusPublished - 2024
    Event47th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) - Opatija, Opatija, Croatia
    Duration: 20 May 202424 May 2024
    Conference number: 47

    Conference

    Conference47th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO)
    Abbreviated titleMIPRO
    Country/TerritoryCroatia
    CityOpatija
    Period20/05/2424/05/24

    Research Field

    • Former Research Field - Enabling Digital Technologies

    Keywords

    • optoelectronic integrated circuit
    • quantum key distribution
    • low noise
    • balanced receiver
    • quantum communication
    • continius variable

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