Monolithically integrated differential phase shift transmitter for quantum key distribution

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Abstract

An integrated differential phase shift QKD transmitter, which consist of a distributed Bragg reflector laser, a phase modulator, and Mach-Zehnder modulator sections for pulse carving and optical attenuation has been designed and fabricated. Initial characterization shows single mode operation of the laser with a linewidth around 2 MHz, and an achievable optical attenuation of more than 60 dB.
Original languageEnglish
Title of host publicationProceedings of the 22nd European Conference on Integrated Optics, 2020
PublisherECIO
Number of pages3
Publication statusPublished - 24 Jun 2020
Event22nd European Conference on Integrated Optics (ECIO 2020) - Online, Paris, France
Duration: 23 Jun 202024 Jun 2020
Conference number: 22

Conference

Conference22nd European Conference on Integrated Optics (ECIO 2020)
Abbreviated titleECIO 2020
Country/TerritoryFrance
CityParis
Period23/06/2024/06/20

Keywords

  • Photonic Integrated Circuits (PIC)
  • Quantum key distribution

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