Large-alphabet encoding schemes for floodlight quantum key distribution

Quntao Zhuang, Zheshen Zhang, Jeffrey H. Shapiro

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Floodlight quantum key distribution (FL-QKD) uses binary phase-shift keying (BPSK) of multiple optical modes to achieve Gbps secret-key rates (SKRs) at metropolitanarea distances. We show that FL-QKD's SKR can be doubled by using 32-ary PSK.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2017
PublisherOptica Publishing Group (formerly OSA)
ISBN (Print)9781943580279
StatePublished - 2017
Externally publishedYes
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2017 - San Jose, United States
Duration: May 14 2017May 19 2017

Publication series

NameOptics InfoBase Conference Papers
VolumePart F42-CLEO_QELS 2017
ISSN (Electronic)2162-2701


OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2017
Country/TerritoryUnited States
CitySan Jose

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


Dive into the research topics of 'Large-alphabet encoding schemes for floodlight quantum key distribution'. Together they form a unique fingerprint.

Cite this