Quantum communication with orbital angular momentum

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Abstract

Quantum communication consists of the reliable transmission of quantum states among several parties and looks toward the long-term goal of a Quantum Internet. Quantum Internet could open up a whole universe of new applications, spanning from fundamental physics and secure communications to remote quantum computing. Multiple degrees of freedom can be used for the distribution of the quantum states, such as polarization, frequency, time and space. In particular, Orbital Angular Momentum (OAM) of light is one of the most promising thanks to its unbounded nature, albeit challenging to manipulate. OAM has been largely investigated both for classical and quantum communications, allowing for enhanced data rate in classical links and determining a high-dimensional basis for quantum communication. Here, we report our recent results related to quantum states encoded in the orbital angular momentum of light, proving the capability of preparing, manipulating, transmitting and measuring high-dimensional quantum states through a multimode fibre.
Original languageEnglish
Title of host publicationProceedings of 22nd International Conference on Transparent Optical Networks
Number of pages4
PublisherIEEE
Publication date2020
Article number9203023
ISBN (Print)9781728184234
DOIs
Publication statusPublished - 2020
Event22nd International Conference on Transparent Optical Networks - Virtual event, Bari, Italy
Duration: 19 Jul 202023 Jul 2020
Conference number: 22
https://icton2020.fbk.eu/
https://icton2020.fbk.eu/home

Conference

Conference22nd International Conference on Transparent Optical Networks
Number22
LocationVirtual event
CountryItaly
CityBari
Period19/07/202023/07/2020
Internet address
Series 2012 14th International Conference on Transparent Optical Networks (ICTON)
ISSN2161-2056

Keywords

  • Quantum communication
  • Orbital angular momentum
  • Fibre-based quantum communication

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