Quantum Experiments using Satellite Technology

Quantum Experiment using Satellite Technology was launched in 2017 by the Raman Research Institute. In February 2021, the project demonstrated quantum communication for 50 m apart, and on 19 March 2021 for 300 m apart inline of sight in the Space Applications Centre, which was done in coordination with the Indian Space Research Organisation, Indian Institute of Science and Tata Institute of Fundamental Research.[1][2][3][4] Quantum Experiment using Satellite Technology is India's first project on satellite based long distance quantum communication.[5][6][7][8]

Technical specifications

  1. Indigenously developed NAVIC receiver for time synchronization
  2. Gimbal mechanism system instead of large aperture telescope for optical alignment.
  3. Shared quantum secure text.
  4. Shared image transmission.
  5. Quantum assisted two ways video conferencing at the Space Applications Centre and Physical Research Laboratory
  6. It used robust and high brightness entangled photon source, used BBM92 protocol implementation NAVIC enabled synchronization polarization compensation technique.
  7. It is hack proof as it uses quantum key distribution.[5]
  8. It uses quantum cryptography and carried out by Quantum information and computing (QuIC) lab .

References

  1. ^ Chethan Kumar (Mar 23, 2021). "Isro demonstrates quantum comm tech; to extend it to Sats next | India News - Times of India". The Times of India. Retrieved 2022-09-18.
  2. ^ "Department of Space demonstrates entanglement based quantum communication over 300m free space along with real time cryptographic applications - ISRO". www.isro.gov.in. Archived from the original on 2022-02-01. Retrieved 2022-09-18.
  3. ^ "Explained: Quantum Communication demonstrated by ISRO". www.jagranjosh.com. 2021-03-25. Retrieved 2022-09-18.
  4. ^ "ISRO Quantum entangled".
  5. ^ a b "Isro conducts breakthrough demonstration of hack-proof quantum communication". India Today. February 1, 2022. Retrieved 2022-09-18.
  6. ^ Bommakanti, Kartik. "Quantum communications: ISRO makes progress, but China is ahead". ORF. Retrieved 2022-09-18.
  7. ^ "Quantum Communication By ISRO | Simplified UPSC". simplifiedupsc.in. 2022-02-06. Retrieved 2022-09-18.
  8. ^ "ISRO achieves breakthrough in quantum communication, precursor for quantum satellite". The Economic Times. 22 March 2021. Retrieved 2022-09-18.


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