Quantum Experiment using Satellite Tecnology launched in 2017 by Raman Research Institute in February 2021 demonstrated

Quantum communication Quantum information science is an interdisciplinary field that seeks to understand the analysis, processing, and transmission of information using quantum mechanics principles. It combines the study of Information science with quantum effects in p ...

for 50 m apart and on 19 March 2021 for 300 m apart inline of sight in

Space Applications Centre The Space Applications Centre (SAC) is an institution of research in Ahmedabad under the aegis of the Indian Space Research Organisation (ISRO). It is one of the major centres of ISRO that is engaged in the research, development and demonstra ...

in coordination with

Indian Space Research Organisation The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman of ...

Indian Institute of Science The Indian Institute of Science (IISc) is a public, deemed, research university for higher education and research in science, engineering, design, and management. It is located in Bengaluru, in the Indian state of Karnataka. The institute was ...

and

Tata Institute of Fundamental Research Tata Institute of Fundamental Research (TIFR) is a public deemed research university located in Mumbai, India that is dedicated to basic research in mathematics and the sciences. It is a Deemed University and works under the umbrella of the De ...

,. India 's first project on satellite based long distance

Technical specifications

# Indigenously devoloped

NAVIC The Indian Regional Navigation Satellite System (IRNSS), with an operational name of NavIC (acronym for 'Navigation with Indian Constellation; also, 'sailor' or 'navigator' in Indian languages), is an autonomous regional satellite navigation s ...

receiver for time snychronization # Gimbal mechanism system instead of large aperture telescope for optical alignment. # Shared Quantum secure text. # Shared image transmission. # Quantum assisted two ways video conferencing at

and

Physical Research Laboratory The Physical Research Laboratory (PRL) is a National Research Institute for space and allied sciences, supported mainly by Department of Space, Government of India. This research laboratory has ongoing research programmes in astronomy and astrop ...

# It used robust and high brightness entangled photon source, used BBM92 protocol implementation

enabled snychronization polarization compensation technique. # It is hack proof as it uses

Quantum key distribution Quantum key distribution (QKD) is a secure communication method which implements a cryptographic protocol involving components of quantum mechanics. It enables two parties to produce a shared random secret key known only to them, which can then ...

. # It uses

Quantum cryptography Quantum cryptography is the science of exploiting quantum mechanical properties to perform cryptographic tasks. The best known example of quantum cryptography is quantum key distribution which offers an information-theoretically secure solutio ...

and carried out by Quantum information and computing (QuIC) lab .

References

Satellites Quantum computing Indian Space Research Organisation {{Satellite-stub