Quantum Experiments using Satellite Technology

<h2 id="technical-specifications">Technical specifications</h2>
<ol><li>Indigenously developed <a href="/facts/NAVIC/k3JM5NBx">NAVIC</a> receiver for time synchronization</li>
<li>Gimbal mechanism system instead of large aperture telescope for optical alignment.</li>
<li>Shared quantum secure text.</li>
<li>Shared image transmission.</li>
<li>Quantum assisted two ways video conferencing at the <a href="/facts/Space_Applications_Centre/jAFXtju6">Space Applications Centre</a> and <a href="/facts/Physical_Research_Laboratory/moVevCbB">Physical Research Laboratory</a></li>
<li>It used robust and high brightness entangled photon source, used BBM92 protocol implementation <a href="/facts/NAVIC/k3JM5NBx">NAVIC</a> enabled synchronization polarization compensation technique.</li>
<li>It is hack proof as it uses <a href="/facts/Quantum_key_distribution/aJ4aQ6yw">quantum key distribution</a>.<a class="footnote-ref" id="fnref:9" href="#fn:9">9</a></li>
<li>It uses <a href="/facts/Quantum_cryptography/FPqPdNXT">quantum cryptography</a> and carried out by Quantum information and computing (QuIC) lab .</li></ol>

<h2 id="references">References</h2>

<ol>
<li id="fn: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. <a href="https://timesofindia.indiatimes.com/india/isro-demonstrates-quantum-comm-tech-to-extend-it-to-sats-next/articleshow/81636095.cms" target="_blank">https://timesofindia.indiatimes.com/india/isro-demonstrates-quantum-comm-tech-to-extend-it-to-sats-next/articleshow/81636095.cms</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></li>
<li id="fn: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. <a href="https://web.archive.org/web/20220201151914/https://www.isro.gov.in/update/31-jan-2022/department-of-space-demonstrates-entanglement-based-quantum-communication-over" target="_blank">https://web.archive.org/web/20220201151914/https://www.isro.gov.in/update/31-jan-2022/department-of-space-demonstrates-entanglement-based-quantum-communication-over</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></li>
<li id="fn:3">"Explained: Quantum Communication demonstrated by ISRO". www.jagranjosh.com. 2021-03-25. Retrieved 2022-09-18. <a href="https://www.jagranjosh.com/general-knowledge/explained-quantum-communication-demonstrated-by-isro-1616676003-1" target="_blank">https://www.jagranjosh.com/general-knowledge/explained-quantum-communication-demonstrated-by-isro-1616676003-1</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></li>
<li id="fn:4">"ISRO Quantum entangled". <a href="https://www.researchgate.net/publication/2213382" target="_blank">https://www.researchgate.net/publication/2213382</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></li>
<li id="fn:5">"Isro conducts breakthrough demonstration of hack-proof quantum communication". India Today. February 1, 2022. Retrieved 2022-09-18. <a href="https://www.indiatoday.in/science/story/isro-conducts-breakthrough-demonstration-of-hack-proof-quantum-communication-1907344-2022-02-01" target="_blank">https://www.indiatoday.in/science/story/isro-conducts-breakthrough-demonstration-of-hack-proof-quantum-communication-1907344-2022-02-01</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></li>
<li id="fn:6">Bommakanti, Kartik. "Quantum communications: ISRO makes progress, but China is ahead". ORF. Retrieved 2022-09-18. <a href="https://www.orfonline.org/expert-speak/quantum-communications-isro-makes-progress-but-china-ahead/" target="_blank">https://www.orfonline.org/expert-speak/quantum-communications-isro-makes-progress-but-china-ahead/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></li>
<li id="fn:7">"Quantum Communication By ISRO | Simplified UPSC". simplifiedupsc.in. 2022-02-06. Retrieved 2022-09-18. <a href="https://simplifiedupsc.in/quantum-communication/" target="_blank">https://simplifiedupsc.in/quantum-communication/</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></li>
<li id="fn:8">"ISRO achieves breakthrough in quantum communication, precursor for quantum satellite". The Economic Times. 22 March 2021. Retrieved 2022-09-18. <a href="https://economictimes.indiatimes.com/news/science/isro-makes-breakthrough-demonstration-of-free-space-quantum-key-distribution-over-300-metres/articleshow/81637153.cms?amp_gsa=1&_js_v=a9&usqp=mq331AQKKAFQArABIIACAw==&from=mdr" target="_blank">https://economictimes.indiatimes.com/news/science/isro-makes-breakthrough-demonstration-of-free-space-quantum-key-distribution-over-300-metres/articleshow/81637153.cms?amp_gsa=1&_js_v=a9&usqp=mq331AQKKAFQArABIIACAw==&from=mdr</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></li>
<li id="fn:9">"Isro conducts breakthrough demonstration of hack-proof quantum communication". India Today. February 1, 2022. Retrieved 2022-09-18. <a href="https://www.indiatoday.in/science/story/isro-conducts-breakthrough-demonstration-of-hack-proof-quantum-communication-1907344-2022-02-01" target="_blank">https://www.indiatoday.in/science/story/isro-conducts-breakthrough-demonstration-of-hack-proof-quantum-communication-1907344-2022-02-01</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></li>
</ol>

Quantum Experiments using Satellite Technology open-in-new

Quantum Experiments using Satellite Technology