Welcome to QuIC Lab

Discover Our Research

The Quantum Information and Computing (QuIC) lab at the Raman Research Institute, Bangalore, is one of the first labs in India to manufacture and establish the usage of heralded and entangled photon sources towards various applications in quantum technologies.


Research themes:

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Quantum Communication
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Quantum Computation
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Quantum
Optics
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Quantum Fundamentals & QIP


Featured publications from the lab:

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Unambiguous joint detection of spatially separated properties of a single photon in the two arms of an interferometer
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Testing quantum foundations with quantum computers
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Loophole-Free Interferometric Test of Macrorealism Using Heralded Single Photons
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Quantum State Interferography
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qkdSim: An experimenter's simulation toolkit for QKD, and novel demonstration of the B92 protocol
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Direct determination of arbitrary dimensional entanglement monotones using statistical correlators and minimal complementary measurements

The complete list of publications from the lab can be found here.



Featured lab news items:

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Prof. Urbasi Sinha Wins Inaugural Gates-Cambridge Impact Prize 2025
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Prof. Urbasi Sinha Receives Rashtriya Vigyan Yuva-Shanti Swarup Bhatnagar Award 2024 from Hon'ble President of India
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Saumya Ranjan Behera won the best poster prize at the international conference on quantum communications, measurement and computing (QCMC)
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Mehak Layal winning 1st prize at the 12th Annual NYUAD International Hackathon for Social Good, focusing on Quantum Computing and AI support
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Prof. Urbasi Sinha receiving the prestigious Sri Chandrasekarendra Saraswathi National Eminence Award
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Media coverage on our Freespace (atmospheric channel-based) QKD experiment with entangled photons
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Lab achievements featured by the office of the Principal Scientific Advisor to the Prime Minister
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Work on secure quantum communications and quantum state estimation highlighted
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QuIC team secures the 1st place in the Worldskills International Competition on Quantum Technology
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Media coverage on our QKD experiment with stationary source and moving receiver

A complete list of news items related to the lab can be found here.



Aluminium jubilee for Quantum Information and Computation lab.
Media coverage of our long distance quantum communication project under DST's Quantum Enabled Science and Technology programme by:
Anandabazar Patrika (Bengali).
Media coverage on our Freespace (atmospheric channel-based) quantum key distribution experiment with entangled photons by:
Bangalore Mirror, Times of India, Indo-Asian News Service, Deccan Herald, Rajasthan Patrika (Hindi), The Better India & Anandabazar Patrika (Bengali).
QuIC lab achievements featured by the office of the Principal Scientific Advisor to the Prime Minister
DD news broadcast on Quantum Information & Computing: A ground-breaking innovation by Raman Research Institute
Work on Quantum Cryptography highlighted by "India Science - The Nation's Science Channel" as one of the top ten innovations for 2020
QuIC lab's work on secure quantum communications and quantum state estimation as one of 20 major success stories of 2020 by DST
QuIC team secures the 1st place in the Worldskills International Competition on Quantum Technology competence BRICS skills camp