Lab News

Since 2014 in reverse chronological order

    2025

  1. We are honored to have Mr. Ajai Chowdhry, one of the founding members of HCL (Hindustan Computers Limited) and chairman of NQM (National Quantum Mission) Governing Board to our lab on 18th of April 2025, for an inspiring visit and exchange of ideas.
  2. Delighted to have Prof. Mike Crair, Vice Provost, Yale University, USA visit our lab on 27th of February 2025.
  3. Delighted to have Prof. Andrew White, from University of Queensland, Australia visit our lab on 25th of January 2025.
  4. Delighted to have Shri Kamal Kumar Agarwal, Dy. Director Genral (Quantum Technology) at TEC, Department of Telecommunications, visit our lab on 8th January 2025.
  5. Proud moment for QuIC Lab. Prof. Urbasi Sinha has been named as one of the eight winners of the inaugural GATES-CAMBRIDGE IMPACT PRIZE 2025!!

    2024

  1. India DST has published an article in their dashboard highlighting our work on atmospheric study towards satellite-based quantum communication.
  2. Delighted to have Dr. Rohini Srivathsa, Chief Technology Officer at Microsoft India and South Asia, visit our lab on 30th October 2024.
  3. Congratulations to our PhD student Mr Saumya Ranjan Behera for bagging the best poster prize at the recently held international conference on quantum communications, measurement and computing (QCMC) at IIT Madras.
  4. Delighted to share that Prof. Urbasi Sinha has been awarded the Rashtriya Vigyan Yuva- Shanti Swarup Bhatnagar award for the year 2024 for her contributions to quantum information, communication and precision tests of quantum mechanics.
  5. Prof. Urbasi Sinha delivered a special public lecture on Photonic Quantum Science and Technology at Raman Research Institute, Bangalore on 14th July 2024, organised by the Cre'active' team of Gauribidanaur. It was covered in the Kannada regional newspaper Kolarapatrike. https://kolarapatrike.in/epaper/m/3827/6698081ae4716
  6. Delighted to have Prof. Abhay Karandikar, Secretary, Department of Science & Technology, visit our lab on 3rd June 2024.
  7. Delighted to share that Prof. Urbasi Sinha has been honoured as a distinguished International Associate by the Royal Academy of Engineering in the UK for the 2024-2025 term.
  8. An interview with Prof. Urbasi Sinha featured in Wired Middle East platform. Expert: The hype about quantum computing applications is 'unnecessary'
  9. Congratulations to Ms. Mehak for winning the 1st prize at the 12th Annual NYUAD International Hackathon for Social Good, focusing on Quantum Computing and AI support.
  10. Congratulations to Dr. Sanchari Chakraborti for successfully defending her thesis on the 18th of April.
  11. Women in Physics: an interview with Prof. Urbasi Sinha has been Published in Nature - Communications Physics. https://www.nature.com/articles/s42005-024-01572-2
  12. Delighted to have Shri Neeraj Mittal, Secretary, Department of Telecommunications, visit our lab on 8th March 2024.
  13. Prof. Urbasi Sinha @Synapse Conclave presented by Shiv Nadar Foundation. https://www.youtube.com/watch?v=8aTbOwXy_lg
  14. Invited lecture by Prof. Urbasi Sinha at Vigyan Bhavan on the occasion of National Science Day-2024 (Vision with Quantum technologies for Viksit Bharat@2047). https://www.youtube.com/watch?v=AO2Dlmv9iOE
  15. Prof. Urbasi Sinha gives the keynote presentation at the University of Calgary's inaugural Creating Tomorrow event on Feb. 21, 2024 (Quantum: Mysteries, Magic, Possibilities). https://www.youtube.com/watch?v=4csRU-UVU04
  16. Delighted to host Prof. Adrian Kent at RRI over the second week of Feb.

2023

  1. Celebrating Prof. Urbasi Sinha for receiving the prestigious Sri Chandrasekarendra Saraswathi National Eminence Award at the ceremony held at Sri Shanmukhananda Fine Arts and Sangeetha Sabha, acknowledging Prof. Sinha's outstanding contributions to Quantum communication and information in India. A moment of pride for the QuIC Lab and the entire Raman Research Institute community.
  2. Congratulations to Prof. Urbasi Sinha for being appointed as the Canada Excellence Research Chair (CERC) in Photonic Quantum Science and Technologies.
  3. Delighted to have Shubhashree Desikan, Associate Editor, Shaastra magazine, visit our lab on 1st June 2023.
  4. Honoured to have Shri D. Veerendra Heggade, Philanthropist and the hereditary administrator (Dharmadhikari) of the Dharmasthala Temple, visit our lab on 5th April 2023.
  5. We look forward to fruitful collaborations!
    Link:
  6. Our recent demonstration of entanglement-based secure quantum communications through an atmospheric free space channel between a stationary source and moving receiver at RRI has received wide media attention! This is the first such demonstration in our country.
    Link:
  7. Honoured to have Shri Srinivas Laxman space journalist contributing regularly to the Times Of India visit our lab on 31st March 2023.
  8. Delighted to have Prof. Rajat Moona, Director of Indian Institute of Technology Gandhinagar, visit our lab on 18th March 2023.
  9. Glad to have Subhra Priyadarshini, Chief Editor, Nature India visit our lab on 7th March 2023.
  10. Pleased to have Tanusri Saha-Dasgupta, Senior Professor and Director at S.N. Bose National Centre for Basic Sciences visit our lab on 6th March 2023.
  11. Honoured to have Gautam Mandal, Professor at TIFR, Mumbai(Department of Theoretical Physics) visit our lab on 8th Feb 2023.
  12. Glad to have Rana X. Adhikari, Professor at the California Institute of Technology (Caltech) visit our lab on 5th Jan 2023.
  13. Towards creating a roadmap for quantum technology in India, Prof. Sinha Urbasi participated in an interministerial committee. It was an honour to meet with Shri Ashwini Vaishnaw (Minister of Railways, Communications, Electronics, and Information Technology).
    Link: https://twitter.com/RRI_Bangalore/status/1613118891898855425?cxt=HHwWgoDTwbzF-eIsAAAA.

2022

  1. Our new contribution on "Direct determination of entanglement monotones for arbitrary dimensional bipartite states using statistical correlators and one set of complementary measurements," has been accepted for publication in Quantum Science and Technology.
    Link: https://iopscience.iop.org/article/10.1088/2058-9565/ac8e28.
  2. Honoured to have Shri Abdul Kayum Deputy Director General, 6G Technologies and Shri Venkata Rama Raju Chelle, Director, 6G Technologies,from the Department of Telecommunications, Govt of India visiting our lab on 13th September 2023.
  3. Our new contribution on relating entanglement measures in higher dimensional quantum systems is now on the arXiv!
    Link: https://arxiv.org/abs/2201.06188..
  4. Our new contribution on the determination of entanglement monotones in higher dimensional quantum systems is now on the arXiv!
    Link: https://arxiv.org/abs/2201.00131.
  5. Honoured to have Prof. Sandip Trivedi, who was the Director and Senior Professor at TIFR, Mumbai visit our lab on 9th September 2022.
  6. Our new contribution towards polarization correction towards satellite-based QKD without an active feedback is now on the arXiv!
    Link: arXiv:2208.09124(2022).
  7. Excited to share our new work on Entanglement protection in higher dimensions has now been accepted..!
    Link: https://iopscience.iop.org/article/10.1088/1402-4896/ac8200.
  8. Excited to share our new work on Quantum Computers is now published:
    Link: https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.4.L022001.
  9. Honoured to have DST Secretary, Dr. Srivari Chandrasekhar visit our lab on 20th June 2022.
  10. Honoured to have RRI council member, Prof. Rupamanjari Ghosh visit our lab on 3rd June 2022.
  11. Our lab's work on Quantum Computers has been highlighted in media..!
    Link:
  12. Our new contribution towards unambiguous joint detection is now on the arXiv!
    Link: https://arxiv.org/abs/2201.11425.
  13. Our new contribution on relating entanglement measures is now on the arXiv!
    Link: https://arxiv.org/abs/2201.06188.
  14. Excited to share our new work on loophole-free violation of Leggett-Garg inequality is now published:
    Link: https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.3.010307.
  15. Our new contribution on the determination of entanglement monotones is now on the arXiv!
    Link: https://arxiv.org/abs/2201.00131.
  16. Celebrated our 10th lab anniversary and are happy to provide a tour of our ongoing research activities to a varied set of staff and student members of RRI.

2021

  1. Excited to share our new work on Quantum Computers..!
    Link: https://arxiv.org/abs/2111.02136.
  2. Humbled by this recognition from Communications Physics (Nature).
    Link: https://www.nature.com/commsphys/referees/outstanding-referees.
  3. Excited to be speaking at the Vienna Quantum Foundations conference!
    Link: https://vqf.iqoqi.oeaw.ac.at/.
  4. World Quantum Day network launched!
    Link: https://worldquantumday.org/about-us/.
  5. Our recent demonstration of entanglement-based secure quantum communications through an atmospheric free space channel between two buildings at RRI has received wide media attention! This is the first such demonstration in our country.
    Link:
  6. Our lab's work is broadcasted by the National news channel Doordarshan during DD News dated 7th February 2021!
    Link:
  7. The office of the Principal Scientific Officer of the Prime Minister has highlighted our lab's work on their website. This is now a top-featured article from the office of the PSA!
    Link: https://www.psa.gov.in/article/way-lab-bengaluru-leading-india-quic-ly-catch-quantum-race/2487.
  8. Our QKD and QSI works are chosen as one of the top 20 success stories of 2020 by the Department of Science and Technology, Govt. of India!
    Link: https://dst.gov.in/sites/default/files/DST-Achievement2020.pdf.
  9. Our QKD research is chosen as one of the top 10 innovations for 2020 by India Science!
    Link: https://worldquantumday.org/about-us/.
  10. India International Science Festival!
    Link: https://iisfvirtual.in.
  11. Fantastic opportunity to work on a cutting edge project in experimental quantum communications with international partners!
    Link: http://www.rri.res.in/downloads/Advt_PostDoc_10_2019.pdf.

2020

  1. Congratulations to Sourav Chatterjee on being declared the winner in the BRICS World Skils Quantum technology competition organised by the Russian Quantum Centre.
    Link: https://rqc.ru/article/the-worldskills-international-online-competition-in.
  2. News station covers QSI: News station covers our work on QSI in first interview and our general efforts towards satellite based quantum communication in the second interview!
    Link:
  3. Our Quantum State Interferography experiment accepted for publication in Physical Review Letters!
    Link: https://journals.aps.org/prl/accepted/3607bY09D3214e77d23f4a87330320d171b04ebfb.
  4. A recent blog article on our work.
    Link: https://medium.com/quantumcomputingindia/secure-quantum-communications-101-by-dr-urbasi-8fc4c946ba55.
  5. Article in Vigyan Samachar on our QSI work.
    Link: https://vigyanprasar.gov.in/wp-content/uploads/vigyan_samachar_dst_01_25Aug2020.pdf.
  6. New grant on Centre for Excellence in Quantum Technology!
    Link: https://iisfvirtual.in.
  7. Check out our new contribution: Quantum State Interferography!
    Link: https://arxiv.org/abs/2002.07446.
  8. Correlations in higher dimensions now published!
    Link: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.101.022112.
  9. https://journals.aps.org/pra/accepted/5607eY3eG8413146687898f7df49d85ba63eb5380
    Link: https://www.natureasia.com/en/nindia/article/10.1038/nindia.2020.117.
  10. Our new contribution towards protecting entanglement in higher dimensions is on the arXiv!
    Link: https://arxiv.org/abs/2001.07604.
  11. privileged to be invited to write for Scientific American!
    Link: https://www.scientificamerican.com/article/quantum-slits-open-new-doors/.
  12. Research coverage in New Scientist!
    Link: https://www.newscientist.com/article/mg24532731-200-how-quantum-computing-got-a-boost-from-an-experiment-in-a-cornfield/.
  13. Times of India covers our new QKD work!
    Link: https://m.timesofindia.com/india/rri-researchers-toolkit-to-aid-secure-communication/articleshow/76688626.cms?fbclid=IwAR3Ca_CW2N0J5luHf1BCaTSIYe8Jq0BJmEMqm4rqXqs8eIA3ppAs0vj6tyY.
  14. Yours truly discusses Quantum Computing on TV BRICS Russia!
    Link: https://roscongress.org/en/sessions/kvantovye-vychisleniya-otvety-na-globalnye-vyzovy/translation/.

2019

  1. And we continue our journey in higher dimensional photonic systems.
    Link: https://arxiv.org/abs/2002.07446.
  2. Check out our experiment revisiting entanglement measures in qubits.
    Link: https://arxiv.org/abs/1907.09268
  3. Double slit as a lossy beam splitter!
    Link: https://arxiv.org/abs/1906.07450
  4. Hong-Ou-Mandel effect: New surprises and revelations!
    Link: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.100.013839.
  5. Humbled by this honour!
    Link: https://www.asianscientist.com/2019/03/features/26-fantastic-female-scientists/.
  6. New grant on experimental quantum communications..!
    Lab gets new grant under the ITPAR programme of the DST for collaborative project on integrated photonic circuit based experimental quantum communications in collaboration with the University of Trento, Italy! Look forward to interesting science and technology from an exciting area!
  7. Non Hermitian operator using weak values: Experiment published in Physical Review A!!
    Link: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.99.022111.
  8. Our feature review on single photon sources now published in Optics and Photonics news, Optical Society of America!
    Link: https://www.osa-opn.org/home/articles/volume_30/september_2019/features/single-photon_sources/?fbclid=IwAR3aXJDj1dtB90MZxE0-FM2eNpHRarBFB-Hb3EZS0J1GtGC3ARgOTgQp9Yc.
  9. Our new contribution to Quantum Key Distribution is now on the arXiv!
    Link: https://arxiv.org/abs/1912.10061?fbclid=IwAR0r8uzJA_9iwp8ow57YJXIh1tIoZfmZOh5f6OW4j_oBDPZmOqgD17pdXbk.
  10. Our new insights and experiment on entanglement measures in qubits published in JOSA B!
    Link: https://www.osapublishing.org/abstract.cfm?uri=josab-37-1-157.
  11. Our new invited feature article on single photon sources!
    Link: https://arxiv.org/abs/1906.09565.
  12. Yours truly now a part of the ITU-T Focus Group on Quantum Information Technology for Networks!
    Link: https://www.itu.int/en/ITU-T/focusgroups/qit4n/Pages/default.aspx.

2018

  1. Check out our newly launched lab website!
    Link: http://www.rri.res.in/quic/
  2. Can we measure the average value of a Non Hermitian operator in the lab? Yes, we can! Check out our new experiment!
    Link: https://arxiv.org/abs/1807.09014.
  3. Cheshire Cat appraisal paper published in Annals of Physics!
    Link: https://www.sciencedirect.com/science/article/pii/S0003491618300198
  4. Conference Report on our recently conducted QFF2018 conference published in Current Science!
    Link: http://www.currentscience.ac.in/php/auth.php?authid=52079&author=Sinha,%20Urbasi
  5. Humbled by this recognition...Thank you Asian Scientist magazine!
    Link: https://www.asianscientist.com/2018/11/features/asias-scientific-trailblazers-urbasi-sinha/?mc_cid=c20047c580&mc_eid=9a67167fce&fbclid=IwAR1eQGOyCpbvY-OfQXtnlV3jaZzbn7j10E2c5dLYXLIbKWeCrm01CIDuz4o.
  6. ICTP-ICO Gallieno Denardo Award 2018 for yours truly!
    Link: https://www.ictp.it/about-ictp/media-centre/news/2018/2/sinha-ico-ictp-awardee.aspx.
  7. Physics World reports on our new research!
    Link: https://physicsworld.com/a/exotic-non-classical-paths-affect-quantum-interference-experiment-confirms/.
  8. Subhajit wins best Poster Award at ISNFQC18. Congratulations Subhajit!
    Link: http://newweb.bose.res.in/Conferences/ISNFQC18/index.jsp.
  9. Superposition and Feynman paths experiment published in New Journal of Physics!
    Link: http://iopscience.iop.org/article/10.1088/1367-2630/aac92c.
  10. We love correlations and especially in higher dimension. Check out our new work!
    Link: https://www.osapublishing.org/osac/abstract.cfm?uri=osac-1-3-996.

2017

  1. Homi Bhabha Fellowship for yours truly!
    Link: http://homibhabhafellowships.com/About.aspx.
  2. Honoured to have Department of Science and Technology Secretary Professor Ashutosh Sharma visit our lab on the 6th April 2017. High praise from a visionary; we are delighted.
  3. New work on weak measurements!
    Link: https://arxiv.org/abs/1703.02959.
  4. Paper on Correlated photonic qutrit pairs out...
    Link: https://arxiv.org/abs/1702.02581.
  5. Paper on sudden death of Entanglement published!
    Link: https://arxiv.org/abs/1703.01159.
  6. Simanraj gets a Canadian Queen Elizabeth II Diamond Jubilee Scholarship!

2016

  1. First measurement of non zero Sorkin parameter: 2.5 years of effort but certainly worth it!
    Link: https://arxiv.org/abs/1610.09143.
  2. Honoured to have Minister for Science, Innovation and Economic Development Canada, Navdeep Bains visit my lab.
    Link: http://news.gc.ca/web/article-en.do?nid=1151049.
  3. New paper in IJQI!
    Link: http://www.worldscientific.com/doi/10.1142/S0219749916500246.

2015

  1. Envariance work published in Physical Review A.
    Link: http://journals.aps.org/pra/abstract/10.1103/PhysRevA.91.012120.
  2. New Superposition paper published in Nature Scientific Reports!
    Link: http://www.nature.com/srep/2015/150514/srep10304/full/srep10304.html.
  3. Research Grant awarded to us by the Templeton Foundation!
    Link: https://www.templeton.org/ This news also features on the newly formed RRI Facebook page: https://www.facebook.com/pages/Raman-Research-Institute/1472540063040273?fref=nf.
  4. Thumbs up to Women in Science!
    Link: http://www.jagran.com/uttar-pradesh/allahabad-city-13289793.html.

2014

  1. We are in the news!
    Link: http://www.telegraphindia.com/1140825/jsp/nation/story_18757472.jsp#.U_q2e_m1ZyA.
  2. Measuring Non Hermitian operators via weak values, accepted for publication in Physical Review A!
    Link: https://journals.aps.org/pra/accepted/5607eY3eG8413146687898f7df49d85ba63eb5380.
  3. New paper on the arXiv
    Link: http://arxiv.org/abs/1412.2198.
  4. New paper on the arXiv
    Link: http://arxiv.org/abs/1408.7087.
  5. New paper on the arXiv
    Link: http://xxx.lanl.gov/abs/1406.3007.
  6. Now US also a part of HRI!
    Link: http://www.hri.res.in/~qic/QIPA/qipa-mem.html.
  7. Paper appears in PRL along with a focus story...
    Link: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.113.120406.
  8. Paper in Physical Review Letters!
    Our paper arXiv:1308.2022 has been accepted for publication in Physical Review Letters!