physics

Urbasi Sinha

Urbasi Sinha is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Urbasi Sinha rather than just read about it. In short: Urbasi Sinha is an Indian physicist and professor at the Raman Research Institute. Her research considers quantum information science and quantum photonics.

Key takeaways

Urbasi Sinha belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Urbasi Sinha to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Urbasi Sinha from memory before moving on to harder problems.

Reference excerpt

Urbasi Sinha is an Indian physicist and professor at the Raman Research Institute. Her research considers quantum information science and quantum photonics. She was named in the Asian Scientist 100 list in 2018, appointed an Emmy Noether Fellow in 2020 and awarded the Chandrasekarendra Saraswathi National Eminence Award in 2023. She was awarded the Vigyan Yuva Shanti Swarup Bhatnagar Award in the Physics category in 2024.

Early life and education Sinha was born in London and completed her undergraduate from Jadavpur university graduate and doctoral degrees at the University of Cambridge. Her research considered superconducting devices. Her doctorate involved explorations of the Josephson effect. She moved to the Institute for Quantum Computing for her postdoctoral research, where she became interested in quantum computing and optics. Here she developed a triple-slit variation to the double-slit experiment; testing the Born rule. The Born rule predicts the probability that a measurement made in a quantum system will give a particular result.

Research and career She served as an associate professor at the Raman Research Institute from 2012 to 2019, and was appointed as a Professor there in 2020. At Raman Research Institute, she leads the Quantum Information and Computing (QuIC) Laboratory, where she began working on quantum photonics and the development of a quantum internet. Alongside technological applications, Sinha is interested in testing fundamental quantum phenomena, including Leggett–Garg inequality. In 2017, Sinha was appointed a Homi Bhabha Fellow at the Cavendish Laboratory. In 2020, Sinha became an Emmy Noether Fellow at the Perimeter Institute for Theoretical Physics. Her research group demonstrated a quantum communication channel between fixed and moving platforms in 2023, the same year she was awarded a Canada Excellence Research Chair in Photonic Quantum Science and Technologies at the University of Calgary. Sinha is also involved with designing the National Quantum Mission India.

Awards and honours 2017 Homi Bhabha Fellow 2018 ICTP-ICO Gallieno Denardo Award in Optics 2019 Asian Scientist 100, Asian Scientist 2023 Chandrasekarendra Saraswathi National Eminence Award 2024 Vigyan Yuva Shanti Swarup Bhatnagar Award in the Physics category

Select publications Urbasi Sinha; Christophe Couteau; Thomas Jennewein; Raymond Laflamme; Gregor Weihs (1 July 2010). "Ruling out multi-order interference in quantum mechanics". Science. 329 (5990): 418–421. arXiv:1007.4193. Bibcode:2010Sci...329..418S. doi:10.1126/science.1190545. ISSN 0036-8075. PMID 20651147. Zbl 1226.81016. Wikidata Q34127474. Rahul Sawant; Joseph Samuel; Aninda Sinha; Supurna Sinha; Urbasi Sinha (19 September 2014). "Nonclassical paths in quantum interference experiments". Physical Review Letters. 113 (12) 120406. arXiv:1308.2022. doi:10.1103/physrevlett.113.120406. ISSN 0031-9007. PMID 25279612. Wikidata Q57162751. Urbasi Sinha; Christophe Couteau; Zachari Medendorp; et al. (2009). "Testing Born's Rule in Quantum Mechanics with a Triple Slit Experiment". AIP Conference Proceedings. arXiv:0811.2068. doi:10.1063/1.3109942. ISSN 0094-243X. Wikidata Q62109689.

Personal life Her husband, Aninda Sinha, is a high energy physicist at the Indian Institute of Science.

References

Illustrations

Worked examples

Example 1 — a first encounter with Urbasi Sinha

Start with the simplest possible case. Write down what Urbasi Sinha claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Urbasi Sinha before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Urbasi Sinha ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Urbasi Sinha

In research: Urbasi Sinha appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Urbasi Sinha in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Urbasi Sinha is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alumni of the University of Cambridge, Homi Bhabha Fellows, Indian physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Urbasi Sinha outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Urbasi Sinha in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Urbasi Sinha means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Urbasi Sinha out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Urbasi Sinha in simple terms?

Urbasi Sinha is an Indian physicist and professor at the Raman Research Institute. Her research considers quantum information science and quantum photonics.

Why does Urbasi Sinha matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Urbasi Sinha?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Urbasi Sinha.