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91̽»¨
Atomic and Laser Physics
Credit: Jack Hobhouse

Dr Raghavendra Srinivas

EPSRC Quantum Technologies Fellow

Sub department

  • Atomic and Laser Physics

Research groups

  • Ion trap quantum computing
raghavendra.srinivas@physics.ox.ac.uk
Clarendon Laboratory, room Old Library
  • About
  • Publications

I have worked with trapped ions for more than a decade and have come to appreciate them as a uniquely powerful platform for experimentally exploring quantum physics. While my PhD work initially focused on quantum computing, my research interests have since expanded significantly to include quantum-enhanced metrology and fundamental quantum optics.

I began my PhD in 2013 at the University of Colorado, Boulder, joining Dave Wineland’s group. My research focused on developing new techniques for entangling ions without lasers, leading to one of the . In 2020, I joined David Lucas’ quantum networking experiment at 91̽»¨, where we demonstrated . I was subsequently awarded an to advance these proof-of-principle experiments towards practical quantum enhancement. I was also an Early Career Fellow at Balliol College from 2022–2025.

In parallel, I have continued to expand my research in quantum computing. At the 91̽»¨, we explore laser-based quantum information processing, including new benchmarking protocols and novel types of entangling gates. Alongside this, I continued my PhD work part-time at 91̽»¨ Ionics, contributing to the development of large-scale quantum processors through new techniques for and , and .

Alongside this applied work, I have pursued more fundamental research in quantum optics. Building on my exposure to , we have explored generalised squeezing interactions, including the. We subsequently extended this technique to generate , opening up new opportunities to explore quantum optics in previously inaccessible regimes. In recognition of this work, I was awarded the .

Finally, I view outreach as an integral part of my scientific leadership and career. In 2022, I helped to found an annual week-long summer school with the National Quantum Computing Centre to widen participation in quantum technologies for underrepresented students. Ultimately, I want others to have access to the same opportunities that I have been privileged to enjoy. I am always keen to explore new outreach opportunities and welcome ideas or collaborations.

You can also read more about me here -

And my full publication record is available on Google scholar -

Selected publications

An elementary quantum network of entangled optical atomic clocks

Nature Springer Nature 609:7928 (2022) 689-694
Bc Nichol, R Srinivas, Dp Nadlinger, P Drmota, D Main, G Araneda, Cj Ballance, Dm Lucas

High-fidelity laser-free universal control of trapped ion qubits

Nature Springer Nature 597:7875 (2021) 209-213
R Srinivas, SC Burd, HM Knaack, RT Sutherland, A Kwiatkowski, S Glancy, E Knill, DJ Wineland, D Leibfried, AC Wilson, DTC Allcock, DH Slichter
See all publications

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