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Publications

     2024   

  • Niobium coaxial cavities with internal quality factors exceeding 1.5 billion for circuit quantum electrodynamics, Andrew E. Oriani, Fang Zhao, Tanay Roy, Alexander Anferov, Kevin He, Ankur Agrawal, Riju Banerjee, Srivatsan Chakram, David I. Schuster, arXiv:2403.00286.
  • Crosstalk-Robust Quantum Control in Multimode Bosonic Systems, Xinyuan You, Yunwei Lu, Taeyoon Kim, Doga Murat Kurkcuoglu, Shaojiang Zhu, David van Zanten, Tanay Roy, Yao Lu, Srivatsan Chakram, Anna Grassellino, Alexander Romanenko, Jens Koch, Silvia Zorzetti, Physical Review Applied 22 (4), 044072 (2024) 

     2023     

  • Efficient multimode Wigner tomography, Kevin He, Ming Yuan, Yat Wong, Srivatsan Chakram, Alireza Seif, Liang Jiang, and David I. Schuster, Nature communications 15 (1), 4138 (2024).
  • Suppression of quasiparticle poisoning in transmon qubits by gap engineering, Plamen Kamenov, Thomas J. DiNapoli, Michael Gershenson, Srivatsan Chakram, arXiv:2309.02655.
  • Stimulated emission of signal photons from dark matter waves, Ankur Agrawal, Akash V. Dixit, Tanay Roy, Srivatsan Chakram, Kevin He, Ravi K. Naik, David I. Schuster, Aaron Chou, Physical review letters 132 (14), 140801 (2024).
  • Microarchitectures for Heterogeneous Superconducting Quantum Computers, Samuel Stein, Sara Sussman, Teague Tomesh, Charles Guinn, Esin Tureci, Sophia Fuhui Lin, Wei Tang, James Ang, Srivatsan Chakram, Ang Li, Margaret Martonosi, Fred T. Chong, Andrew A. Houck, Isaac L. Chuang, Michael Austin DeMarco, arXiv:2305.03243.

     2022     

  • Chiral Cavity Quantum Electrodynamics, John Clai Owens, Margaret G. Panetta, Brendan Saxberg, Gabrielle Roberts, Srivatsan Chakram, Ruichao Ma, Andrei Vrajitoarea, Jonathan Simon, and David Schuster, Nat. Phys. (2022).
  • Multimode photon blockade, Srivatsan Chakram*, Kevin He*, Akash Dixit, Andrew Oriani, Ravi Naik, Nelson Leung, Hyeokshin Kwon, Wen-Long Ma, Liang Jiang, David Schuster, Nat. Phys. (2022).

     2021

  • Seamless high-Q cavities for multimode circuit quantum electrodynamics, Srivatsan Chakram*, Andrew Oriani*, Ravi Naik, Akash Dixit, Hyeokshin Kwon, David Schuster, Phys. Rev. Lett.  127, 107701 (2021).
  • Searching for dark matter with a superconducting qubit, Akash Dixit, Srivatsan Chakram, Kevin He, Ankur Agarwal, Ravi Naik, David I. Schuster, Aaron Chou, Phys. Rev. Lett. 126, 141302 (2021)
  • Universal fast flux control of a coherent, low-frequency qubit, Helin Zhang, Srivatsan Chakram, Tanay Roy, Nathan Earnest, Yao Lu, Ziwen Huang, Daniel Weiss, Jens Koch, David I. Schuster, Phys.Rev.X, 11, 011010 (2021).

     2019

  • Two-dimensional material tunnel barrier for Josephson junctions and superconducting qubits, Kan-Heng Lee, Srivatsan Chakram, Shi En Kim, Fauzia Mujid, Ariana Ray, Hui Gao, Chibeom Park, Yu Zhong, David Muller, David Schuster, Jiwoong Park,  Nano Letters, 19, 11, 8287–8293 (2019).
  • Deterministic bidirectional communication and remote entanglement generation between superconducting qubits, N. Leung, Y. Lu, S. Chakram, R. K. Naik, N. Earnest, R. Ma, K. Jacobs, A.N. Cleland, D.I. Schuster, npj Quantum Information, 5, 18 (2019).

     2018

  • Realization of a Λ system with metastable states of a capacitively-shunted fluxonium, N. Earnest, S. Chakram, Y. Lu, N. Irons, R. K. Naik, N. Leung, J. Lawrence, Jens Koch, DavidI. Schuster, Jens Koch, D. I. Schuster, Phys. Rev. Lett., 120, 150504 (2018).
  • Universal stabilization of a parametrically coupled qubit, Y. Lu, S. Chakram, N. Leung, N. Earnest, R. K. Naik, Z. Huang, P. Groszkowski, E. Kapit, Jens Koch, D. I. Schuster, Phys. Rev. Lett., 119, 150502 (2018).

     2017

  • Random access quantum information processors using multimode circuit quantum electrodynamics, R. K. Naik*, N. Leung*, S. Chakram*, P. Groszkowski, Y. Lu, N. Earnest, D. C. McKay, Jens Koch, D. I. Schuster, Nature Communications, 8, 1904 (2017).

     2016

  • Nonlinear Phonon Interferometry at the Heisenberg Limit, H. F. H. Cheung, Y. S. Patil, L. Chang, S. Chakram, M. Vengalattore, arXiv:quant-ph/160102324 (2016).

     2015

  • Multimode phononic correlations in a non-degenerate parametric amplifier, S. Chakram, Y. S. Patil, M. Vengalattore, New Journal of Physics, Volume 17, June (2015).
  • Measurement-Induced Localization of an Ultracold Lattice Gas, Y. S. Patil, S. Chakram, M. Vengalattore,  Phys. Rev. Lett.,115, 140402 (2015). (“Weeping Angel” Effect Freezes Atoms in Place, , Quantum Locked : Physicists demonstrate Weeping Angel effect, APS’s Physics Buzz)
  • Thermomechanical two-mode squeezing in an ultrahigh Q membrane resonator, Y. S. Patil, S. Chakram, L. Chang and M. Vengalattore, Phys. Rev. Lett.115, 017202 (2015) (Cornell Chronicle – Physicists close in on world’s most sensitive resonators)

     2014

  • Nondestructive imaging of an ultracold lattice gas, Y. S. Patil, S. Chakram, L. M. Aycock, and M. Vengalattore,  Phys. Rev. A90, 033422 (2014).(Featured in Kaleidoscope, Phys. Rev. A)
  • Dissipation in ultahigh quality factor membrane resonators, S. Chakram, Y. S. Patil, L. Chang, and M. Vengalattore, Phys. Rev. Lett.112, 127201 (2014).(Featured in Advances in Engineering)

     2006

  • Gentile statistics and restricted partitions, Srivatsan C. S., Murthy M. V. N., and Bhaduri R. K., Pramana – J. Phys. 66, 3, 485-494 (2006).