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Sampreet Kalita on Muck Rack

Sampreet Kalita

As seen in: Physical Review B
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Articles

Synchronization of a superconducting qubit to an optical field mediated by a mechanical resonator

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By Sampreet Kalita, Amarendra K. Sarma, Roson Nongthombam
| Physical Review B
Abstract We study the synchronization of a superconducting qubit to an external optical field via a mechanical resonator in a hybrid electrooptomechanical system. The quantum trajectory method is employed to investigate synchronization. The bistability in one of the qubit polarization vectors, where the qubit rotates about the polarization vector, is observed for a single quantum trajectory run. The rotation in one of the stable states is synced with the external optical drive.
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Pump-probe cavity optomechanics with a rotating atomic superfluid in a ring

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By Pardeep Kumar, Sampreet Kalita, Rina Kanamoto, M. Bhattacharya
| Physical Review B
Abstract Atomic superfluids confined in a ring provide a remarkable paradigm for quantized circulation. Very recently, a technique based on cavity optomechanics has been proposed [Kumar et al., Phys. Rev. Lett. 127, 113601 (2021)] for sensing and manipulating the rotation of a bosonic ring condensate with minimal destruction, in situ and in real time. Here, we theoretically investigate other coherent interference effects that can be supported by the proposed configuration.
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