Time-reversal symmetrization of spontaneous emission for quantum state transfer

Srikanth J. Srinivasan, Neereja M. Sundaresan, Darius Sadri, Yanbing Liu, Jay M. Gambetta, Terri Yu, S. M. Girvin, Andrew A. Houck

Research output: Contribution to journalArticle

36 Scopus citations

Abstract

We demonstrate the ability to control spontaneous emission from a superconducting qubit coupled to a cavity. The time domain profile of the emitted photon is shaped into a symmetric truncated exponential. The experiment is enabled by a qubit coupled to a cavity, with a coupling strength that can be tuned in tens of nanoseconds while maintaining a constant dressed state emission frequency. Symmetrization of the photonic wave packet will enable use of photons as flying qubits for transferring the quantum state between atoms in distant cavities.

Original languageEnglish (US)
Article number033857
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume89
Issue number3
DOIs
StatePublished - Mar 31 2014

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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