Joint IQC/Physics Seminar featuring Wenchao Xu, MIT
Quantum information science promises great potential to revolutionize our current technologies such as quantum computation, which can solve classically inaccessible problems. To build a practical quantum computer, it is essential to have precise control over individual quanta. By interfacing free-space photons and atomic platforms, we can maximize the performance of quantum computation, as each platform has its own advantages.
In this talk, I will first show how we manipulate individual photons, the smallest energy carrier of light, by using an atomic ensemble as a quantum nonlinear optical medium. The nonlinear medium allows for full control over interactions between photons, with interactions being the key ingredient to photonic quantum information processing. In the second part, I will show a new approach for building a quantum computer with arrays of atomic ensembles. By harnessing the collective optical effects of atomic ensembles, we demonstrated the fast preparation and detection of atomic qubits, which enables significantly faster quantum computation in atomic arrays.
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Meeting ID: 918 6946 4321
Passcode: 7iZxDtU
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