Abstract
We propose a scheme for the ultrafast control of the emitter-field coupling rate in cavity quantum electrodynamics. This is achieved by the control of the vacuum field seen by the emitter through a modulation of the optical modes in a coupled-cavity structure. The scheme allows the on-off switching of the coupling rate without perturbing the emitter and without introducing frequency chirps on the emitted photons. It can be used to control the shape of single-photon pulses for high-fidelity quantum state transfer, to control Rabi oscillations, and as a gain-modulation method in lasers. We discuss two possible experimental implementations based on photonic crystal cavities and on microwave circuits.
| Original language | English |
|---|---|
| Article number | 063807 |
| Pages (from-to) | 063807-1/5 |
| Number of pages | 5 |
| Journal | Physical Review A: Atomic, Molecular and Optical Physics |
| Volume | 91 |
| DOIs | |
| Publication status | Published - 2015 |
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