Abstract
We propose a pump-probe signal, whereby the sample is excited by a classical pulse, and—after a variable time delay—probed by a photon from an entangled pair, which is finally detected in coincidence with its twin. This setup offers an improved time and frequency resolution compared to a classical pump-probe signal, and can be used to enhance or suppress selected resonances.
- Received 9 September 2015
- Revised 9 November 2015
DOI:https://doi.org/10.1103/PhysRevA.93.023807
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