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Freiburg 2019 – FM Tuesday

FM 28: Focus Talk: Quantum Spectroscopy

Time: Tuesday 11:0012:00 Location: 2004

Focus Talk FM 28.1 Tue 11:00 2004

An introduction to quantum spectroscopy —∙Frank Schlawin

— Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

Quantum light is an intriguing candidate for novel spectroscopic ap- plications due to its nonclassical fluctuations, which can enhance the nonlinear response of a sample. For instance, it has been long estab- lished that squeezed states of light show a linear, rather than quadratic, intensity scaling of the two-photon absorption signal [1]. In addition,

entangled states of light feature strong time and frequency correlations that can be further used to manipulate or control nonlinear optical sig- nals [2].

In this focus talk, I will present an introduction into the theory of quantum spectroscopy, outline different ideas to exploit quantum fea- tures of light in spectroscopic measurements and review the current state of experiments.

[1] N. P. Georgiades et al., Phys. Rev. Lett. 75, 3426 (1995).

[2] K. E. Dorfman, F. Schlawin and S. Mukamel, Rev. Mod. Phys.

88, 045008 (2016).

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