38 Quantum Frequency Combs
Claude Fabre and Nicolas Treps
Sorbonne Université, CNRS, ENS‐Université PSL, Collège de France 4 place Jussieu, 75252 Paris 05, France
This chapter describes the main results that have been recently obtained at the Laboratoire Kastler Brossel at the University Pierre Marie Curie in Paris concerning the quantum properties of optical frequency combs generated by parametric down‐conversion and their use for quantum information processing.
The main interest of this physical system is its ability to generate highly multimode quantum light in the form of trains of ultrafast pulses, or “optical frequency combs,” in which the different teeth of the comb are highly entangled. In particular, this system provides ...
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