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Quantum optics

Enhanced quantum light generation

The use of a specially designed cavity to enhance the intensity of femtosecond ultraviolet pulses dramatically increases the rate at which non-classical states of light can be produced.

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Figure 1: UV femtosecond enhancement cavity for intracavity spontaneous parametric down-conversion.
Figure 2: Filtering of the laser spectrum occurs when the femtosecond frequency comb is not optimally aligned to the resonant modes of the cavity.


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Jones, R. Enhanced quantum light generation. Nature Photon 4, 138–140 (2010).

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