Monthly Archives: December 2009

Entangled Colors

Our paper Discrete, tunable color entanglement has been published in Physical Review Letters. Two photons can be entangled in many different degrees of freedom, such as their polarization (the all-time favorite in the community). Photon pairs created in spontaneous parametric downconversion are intrinsically entangled in energy (and thus in frequency) and momentum. The frequency entanglement […]

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