Visible high extinction ratio electro-optic modulator via frequency upconversion for atomic systems
We realized a device that modulates the signal in the C-band and generates the second harmonic, obtaining a signal in the visible with double extinction ratio.
This building block is perfectly suited for replacing bulky components in tabletop experiments such as cold atoms and ion traps, that require to control the atomic states with very clear selection between the on and off signal.
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