Chromatic interferometry with small frequency differences

doi:10.1364/OE.402560

Chromatic interferometry with small frequency differences

2020-10-12

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FrankWilczek (Frank Wilczek)

P

Pan, Wan-Wei

DOI：10.1364/OE.402560

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Abstract

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By developing a 'two-crystal' method for color erasure, we can broaden the scope of chromatic interferometry to include optical photons whose frequency difference falls outside of the 400 nm to 4500 nm wavelength range, which is the passband of a PPLN crystal. We demonstrate this possibility experimentally, by observing interference patterns between sources at 1064.4 nm and 1063.6 nm, corresponding to a frequency difference of about 200 GHz. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Keywords:

SUPERRESOLUTION MICROSCOPY

QUANTUM

INTERFERENCE

PHOTONS

Chromatic interferometry with small frequency differences

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