Microscope using quantum-mechanically entangled photons

Details Microscope using quantum-mechanically entangled photons Microscope using quantum-mechanically entangled photons

2008-01-22

2008-01-22

Lee, Hwa (Andrew) (Department: 2886)

Optics: measuring and testing

By light interference

Having light beams of different frequencies

C356S317000

Reexamination Certificate

active

07321429

ABSTRACT:
A microscope includes a photon source which sequentially generates sets of quantum-mechanically entangled photons including at least two photons, a lens which focuses a set of photons, an actuator which varies a relative distance between a focal position of the lens and a specimen with a minute displacement, a detector detecting photons transmitted through or scattered by the specimen, and a counter counting coincidence detections of n-numbers of photons with the detector during a gating time which is set so that a rate that a number of photons detected during thereof belong to a single set of quantum-mechanically entangled photons exceeds a predetermined rate depending on the varied relative distance.

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Milena D'Angelo, et al., “Two-Photon Diffraction and Quantum Lithography”, Physical Review Letters, The American Physical Society, vol. 87, No. 1, Jul. 2, 2001, pp. 013602-1-013602-4.

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