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Tunable Optical Coherence Tomography in the Infrared Range Using Visible Photons
We report a proof-of-concept demonstration of a tunable infrared (IR) optical coherence tomography (OCT) technique with detection of only visible range photons. Our method is based on theExpand
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Infrared spectroscopy with visible light
The refractive index and absorption coefficient of a medium in the infrared range are measured using visible spectral range components. The technique relies on nonlinear interference of infrared andExpand
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Quantum Spectroscopy of Plasmonic Nanostructures
We use frequency entangled photons, generated via spontaneous parametric down conversion, to measure the broadband spectral response of an array of gold nanoparticles exhibiting Fano-type plasmonExpand
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Controlling the spectrum of a two-photon field: Inhomogeneous broadening due to a temperature gradient
A method is proposed and implemented for controlling the spectrum of spontaneous parametric down-conversion. The method is based on generating a temperature gradient along a nonlinear crystal inExpand
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Accessing photon bunching with photon number resolving multi-pixel detector
The intensity correlation function of squeezed vacuum, produced in an OPA, was measured with a photon-number resolving multi-pixel detector (MPPC). Based on realistic MPPC model, strong photonExpand
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Measurement of infrared optical constants with visible photons
We demonstrate a new scheme of infrared spectroscopy with visible light sources and detectors. The technique relies on the nonlinear interference of correlated photons, produced via spontaneousExpand
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Infrared Spectroscopy with Visible Light
We present a novel infrared spectroscopy technique, which uses well-developed and low-cost optical components designed for operation in the visible range. The method is based on nonlinearExpand
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Time-resolved spectroscopy with entangled photons
Interaction of light with media often occurs with a femtosecond response time. Its measurement by conventional techniques requires the use of femtosecond lasers and sophisticated time-gated opticalExpand
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Biphoton spectroscopy of YAG:Er3+ crystal
The absorption spectrum of Er3+ ions in YAG crystal in the range from 645 nm to 655 nm was measured with the resolution of 0.01 nm using the frequency-anticorrelated broadband photon pairsExpand
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Quantum interference in the presence of a resonant medium
Interaction of light with media often occurs with a femtosecond response time. Its measurement by conventional techniques requires the use of femtosecond lasers and sophisticated time-gated opticalExpand
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