AI Article Synopsis
- The study demonstrates that the Goos-Hänchen shift, which affects tunneling delay, is notably reduced in cases of frustrated total internal reflection.
- Researchers utilized a Hong-Ou-Mandel interferometer to achieve precise measurements of reflection delays at optical frequencies, with resolutions measured in femtoseconds.
- A liquid-crystal-filled double-prism setup was employed to allow for real-time adjustments of the refractive index in the barrier area.
Article Abstract
We present experimental evidence that the contribution of the Goos-Hänchen shift to tunneling delay is suppressed in frustrated total internal reflection. We use a Hong-Ou-Mandel interferometer to perform direct time measurements of reflection delays with femtosecond resolution at optical frequencies, and take advantage of a liquid-crystal-filled double-prism structure to dynamically change the refractive index of the barrier region.
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| http://dx.doi.org/10.1103/PhysRevLett.111.030404 | DOI Listing |
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