Abstract
It has been suggested that one can observe a violation of Bell's inequalities for position and time by using two spatially separated interferometers. The observation of a closely related two-photon interference is reported here. A signal photon at frequency ωs and an idler photon at frequency ωi = ωp - ωs are created simultaneously, i.e., as a conjugate pair, in parametric fluorescence inside a KDP crystal from the annihilation of a single UV pump photon with frequency ωp. Energy is conserved during this process, but this does not forbid the signal and idler photons from having a broad spread in energy, although the laser-produced pump photon has a very narrow linewidth so that Δωp ≪ Δωs, and Δωi. Results obtained with a dual-beam Michelson inteferometer are reported. A simplified quantum analysis of this interference effect is discussed.
| Original language | English (US) |
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| Pages | 20-21 |
| Number of pages | 2 |
| State | Published - 1990 |
| Externally published | Yes |
| Event | 17th International Conference on Quantum Electronics - IQEC '90 - Anaheim, CA, USA Duration: May 21 1990 → May 25 1990 |
Other
| Other | 17th International Conference on Quantum Electronics - IQEC '90 |
|---|---|
| City | Anaheim, CA, USA |
| Period | 5/21/90 → 5/25/90 |
ASJC Scopus subject areas
- General Engineering