File:Mach-Zender interferometer paradox (2).svg
Original file (SVG file, nominally 880 × 636 pixels, file size: 196 KB)
Captions
Summary
editDescriptionMach-Zender interferometer paradox (2).svg |
English: Counterfactual measurement in quantum mechanics. A Mach-Zehnder interferometer is adjusted so that 100% of the output impinges upon detector B. Having been adjusted in such a manner, 100% of the light will continue to reach B even if the the light intensity is reduced so that only one photon at a time travels through the apparatus. It appears as if the wave function of each individual photon travels both paths and engages in interference at the last beam splitter, so that only the wave to B is constructive. In figure (a), although the photon is illustrated as having taken the "northern" branch of the interferometer, it interferes with itself so that only detector B detects the photon. The same holds for figure (b), although the photon is considered to have taken the "southern" branch of the interferometer. Figure (c) illustrates the situation where an obstacle has been introduced on the "southern" branch of the interferometer. 50% of the photons are deflected by mirror M, and the remaining photons are split 25% to detector A, and 25% to detector B. |
Date | |
Source | Derivative work of File:Interferometre de Mach-Zender paradoxe.svg |
Author | Tatoute (original author), Quibik (modifications), and myself (modifications) |
Other versions |
Licensing
edit- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 01:13, 29 March 2013 | 880 × 636 (196 KB) | Stigmatella aurantiaca (talk | contribs) | picked wrong version of file in last upload. Thicker dotted lines and section divisions | |
01:08, 29 March 2013 | 880 × 636 (194 KB) | Stigmatella aurantiaca (talk | contribs) | thicker dotted lines and divisions between sections | ||
04:41, 28 March 2013 | 880 × 636 (194 KB) | Stigmatella aurantiaca (talk | contribs) | Corrected errors found with Markup Validation Service | ||
03:37, 28 March 2013 | 880 × 636 (195 KB) | Stigmatella aurantiaca (talk | contribs) | Corrected some issues found with Jarry1250's SVG Check | ||
03:25, 28 March 2013 | 880 × 636 (194 KB) | Stigmatella aurantiaca (talk | contribs) | replaced detector shading with flat fill and replaced font with one without any potential copyright issues | ||
11:45, 27 March 2013 | 880 × 636 (293 KB) | Stigmatella aurantiaca (talk | contribs) | labels | ||
11:41, 27 March 2013 | 880 × 636 (207 KB) | Stigmatella aurantiaca (talk | contribs) | alignment; line style; fonts | ||
04:15, 27 March 2013 | 880 × 636 (168 KB) | Stigmatella aurantiaca (talk | contribs) | User created page with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Width | 880px |
---|---|
Height | 636px |