Interaction photon-photon

Two-photon physics - branch of particle physics concerning interactions between two photons. Article “Interaction photon-photon” in French Wikipedia has 25.1 points for quality (as of July 1, 2026). The article contains 19 references and 4 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (French) language version.

Since the creation of article “Interaction photon-photon”, its content was written by 3 registered users of French Wikipedia and edited by 106 registered Wikipedia users in all languages.

The article is cited 3 times in French Wikipedia and cited 99 times in all languages.

The highest Authors Interest rank from 2001:

• Local (French): #17126 in September 2025
• Global: #97328 in June 2020

The highest popularity rank from 2008:

• Local (French): #683989 in September 2025
• Global: #229229 in February 2016

There are 8 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Two-photon physics		37.2928
2	Hebrew (he) פיזיקה של שני פוטונים		35.4478
3	Turkish (tr) İki foton fiziği		32.7519
4	Chinese (zh) 双光子物理学		31.5141
5	French (fr) Interaction photon-photon		25.0951
6	Spanish (es) Física de dos fotones		21.5274
7	Catalan (ca) Física de dos fotons		19.084
8	German (de) Halpern-Streuung		9.4111

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Interaction photon-photon" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Two-photon physics		329 477
2	German (de) Halpern-Streuung		10 147
3	Spanish (es) Física de dos fotones		8 472
4	Chinese (zh) 双光子物理学		7 731
5	Turkish (tr) İki foton fiziği		2 588
6	Hebrew (he) פיזיקה של שני פוטונים		696
7	French (fr) Interaction photon-photon		378
8	Catalan (ca) Física de dos fotons		110

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Interaction photon-photon" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Two-photon physics		953
2	Chinese (zh) 双光子物理学		83
3	French (fr) Interaction photon-photon		46
4	German (de) Halpern-Streuung		35
5	Spanish (es) Física de dos fotones		14
6	Turkish (tr) İki foton fiziği		12
7	Hebrew (he) פיזיקה של שני פוטונים		3
8	Catalan (ca) Física de dos fotons		1

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Interaction photon-photon" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Two-photon physics		69
2	Hebrew (he) פיזיקה של שני פוטונים		11
3	German (de) Halpern-Streuung		8
4	Turkish (tr) İki foton fiziği		8
5	Spanish (es) Física de dos fotones		3
6	French (fr) Interaction photon-photon		3
7	Chinese (zh) 双光子物理学		3
8	Catalan (ca) Física de dos fotons		1

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Interaction photon-photon" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Catalan (ca) Física de dos fotons		1
2	German (de) Halpern-Streuung		0
3	English (en) Two-photon physics		0
4	Spanish (es) Física de dos fotones		0
5	French (fr) Interaction photon-photon		0
6	Hebrew (he) פיזיקה של שני פוטונים		0
7	Turkish (tr) İki foton fiziği		0
8	Chinese (zh) 双光子物理学		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Interaction photon-photon" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Two-photon physics		58
2	Chinese (zh) 双光子物理学		20
3	German (de) Halpern-Streuung		8
4	Catalan (ca) Física de dos fotons		4
5	Spanish (es) Física de dos fotones		3
6	French (fr) Interaction photon-photon		3
7	Turkish (tr) İki foton fiziği		2
8	Hebrew (he) פיזיקה של שני פוטונים		1

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#	Language	Value
ca	Catalan Física de dos fotons
de	German Halpern-Streuung
en	English Two-photon physics
es	Spanish Física de dos fotones
fr	French Interaction photon-photon
he	Hebrew פיזיקה של שני פוטונים
tr	Turkish İki foton fiziği
zh	Chinese 双光子物理学

Best Rank

French: #683989 09.2025

Global: #229229 02.2016

Best Rank

French: #17126 09.2025

Global: #97328 06.2020

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information