Nonlinear optics

Nonlinear optics - branch of physics. Article “Nonlinear optics” in English Wikipedia has 79.3 points for quality (as of July 1, 2026). The article contains 63 references and 19 sections.

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

In June 2026 the article “Nonlinear optics” was edited by 1 authors in English Wikipedia and written by 4 authors in all languages.

Since the creation of article “Nonlinear optics”, its content was written by 175 registered users of English Wikipedia and edited by 670 registered Wikipedia users in all languages.

The article is cited 517 times in English Wikipedia and cited 2447 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #3946 in March 2002
• Global: #4576 in March 2002

The highest popularity rank from 2008:

• Local (English): #66661 in April 2015
• Global: #76744 in April 2015

There are 34 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) Nonlinear optics		79.3431
2	Polish (pl) Optyka nieliniowa		55.8148
3	Turkish (tr) Doğrusal olmayan optik		45.8429
4	Georgian (ka) არაწრფივი ოპტიკა		36.7757
5	Catalan (ca) Òptica no lineal		30.2356
6	Serbian (sr) Nelinearna optika		29.3136
7	Uzbek (uz) Nochiziqli optika		28.5153
8	Estonian (et) Mittelineaarne optika		27.2848
9	German (de) Nichtlineare Optik		27.2109
10	Greek (el) Μη γραμμική οπτική		26.7578

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

The most popular language versions of the article "Nonlinear optics" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Nonlinear optics		2 000 194
2	Japanese (ja) 非線形光学		280 581
3	German (de) Nichtlineare Optik		204 147
4	Russian (ru) Нелинейная оптика		195 918
5	Chinese (zh) 非线性光学		129 932
6	French (fr) Optique non linéaire		129 691
7	Spanish (es) Óptica no lineal		58 016
8	Polish (pl) Optyka nieliniowa		57 863
9	Persian (fa) نورشناسی غیرخطی		53 605
10	Italian (it) Ottica non lineare		29 019

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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 "Nonlinear optics" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Nonlinear optics		3 784
2	Japanese (ja) 非線形光学		422
3	German (de) Nichtlineare Optik		420
4	Chinese (zh) 非线性光学		315
5	French (fr) Optique non linéaire		273
6	Russian (ru) Нелинейная оптика		256
7	Spanish (es) Óptica no lineal		101
8	Polish (pl) Optyka nieliniowa		93
9	Korean (ko) 비선형 광학		84
10	Italian (it) Ottica non lineare		73

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

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

#	Language	AI award	Relative AI
1	English (en) Nonlinear optics		175
2	German (de) Nichtlineare Optik		68
3	French (fr) Optique non linéaire		49
4	Russian (ru) Нелинейная оптика		41
5	Hebrew (he) אופטיקה לא ליניארית		37
6	Polish (pl) Optyka nieliniowa		30
7	Japanese (ja) 非線形光学		28
8	Italian (it) Ottica non lineare		26
9	Chinese (zh) 非线性光学		25
10	Spanish (es) Óptica no lineal		20

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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 "Nonlinear optics" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Catalan (ca) Òptica no lineal		1
2	English (en) Nonlinear optics		1
3	Basque (eu) Optika ez-lineal		1
4	Vietnamese (vi) Quang học phi tuyến		1
5	Arabic (ar) بصريات لاخطية		0
6	Belarusian (be) Нелінейная оптыка		0
7	Bulgarian (bg) Нелинейна оптика		0
8	Czech (cs) Nelineární optika		0
9	German (de) Nichtlineare Optik		0
10	Greek (el) Μη γραμμική οπτική		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 "Nonlinear optics" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Nonlinear optics		517
2	Chinese (zh) 非线性光学		214
3	Russian (ru) Нелинейная оптика		165
4	Polish (pl) Optyka nieliniowa		164
5	German (de) Nichtlineare Optik		157
6	Ukrainian (uk) Нелінійна оптика		141
7	French (fr) Optique non linéaire		126
8	Belarusian (be) Нелінейная оптыка		121
9	Vietnamese (vi) Quang học phi tuyến		115
10	Korean (ko) 비선형 광학		113

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#	Language	Value
ar	Arabic بصريات لاخطية
be	Belarusian Нелінейная оптыка
bg	Bulgarian Нелинейна оптика
ca	Catalan Òptica no lineal
cs	Czech Nelineární optika
de	German Nichtlineare Optik
el	Greek Μη γραμμική οπτική
en	English Nonlinear optics
es	Spanish Óptica no lineal
et	Estonian Mittelineaarne optika
eu	Basque Optika ez-lineal
fa	Persian نورشناسی غیرخطی
fr	French Optique non linéaire
he	Hebrew אופטיקה לא ליניארית
hu	Hungarian Nemlineáris optika
hy	Armenian Ոչ գծային օպտիկա
it	Italian Ottica non lineare
ja	Japanese 非線形光学
ka	Georgian არაწრფივი ოპტიკა
kk	Kazakh Сызықтық емес оптика
ko	Korean 비선형 광학
lt	Lithuanian Netiesinė optika
nl	Dutch Niet-lineaire optica
pl	Polish Optyka nieliniowa
pt	Portuguese Óptica não linear
ru	Russian Нелинейная оптика
sl	Slovenian Nelinearna optika
sr	Serbian Nelinearna optika
ta	Tamil நேரிலி ஒளியியல்
tr	Turkish Doğrusal olmayan optik
uk	Ukrainian Нелінійна оптика
uz	Uzbek Nochiziqli optika
vi	Vietnamese Quang học phi tuyến
zh	Chinese 非线性光学

Best Rank

English: #66661 04.2015

Global: #76744 04.2015

Best Rank

English: #3946 03.2002

Global: #4576 03.2002

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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