upconversion

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noun

The process by which two photons combine in a nonlinear medium to produce a higher-energy photon with a frequency that is the sum of those of the two photons

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Meanings

nounupconversion (countable and uncountable, plural upconversions)

plural upconversions

  1. countableuncountablenatural sciencesThe process by which two photons combine in a nonlinear medium to produce a higher-energy photon with a frequency that is the sum of those of the two photons
  2. countableuncountablebusinessConversion of a lower radio frequency to a higher frequency, possibly using a mixer.

Origin

From up- + conversion.

Full word history & related roots →
Cite this entry
APA

upconversion. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/upconversion

MLA

“upconversion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upconversion. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “upconversion,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/upconversion.

Source: upconversion on Wiktionary, CC BY-SA 4.0.