On the concepts of photons and photodetection

Seng Tiong Ho*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The concepts of photons and photodetection are examined in a unified manner by a careful construction of localized-photon creation and annihilation operators. Photons are shown to be localizable in their direction of propagation. An ideal but realistic photodetector is shown to sense the localized photons. It is found that a photodetector with a finite bandwidth may give a small but non-zero mean photocurrent in the vacuum.

Original languageEnglish (US)
Pages (from-to)306-308
Number of pages3
JournalNuclear Physics B (Proceedings Supplements)
Volume6
Issue numberC
DOIs
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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