Accumulated photon echoes by using a nonlaser light source

Hiroki Nakatsuka, Akihito Wakamiya, Kazi Monowar Abedin, Toshiaki Hattori

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Accumulated photon echoes have been observed by use of a light-emitting diode. This is to our knowledge the first observation of photon echoes that are excited by a nonlaser light source. In the incoherent-light photon echo, the time resolution is equal to the inverse of the overall spectral width of the excitation light. Therefore we can easily get a high time resolution by using nonlaser light with a broad spectrum. Moreover the use of nonlaser light in the photon-echo experiment will extend the technique into wavelength regions where lasers are not currently available.

Original languageEnglish
Pages (from-to)832-834
Number of pages3
JournalOptics Letters
Issue number10
Publication statusPublished - May 15 1993
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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