Nonlinearity of the induced absorption in a CdSe quantum dot in borosilicate glass

Sanghun Shin, Young Nam Hwang, Kyumin Chae, Seung Han Park, Ung Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We investigate the origin of the induced absorption in CdSe quantum dots in borosilicate glass by using pump-probe spectroscopy and self-saturated pump-probe spectroscopy. The change in the absorption spectrum above the bandgap is found to be due to electrons in trap levels. The induced absorption around 520 nm occurs due to electrons in trap levels which again absorb the probe beam.

Original languageEnglish
Pages (from-to)726-729
Number of pages4
JournalJournal of the Korean Physical Society
Volume33
Issue number6
Publication statusPublished - 1998 Dec 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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