Near-infrared near-field imaging spectroscopy of localized electronic states due to composition fluctuation in GaInNAs quantum wells

R. Kubota, K. Nakashima, D. Mizuno, Toshiharu Saiki, M. Sakai, K. Matsuda, T. Ishizuka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Near-field photoluminescence spectroscopy of a GaInNAs quantum well with a spatial resolution of 50-150 nm (λ/20-λ/8) was performed to visualize the bandgap fluctuation, which reflects the nonuniform distribution of N and In atoms. We quantitatively estimate the real-space potential profile and fluctuation of N concentration in combination with numerically solving Schrödinger equation.

Original languageEnglish
Title of host publicationOptics InfoBase Conference Papers
PublisherOptical Society of America
ISBN (Print)1424411742, 9781424411740
Publication statusPublished - 2007
EventConference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2007 - Seoul, Korea, Republic of
Duration: 2007 Aug 262007 Aug 26

Other

OtherConference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2007
CountryKorea, Republic of
CitySeoul
Period07/8/2607/8/26

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ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Kubota, R., Nakashima, K., Mizuno, D., Saiki, T., Sakai, M., Matsuda, K., & Ishizuka, T. (2007). Near-infrared near-field imaging spectroscopy of localized electronic states due to composition fluctuation in GaInNAs quantum wells. In Optics InfoBase Conference Papers Optical Society of America.