Optical detection of magnetic fields using giant magnetoresistance in undoped coupled quantum wells

S. Denev, V. Negoita, D. W. Snoke, B. Laikhtman, K. Eberl, L. Pfeiffer

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We show that undoped coupled quantum well structures of GaAs and InGaAs have a magnetoresistance effect which leads to a wavelength shift of the optical spectrum. This effect allows the optical emission to be used to detect magnetic field in the range 0-0.5 T.

Original languageEnglish
Article number205304
Pages (from-to)2053041-2053046
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number20
StatePublished - 15 Nov 2002

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