Optical detection of magnetic fields using giant magnetoresistance in undoped coupled quantum wells
- 6 November 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 66 (20) , 205304
- https://doi.org/10.1103/physrevb.66.205304
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.Keywords
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