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 language | English |
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Article number | 205304 |
Pages (from-to) | 2053041-2053046 |
Number of pages | 6 |
Journal | Physical Review B - Condensed Matter and Materials Physics |
Volume | 66 |
Issue number | 20 |
State | Published - 15 Nov 2002 |