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

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

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

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Eberl, K.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Denev, S., Negoita, V., Snoke, D. W., Laikhtman, B., Eberl, K., & Pfeiffer, L. (2002). Optical detection of magnetic fields using giant magnetoresistance in undoped coupled quantum wells. Physical Review B, 66(20): 205304.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F2C5-2

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.