Abstract

We investigate theoretically the effect of a magnetic field on intersubband polaritons in an asymmetric quantum well placed inside an optical resonator. It is demonstrated that the field-induced diamagnetic shift of electron subbands in the well increases the broadening of optical lines corresponding to intersubband electron transitions. As a consequence, the magnetic field can switch the polariton system from the regime of strong light–matter coupling to the regime of a weak one. This effect paves a way for the effective control of polaritonic devices with a magnetic field.

© 2016 Optical Society of America

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