Terahertz photovoltaic detection of cyclotron resonance in the regime of radiation-induced magnetoresistance oscillations | Zendy

R. G. Mani | Zendy; Aruna Ramanayaka | Zendy; Tianyu Ye | Zendy; Martin S. Heimbeck | Zendy; Henry O. Everitt | Zendy; W. Wegscheider | Zendy

Open Access

Terahertz photovoltaic detection of cyclotron resonance in the regime of radiation-induced magnetoresistance oscillations

Author(s) -

R. G. Mani,

Aruna Ramanayaka,

Tianyu Ye,

Martin S. Heimbeck,

Henry O. Everitt,

W. Wegscheider

Publication year - 2013

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.87.245308

Subject(s) - magnetoresistance , terahertz radiation , photoexcitation , cyclotron resonance , microwave , condensed matter physics , materials science , cyclotron , physics , resonance (particle physics) , electron , optoelectronics , atomic physics , magnetic field , excited state , quantum mechanics

: We examine and compare the diagonal magnetoresistance, Rxx , and the photovoltage induced by microwave (42 = f 300 GHz) and terahertz (f = 300 GHz) photoexcitation in the high mobility quasi-two-dimensional GaAs/AlGaAs system. The data demonstrate strong radiation-induced magnetoresistance oscillations in Rxx to 360 GHz. In addition, cyclotron resonance is observed in the photovoltage to 725 GHz. These results show that our high-mobility GaAs/AlGaAs two-dimensional electron system (2DES) specimens remain photoactive in magnetotransport into the terahertz band.

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