29 citations · 100 across the 7 of their papers we have counts for
7 papers
Highly Superlinear Giant Terahertz Photoconductance in GaAs Quantum Point Contacts in the Deep Tunneling Regime
M. Otteneder, M. Hild, Z. D. Kvon +3
A highly superlinear in radiation intensity photoconductance induced by terahertz laser radiation with moderate intensities has been observed in quantum point contacts made of GaAs…
Terahertz photoresistivity of a high-mobility 3D topological insulator based on a strained HgTe film
M. L. Savchenko, M. Otteneder, I. A. Dmitriev +3
We report on a detailed study of the terahertz (THz) photoresistivity in a strained HgTe three-dimensional topological insulator (3D TI) for all Fermi level positions: inside the c…
Symmetry breaking and circular photogalvanic effect in epitaxial CdHgTe films
S. Hubmann, G. V. Budkin, M. Otteneder +13
We report on the observation of symmetry breaking and the circular photogalvanic effect in CdHgTe alloys. We demonstrate that irradiation of bulk epitaxial films with c…
Cyclotron resonance induced photogalvanic effect in surface states of 200 nm thick strained HgTe films
S. Candussio, G. V. Budkin, M. Otteneder +7
We report on the study of magneto-photogalvanic and magnetotransport phenomena in 200 nm partially strained HgTe films. This thickness is slightly larger than the estimated critica…
High frequency impact ionization and nonlinearity of photocurrent induced by intense terahertz radiation in HgTe-based quantum well structures
S. Hubmann, G. V. Budkin, A. P. Dmitriev +10
We report on a strong nonlinear behavior of the photogalvanics and photoconductivity under excitation of HgTe quantum wells (QWs) by intense terahertz (THz) radiation. The increasi…
Sign-alternating photoconductivity and magnetoresistance oscillations induced by terahertz radiation in HgTe quantum wells
M. Otteneder, I. A. Dmitriev, S. Candussio +7
We report on the observation of terahertz radiation induced photoconductivity and of terahertz analog of the microwave-induced resistance oscillations (MIRO) in HgTe-based quantum…
Giant terahertz photoconductance of tunneling point contacts
M. Otteneder, Z. D. Kvon, O. A. Tkachenko +5
We report on the observation of the giant photoconductance of a quantum point contact (QPC) in tunneling regime excited by terahertz radiation. Studied QPCs are formed in a GaAs/Al…