Spin hall effects
Spin Hall effects are a collection of relativistic spin-orbit coupling phenomena in which
electrical currents can generate transverse spin currents and vice versa. Despite being …
electrical currents can generate transverse spin currents and vice versa. Despite being …
Tunable, continuous-wave terahertz photomixer sources and applications
S Preu, GH Döhler, S Malzer, LJ Wang… - Journal of Applied …, 2011 - pubs.aip.org
This review is focused on the latest developments in continuous-wave (CW) photomixing for
Terahertz (THz) generation. The first part of the paper explains the limiting factors for …
Terahertz (THz) generation. The first part of the paper explains the limiting factors for …
Broadband terahertz generation via the interface inverse Rashba-Edelstein effect
Novel mechanisms for electromagnetic wave emission in the terahertz frequency regime
emerging at the nanometer scale have recently attracted intense attention for the purpose of …
emerging at the nanometer scale have recently attracted intense attention for the purpose of …
Designer spoof surface plasmon structures collimate terahertz laser beams
Surface plasmons have found a broad range of applications in photonic devices at visible
and near-infrared wavelengths. In contrast, longer-wavelength surface electromagnetic …
and near-infrared wavelengths. In contrast, longer-wavelength surface electromagnetic …
Photonic engineering technology for the development of terahertz quantum cascade lasers
A terahertz (THz) quantum cascade laser (QCL) is an electrically pumped semiconductor
laser based on the inter‐subband electron transitions in a multiple‐quantum‐well …
laser based on the inter‐subband electron transitions in a multiple‐quantum‐well …
Short pulse generation and mode control of broadband terahertz quantum cascade lasers
D Bachmann, M Rösch, MJ Süess, M Beck… - Optica, 2016 - opg.optica.org
Ultra-short pulses are an attractive way of expanding today's terahertz time-domain systems
toward frequencies above 2 THz, and moreover mode control enables reliable generation of …
toward frequencies above 2 THz, and moreover mode control enables reliable generation of …
Terahertz photonics: Optoelectronic techniques for generation and detection of terahertz waves
D Saeedkia, S Safavi-Naeini - Journal of Lightwave Technology, 2008 - opg.optica.org
Optoelectronic techniques for generation and detection of terahertz (THz) signals have been
reviewed. The operation principles of THz photomixer sources and THz parametric sources …
reviewed. The operation principles of THz photomixer sources and THz parametric sources …
High dynamic range, heterogeneous, terahertz quantum cascade lasers featuring thermally tunable frequency comb operation over a broad current range
We report on the engineering of broadband quantum cascade lasers (QCLs) emitting at
Terahertz (THz) frequencies, which exploit a heterogeneous active region scheme and have …
Terahertz (THz) frequencies, which exploit a heterogeneous active region scheme and have …
Broadband THz lasing from a photon-phonon quantum cascade structure
Laser emission over a broad range of frequencies from 2.8 to 4.1 THz is reported for a two-
quantum well, photon-phonon cascade structure. Maximum operating temperatures of 125 K …
quantum well, photon-phonon cascade structure. Maximum operating temperatures of 125 K …
Topological nature of the proper spin current and the spin-Hall torque
Spin currents are key to spin torque devices, but determining the proper spin current is
nontrivial. Here we derive a general quantum-mechanical formula for the intrinsic proper …
nontrivial. Here we derive a general quantum-mechanical formula for the intrinsic proper …