Superconducting emitters of THz radiation

U Welp, K Kadowaki, R Kleiner - Nature Photonics, 2013 - nature.com
Layered superconductors such as the copper-oxide high-temperature superconductor
Bi2Sr2CaCu2O8+ δ are emerging as compact sources of coherent continuous-wave …

Integrated, portable, tunable, and coherent terahertz sources and sensitive detectors based on layered superconductors

K Delfanazari, RA Klemm, HJ Joyce… - Proceedings of the …, 2020 - ieeexplore.ieee.org
Current compact emitter and receiver technologies are generally inefficient and impractical
at terahertz (THz) frequencies between 0.1 and 10 THz. Hence, a gap exists between …

Millimeter-waves to terahertz SISO and MIMO continuous variable quantum key distribution

M Zhang, S Pirandola… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the exponentially increased demands for large bandwidth, it is important to think about
the best network platform as well as the security and privacy of the information in …

Tunable terahertz emission from the intrinsic Josephson junctions in acute isosceles triangular Bi2Sr2CaCu2O8+δ mesas

K Delfanazari, H Asai, M Tsujimoto, T Kashiwagi… - Optics …, 2013 - opg.optica.org
In order to determine if the mesa geometry might affect the properties of the coherent
terahertz (THz) radiation emitted from the intrinsic Josephson junctions in mesas constructed …

Engineering ultrastrong coupling between Josephson plasmon polaritons and subwavelength microcavity arrays in silicon/van der Waals layered superconductor …

S Kalhor, S Savel'ev, K Delfanazari - Physical Review B, 2022 - APS
The realization of the ultrastrong coupling between Josephson plasma waves (JPWs) and
terahertz (THz) photons in the subwavelength microcavity array is of interest for …

Thermal Tuning of High- Superconducting BiSr CaCu O Terahertz Metamaterial

S Kalhor, M Ghanaatshoar, T Kashiwagi… - IEEE photonics …, 2017 - ieeexplore.ieee.org
We introduce a class of low-loss subwavelength resonators and report the first
demonstration of a high-temperature () superconducting Bi Sr CaCu O (BSCCO) terahertz …

Cavity mode enhancement of terahertz emission from equilateral triangular microstrip antennas of the high-Tc superconductor Bi2Sr2CaCu2O8+ δ

DP Cerkoney, C Reid, CM Doty… - Journal of Physics …, 2016 - iopscience.iop.org
We study the transverse magnetic (TM) electromagnetic cavity mode wave functions for an
ideal equilateral triangular microstrip antenna (MSA) exhibiting C 3v point group symmetry …

Effect of Bias Electrode Position on Terahertz Radiation From Pentagonal Mesas of Superconducting

K Delfanazari, H Asai, M Tsujimoto… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
We examined the effect of the bias current position on the radiation of intense and coherent
terahertz electromagnetic waves from the intrinsic Josephson junctions (IJJs) in regular …

Engineering the cavity modes and polarization in integrated superconducting coherent terahertz emitters

Y Xiong, T Kashiwagi, RA Klemm… - … Waves (IRMMW-THz …, 2020 - ieeexplore.ieee.org
On-chip, solid-state terahertz (THz) devices based on superconducting Bi 2 Sr 2 CaCu 2 O
8+ δ (BSCCO) can coherently and continuously radiate electromagnetic waves with …

Terahertz oscillating devices based upon the intrinsic Josephson junctions in a high temperature superconductor

K Delfanazari, H Asai, M Tsujimoto, T Kashiwagi… - Journal of Infrared …, 2014 - Springer
Recent developments of coherent terahertz (THz) oscillators based on the intrinsic
Josephson junctions (IJJs) in mesas of the high temperature superconductor Bi 2 Sr 2 CaCu …