Low frequency piezoresonance defined dynamic control of terahertz wave propagation

M Dutta, S Betal, XG Peralta, AS Bhalla, R Guo - Scientific reports, 2016 - nature.com
Phase modulators are one of the key components of many applications in electromagnetic
and opto-electric wave propagations. Phase-shifters play an integral role in …

Large electro-optic response of bulk ferroelectric crystals enhanced by piezoelectric resonance in the high frequency range

J Li, Y Li, Q Meng, Z Zhou, D Jia, R McIntosh… - Materials Research …, 2018 - Elsevier
Electro-optic (EO) devices with high EO coefficients at radio and microwave frequencies are
integral components of the photonics industry. This work determines the EO effect of …

Piezoelectric resonance controlled terahertz wave modulators

M Dutta, R Guo, A Bhalla, S Betal - US Patent 10,594,261, 2020 - Google Patents
Disclosed are various embodiments of a terahertz wave modulator. The wave modulator can
include one or more layers of piezoelectric/ferroelectric single crystal or polycrystalline …

Piezoelectric resonance controlled terahertz wave modulators

M Dutta, R Guo, A Bhalla, S Betal - US Patent 10,985,700, 2021 - Google Patents
the terahertz bandwidth has not been extensively utilized due to the insufficiency of the
associated technology and other scientific constraints. Advancements in femtosecond laser …

Ferroics and Multiferroics for Dynamically Controlled Terahertz Wave Propagation

M Dutta - 2017 - search.proquest.com
The terahertz (THz) region of electromagnetic spectra, referred roughly to the frequency
range of 100 GHz (0.1 THz) to 10 THz, is the bridging gap between the microwave and …