49 citations · 314 across the 30 of their papers we have counts for
7 papers · 2 filters
Low-Loss Higher-Order Cross-Sectional Lamé Mode SAW Devices in 10-20 GHz Range
Ian Anderson, Tzu-Hsuan Hsu, Vakhtang Chulukhadze +6
This paper presents surface acoustic wave (SAW) acoustic delay lines (ADL) for studying propagation loss mechanisms in Lithium Niobate (LN). Devices were fabricated by depositing 5…
18 GHz Solidly Mounted Resonator in Scandium Aluminum Nitride on SiO2/Ta2O5 Bragg Reflector
Omar Barrera, Nishanth Ravi, Kapil Saha +12
This work reports an acoustic solidly mounted resonator (SMR) at 18.64 GHz, among the highest operating frequencies reported. The device is built in scandium aluminum nitride (ScAl…
Acoustic and Electromagnetic Co-Modeling of Piezoelectric Devices at Millimeter Wave
Tianyi Zhang, Yen-Wei Chang, Omar Barrera +3
This work reports the procedure for modeling piezoelectric acoustic resonators and filters at millimeter wave (mmWave). Different from conventional methods for lower frequency piez…
2 to 16 GHz Fundamental Symmetric Mode Acoustic Resonators in Piezoelectric Thin-Film Lithium Niobate
Vakhtang Chulukhadze, Jack Kramer, Tzu-Hsuan Hsu +5
As 5G connectivity proliferates, signal processing applications at 6G centimeter bands have gained attention for urban wireless capacity expansion. At sub-5 GHz, acoustic resonator…
Ultra-Wideband Tapered Transducers in Thin-Film Lithium Niobate on Silicon Carbide
Jack Kramer, Tzu-Hsuan Hsu, Joshua Campbell +1
Acoustic devices offer significant advantages in size and loss, making them ubiquitous for mobile radio frequency signal processing. However, the usable bandwidth is often limited…
Experimental Study of Periodically Poled Piezoelectric Film Lithium Niobate Resonator at Cryogenic Temperatures
Jack Kramer, Omar Barrera, Sinwoo Cho +3
This work reports the first study of periodically poled piezoelectric film (P3F) lithium niobate (LiNbO3) resonators at cryogenic temperatures. We experimentally investigate the te…
23.8-GHz Acoustic Filter in Periodically Poled Piezoelectric Film Lithium Niobate With 1.52-dB IL and 19.4% FBW
Sinwoo Cho, Omar Barrera, Jack Kramer +5
This paper reports the first piezoelectric acoustic filter in periodically poled piezoelectric film (P3F) lithium niobate (LiNbO3) at 23.8 GHz with low insertion loss (IL) of 1.52…