49 citations · 314 across the 30 of their papers we have counts for
10 papers · 1 filter
Phononic Combs in Lithium Niobate Acoustic Resonators
Ian Anderson, Jack Kramer, Tzu-Hsuan Hsu +3
Frequency combs consist of a spectrum of evenly spaced spectral lines. Optical frequency combs enable technologies ranging from timing, LiDAR, and ultra-stable signal sources. Micr…
An 11.7-GHz ScAlN FBAR Filter: Case Study on Scaling Limits and Challenges
Sinwoo Cho, Byeongjin Kim, Lezli Matto +9
This paper reports an 11.7 GHz compact 50 ohm ladder filter based on single layer Scandium Aluminum Nitride (ScAlN) film bulk acoustic resonators (FBARs) with platinum (Pt) electro…
Periodically Poled Piezoelectric Lithium Niobate Resonator for Piezoelectric Power Conversion
Ziqian Yao, Clarissa Daniel, Lezli Matto +8
As the demand for compact and efficient power conversion systems increases, piezoelectric power converters have gained attention for their ability to replace bulky magnetic inducto…
50 GHz Piezoelectric Acoustic Filter
Omar Barrera, Jack Kramer, Lezli Matto +5
This paper presents significant frequency scaling of acoustic filter technology to 50 GHz. This achievement is enabled by the P3F LiNbO3 multilayer stack, in which piezoelectric th…
19.3 GHz Acoustic Filter with High Close-in Rejection in Tri-layer Thin-Film Lithium Niobate
Omar Barrera, Sinwoo Cho, Jack Kramer +3
Acoustic filters are preferred front-end solutions at sub-6 GHz due to their superior frequency selectivity compared to electromagnetic (EM) counterparts. With the ongoing developm…
Practical Demonstrations of FR3-Band Thin-Film Lithium Niobate Acoustic Filter Design
Taran Anusorn, Omar Barrera, Jack Kramer +4
This article presents an approach to control the operating frequency and fractional bandwidth (FBW) of miniature acoustic filters in thin-film lithium niobate (TFLN). More specific…
High-Q Millimeter-Wave Acoustic Resonators in Thin-Film Lithium Niobate Using Higher-Order Antisymmetric Modes
Vakhtang Chulukhadze, Jack Kramer, Tzu-Hsuan Hsu +2
This letter presents miniature millimeter wave (mmWave, above 30 GHz) acoustic resonators based on a single-layer thin-film lithium niobate (LN) platform. More specifically, we pre…
Thin-film scandium aluminum nitride bulk acoustic resonator with high Q of 208 and K2 of 9.5% at 12.5 GHz
Sinwoo Cho, Yinan Wang, Eugene Kwon +9
This work describes sputtered scandium aluminum nitride (ScAlN) thin-film bulk acoustic resonators (FBAR) at 12.5 GHz with high electromechanical coupling (k2) of 9.5% and quality…
Ku-Band AlScn-On-Diamond SAW Resonators with Phase Velocity above 8600 m/s
Tzu-Hsuan Hsu, Kapil Saha, Jack Kramer +4
In this work, an Aluminum Scandium Nitride (AlScN) on Diamond Sezawa-mode surface acoustic wave (SAW) platform for RF filtering at Ku-band (12-18 GHz) is demonstrated. Thanks to th…
Acoustic resonators above 100 GHz
Jack Kramer, Bryan T. Bosworth, Lezli Matto +8
Piezoelectric resonators are a common building block for signal processing because of their miniature size, low insertion loss, and high quality factor. As consumer electronics pus…