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Jack Kramer
Jack Kramer
Graduate Student, The University of Texas at Austin
Verified email at utexas.edu
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57 GHz Acoustic Resonator with k2 of 7.3 % and Q of 56 in Thin-Film Lithium Niobate
J Kramer, S Cho, ME Liao, K Huynh, O Barrera, L Matto, MS Goorsky, ...
2022 International Electron Devices Meeting (IEDM), 16.4. 1-16.4. 4, 2022
232022
Thin-Film Lithium Niobate Acoustic Resonator with High Q of 237 and k2 of 5.1% at 50.74 GHz
J Kramer, V Chulukhadze, K Huynh, O Barrera, M Liao, S Cho, L Matto, ...
2023 Joint Conference of the European Frequency and Time Forum and IEEE …, 2023
162023
Thin-film lithium niobate acoustic filter at 23.5 ghz with 2.38 db il and 18.2% fbw
O Barrera, S Cho, L Matto, J Kramer, K Huynh, V Chulukhadze, ...
Journal of Microelectromechanical Systems, 2023
112023
Millimeter wave thin-film bulk acoustic resonator in sputtered scandium aluminum nitride
S Cho, O Barrera, P Simeoni, EN Marshall, J Kramer, K Motoki, TH Hsu, ...
Journal of Microelectromechanical Systems, 2023
102023
Acoustic delay lines in thin-film lithium niobate on silicon carbide
S Cho, Y Wang, J Kramer, K Nguyen, R Lu
2022 IEEE/MTT-S International Microwave Symposium-IMS 2022, 809-812, 2022
72022
Frequency scaling millimeter wave acoustic resonators using ion beam trimmed lithium niobate
V Chulukhadze, K Huynh, J Kramer, M Liao, S Cho, L Matto, OA Barrera, ...
2023 Joint Conference of the European Frequency and Time Forum and IEEE …, 2023
62023
Analysis of 5− 10 GHz Higher-Order Lamb Acoustic Waves in Thin-Film Scandium Aluminum Nitride
S Cho, J Guida, J Kramer, OA Barrera, V Chulukhadze, C Cui, S Ghosh, ...
2023 Joint Conference of the European Frequency and Time Forum and IEEE …, 2023
62023
Trilayer periodically poled piezoelectric film lithium niobate resonator
J Kramer, K Huynh, R Tetro, L Matto, O Barrera, V Chulukhadze, S Cho, ...
2023 IEEE International Ultrasonics Symposium (IUS), 1-4, 2023
42023
Extracting acoustic loss of high-order lamb modes at millimeter-wave using acoustic delay lines
J Kramer, S Cho, K Huynh, V Chulukhadze, O Barrera, MS Goorsky, R Lu
2023 IEEE/MTT-S International Microwave Symposium-IMS 2023, 903-906, 2023
32023
55.4 GHz Bulk Acoustic Resonator in Thin-Film Scandium Aluminum Nitride
S Cho, O Barrera, P Simeoni, J Kramer, V Chulukhadze, W Zhao, R Lu
2023 IEEE International Ultrasonics Symposium (IUS), 1-4, 2023
22023
Nanoscale imaging of super-high-frequency microelectromechanical resonators with femtometer sensitivity
D Lee, S Jahanbani, J Kramer, R Lu, K Lai
Nature Communications 14 (1), 1188, 2023
22023
23.8 GHz Acoustic Filter in Periodically Poled Piezoelectric Film Lithium Niobate with 1.52 dB IL and 19.4% FBW
S Cho, O Barrera, J Kramer, V Chulukhadze, TH Hsu, J Campbell, ...
arXiv preprint arXiv:2402.12194, 2024
12024
Transferred thin film lithium niobate as millimeter wave acoustic filter platforms
O Barrera, S Cho, K Hyunh, J Kramer, M Liao, V Chulukhadze, L Matto, ...
2024 IEEE 37th International Conference on Micro Electro Mechanical Systems …, 2024
12024
Millimeter wave thin-film bulk acoustic resonator in sputtered scandium aluminum nitride using platinum electrodes
S Cho, O Barrera, P Simeoni, EY Wang, J Kramer, V Chulukhadze, ...
2024 IEEE 37th International Conference on Micro Electro Mechanical Systems …, 2024
12024
Frequency Tuning of Suspended Millimter Wave Lithium Niobate Acoustic Resonators by Ion Beam Assisted Argon Gas Cluster Etching
V Chulukhadze, J Kramer, N Ahmed, O Barrera, S Cho, R Lu
2023 IEEE International Ultrasonics Symposium (IUS), 1-4, 2023
12023
Acoustic wave focusing lens at radio frequencies in thin-film lithium niobate
J Kramer, D Lee, S Cho, S Jahanbani, K Lai, R Lu
2022 IEEE MTT-S International Conference on Microwave Acoustics and …, 2022
12022
Experimental Study of Periodically Poled Piezoelectric Film Lithium Niobate Resonator at Cryogenic Temperatures
J Kramer, O Barrera, S Cho, V Chulukhadze, TH Hsu, R Lu
arXiv preprint arXiv:2403.09822, 2024
2024
C-Band Lithium Niobate on Silicon Carbide Surface Acoustic Wave Resonator with Figure-of-Merit of 124 at 6.5 GHz
TH Hsu, J Campbell, J Kramer, S Cho, MH Li, R Lu
arXiv preprint arXiv:2402.16732, 2024
2024
38.7 GHz Thin Film Lithium Niobate Acoustic Filter
O Barrera, S Cho, J Kramer, V Chulukhadze, J Campbell, R Lu
2024 IEEE International Microwave Filter Workshop (IMFW), 87-90, 2024
2024
Thin-film Lithium Niobate on Insulator Surface Acoustic Wave Devices for 6G Centimeter Bands
TH Hsu, J Campbell, J Kramer, S Cho, ZQ Lee, MH Li, R Lu
arXiv preprint arXiv:2402.11508, 2024
2024
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