Bibliographic Details
| Title: |
A GHz-frequency multistrip acoustic beam splitter for quantum applications. |
| Authors: |
Dumur, É.1,2 (AUTHOR), Satzinger, K. J.1,3 (AUTHOR), Peairs, G. A.1,3 (AUTHOR), Chou, M.-H.1,4 (AUTHOR), Bienfait, A.1 (AUTHOR), Chang, H.-S.1 (AUTHOR), Conner, C. R.1 (AUTHOR), Grebel, J.1 (AUTHOR), Povey, R. G.1,4 (AUTHOR), Zhong, Y. P.1 (AUTHOR), Cleland, A. N.1,2 (AUTHOR) anc@uchicago.edu |
| Source: |
Applied Physics Letters. 1/29/2024, Vol. 124 Issue 5, p1-5. 5p. |
| Subject Terms: |
*BEAM splitters, *BANDWIDTHS, *TRANSDUCERS |
| Abstract: |
We demonstrate a microwave-frequency, two-track acoustic beam splitter, based on a multistrip coupler design matched to four unidirectional transducers, two on each of the two acoustic tracks that make up the device. We explain the device design and its experimental implementation, showing good agreement between our model and the measured device scattering spectra. The beam splitter regime, dividing an input signal at port 1 into closely equal outputs at ports 2 and 3, is reached over a 94.7 MHz bandwidth centered at 4.79 GHz, with an output power division ratio | S 21 / S 31 | 2 = 1.1 ± 0.2. The measured bandwidth of the device is limited by the bandwidth of the transducers, rather than that of the multistrip coupler. [ABSTRACT FROM AUTHOR] |
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| Database: |
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