Abstract
Numerous loss mechanisms can limit coherence and scalability of planar and 3D-based circuit quantum electrodynamics (cQED) devices, particularly due to their packaging. The low loss and natural isolation of 3D enclosures make them good candidates for coherent scaling. We introduce a coaxial transmission line device architecture with coherence similar to traditional 3D cQED systems. Measurements demonstrate well-controlled external and on-chip couplings, a spectrum absent of cross-talk or spurious modes, and excellent resonator and qubit lifetimes. We integrate a resonator-qubit system in this architecture with a seamless 3D cavity, and separately pattern a qubit, readout resonator, Purcell filter, and high-Q stripline resonator on a single chip. Device coherence and its ease of integration make this a promising tool for complex experiments.
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Dates
Type | When |
---|---|
Created | 9 years ago (July 26, 2016, 7:50 a.m.) |
Deposited | 2 years ago (July 31, 2023, 4:59 a.m.) |
Indexed | 2 weeks, 2 days ago (Aug. 6, 2025, 9:14 a.m.) |
Issued | 9 years ago (July 25, 2016) |
Published | 9 years ago (July 25, 2016) |
Published Online | 9 years ago (July 25, 2016) |
Published Print | 9 years ago (July 25, 2016) |
Funders
3
National Science Foundation
10.13039/100000001
Region: Americas
gov (National government)
Labels
4
- U.S. National Science Foundation
- NSF
- US NSF
- USA NSF
Awards
1
- MRSECDMR 1119826
Alexander von Humboldt-Stiftung
10.13039/100005156
Region: Europe
pri (Trusts, charities, foundations (both public and private))
Labels
5
- Humboldt-Stiftung
- Humboldt Foundation
- Alexander von Humboldt Foundation
- Humboldt Stiftung
- AvH
Army Research Office
10.13039/100000183
Region: Americas
gov (National government)
Labels
5
- U.S. Army Research Office
- United States Army Research Office
- U.S. Army Research Laboratory's Army Research Office
- ARL's Army Research Office
- ARO
Awards
1
- W911NF-14-1-0011
@article{Axline_2016, title={An architecture for integrating planar and 3D cQED devices}, volume={109}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4959241}, DOI={10.1063/1.4959241}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Axline, C. and Reagor, M. and Heeres, R. and Reinhold, P. and Wang, C. and Shain, K. and Pfaff, W. and Chu, Y. and Frunzio, L. and Schoelkopf, R. J.}, year={2016}, month=jul }