An architecture for integrating planar and 3D cQED devices

被引：66

作者：

Axline, C. ^{[1
]}

Reagor, M. ^{[1
]}

Heeres, R. ^{[1
]}

Reinhold, P. ^{[1
]}

Wang, C. ^{[1
]}

Shain, K. ^{[1
]}

Pfaff, W. ^{[1
]}

Chu, Y. ^{[1
]}

Frunzio, L. ^{[1
]}

Schoelkopf, R. J. ^{[1
]}

机构：

[1] Yale Univ, Dept Appl Phys, New Haven, CT 06511 USA

来源：

APPLIED PHYSICS LETTERS | 2016年 / 109卷 / 04期

关键词：

QUANTUM CIRCUITS;

D O I：

10.1063/1.4959241

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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. Published by AIP Publishing.

引用

页数：5

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