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Cloud-based quantum computers have become a re- ality with a number of companies allowing for cloud-based access to their machines with tens to more than 100 qubits. With easy access to quantum computers, quantum information processing will potentially revolutionize computation, and superconducting transmon-based quantum computers are among some of the more promising devices available. Cloud service providers today host a variety of these and other prototype quantum computers with highly diverse device properties, sizes, and performances. The variation that exists in today’s quantum computers, even among those of the same underlying hardware, motivate the study of how one device can be clearly differentiated and identified from the next. As a case study, this work focuses on the properties of 25 IBM superconducting, fixed-frequency transmon-based quantum computers that range in age from a few months to approximately 2.5 years. Through the analysis of current and historical quantum computer calibration data, this work uncovers key features within the machines, primarily frequency characteristics of transmon qubits, that can serve as a basis for a unique hardware fingerprint of each quantum computer.
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Control Systems for Computing Systems: Making Computers Efficient with Modular, Coordinated and Robust Control
Computing is taking a central role in advancing science, technology, and society, facilitated by increasingly capable systems. Computers are expected to perform a variety of tasks, including life-critical functions, while the resources they require (such as storage and energy) are becoming increasingly limited. To meet expectations, computers use control algorithms that monitor the requirements of the applications they run and reconfigure themselves in response.
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- Award ID(s):
- 1763658
- PAR ID:
- 10164055
- Date Published:
- Journal Name:
- IEEE control systems magazine
- Volume:
- 4
- Issue:
- 1
- ISSN:
- 0272-1708
- Page Range / eLocation ID:
- 30-55
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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- The DOI is not currently available.
