Johns Hopkins APL Builds Tool for Complex Quantum Computing

Johns Hopkins University Applied Physics Laboratory has built a new device that enables scientists to control and measure previously complex elements and components of quantum computers. 

APL said Wednesday the tool manages quantum bits that support functions of the computers to perform chemistry, pharmaceutical design, sensing and decryption, among others. 

Controlling qubits currently require transferring signals across low-temperature environment, a process that scientists said is time consuming, costly and complex. 

The APL device is designed to streamline the process by controlling and measuring qubits inside a cooler environment.

It eliminates the need for microwave lines and can be tuned at lower frequency to support quantum computing. 

“This means we’ve developed a new way to tune electronics in a quantum computer, allowing for novel ways to control qubits, filters and couplings between control signals and qubits,” said David Shrekenhamer, a metamaterials expert in APL’s Research and Exploratory Development Department.  

Shrekenhamer’s team hopes their tool will help design new quantum information technology devices for more complex applications.

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