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"Instead of focusing on the performance of single-resonator systems, we instead took into account the way these resonators interact, which opened up new possibilities," Naik explained.

Others had done similar things, Rybka notes, but earlier efforts made the higher mode resonator ring strongly at one frequency or made it tunable, not both.

The oscillators used in the study consist of thin strips of superconducting material patterned on an insulating substrate to form microwave resonators, a technology fully compatible with the most advanced superconducting quantum computers.

Researchers from TU Delft and Brown University have engineered string-like resonators capable of vibrating longer at ambient temperature than any previously known solid-state object -- approaching what is currently only achievable near absolute zero temperatures.

This enables WGM resonators to detect and quantify physical and biochemical characteristics, making them ideal for high-resolution sensing applications in fields such as biomedical diagnostics and environmental monitoring.