University of Technology Sydney researchers have discovered a new way to control tiny quantum light sources by twisting ultra-thin layers of hexagonal boron nitride, a breakthrough that could help move quantum technologies closer to real-world use.
The team found that rotating stacked layers of the material allows them to precisely tune the behavior of quantum light emitters, tiny defects that can produce individual particles of light. Greater control over these emitters is considered an important step toward future technologies including quantum computing, secure communications, and ultra-sensitive sensors.
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