Quieter Than Emptiness, International Team Develops Technology to Manipulate Quantum States of Light In Less Than Zero Noise Environments

Reducing noise below the sound of silence

Excerpts and salient points ~

+  The new device, developed by a team drawn from the Australian National University (ANU), Nanyang Technological University, National University of Singapore (NUS) and Shanxi University, allows information to be encoded and manipulated within a quantum state to a resolution that is typically drowned out by vacuum noise.

Researchers from Australia, Singapore and China have developed a technology that manipulates quantum states of light at noise levels quieter than the sound of silence.

+  “Our focus in recent years has been to use this technique for information processing in quantum computing and encryption.”

+  “From certain viewpoints, such states also appear to have temperatures below that of absolute zero and, as such, they can also act like a power resource for information processing at the quantum scale,” she says.

+  The experiment does not guarantee success every time, cautions ANU’s Sophie Zhao, the paper’s lead author. But when it works, “it can efficiently squeeze many quantum states to a level that was once thought to be unachievable”.

Source:  Cosmos Magazine.  Nick Carne,  Reducing noise below the sound of silence…

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