In a potential boost for quantum computing and communication, a European research collaboration reported a new method of controlling and manipulating single photons without generating heat. The solution makes it possible to integrate optical switches and single-photon detectors in a single chip.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/heatfreeopti.jpg)
Source:
https://phys.org/news/2021-03-heat-free-optical-enable-quantum-chips.html