![Sensitive Optical Receivers for Space Communications](https://scitechdaily.com/images/Sensitive-Optical-Receivers-for-Space-Communications-777x400.jpg)
An illustration of the new concept’s experimental setup. Credit: Yen Strandqvist/Chalmers University of Technology
Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high bit-rate operations. A novel concept for laser-beam based communications, using an almost noiseless optical preamplifier in the receiver, was recently demonstrated by researchers at