We present a 10 GHz dual loop optoelectronic oscillator (OEO), with very low phase noise (−144.7 dBc/Hz at 10 kHz) and low spur level (−145 dBc/Hz), despite using short fibers (1 km/100 m). The OEO is ...

To feel happier and more in control of your life, try the novelty rule, says Liz Moody: “It has woken my life up in a way ...