A bandstop radio frequency(RF)filter can enhance the capabilities of RF communication systems by removing unwanted signal components such as distortion,or interference.In modern cognitive radio systems,frequency agile...
supported by the National Natural Science Foundation of China(10874009 and 11074011)
In order to realize laser frequency stabilization,the global evolution of an analyzer angle on the electrodeless-discharge-vaporlamp-based excited-state Faraday anomalous dispersion optical filter(LESFADOF)with a sing...
supported by the National Natural Science Foundation of China (60536010, 60606019, 60777029, and 60820106004);the National Basic Research Program of China(2006CB604902, 2006CB302806,2006dfa11880, and 2009AA03Z409);the Meteorology Industry Research Project of China (GYHY200806033)
A new scheme based on the electrical-filtered optical heterodyne technique is proposed for measuring the tuning speed of tunable distributed Bragg reflector (DBR) lasers. In this scheme, a 10 GHz high-pass electrical ...