supported by the Meteorology Industry Research Project of China (GYHY200806033, GYHY201006045);the National Natural Science Foundation of China (61021003, 61090391, 60837001, 60820106004);the National High-Technology Research and Development Program of China (2009AA03Z409);the Open Fund of Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), Ministry of Education
A compact fiber-optic diode-laser sensor system for measuring relative humidity is studied. In such a system, a distributed feedback laser lasing near 1877 nm is used as light source while a high-precision Pt resistan...
Project supported by the Meteorology Industry Research Project of China(Nos.GYHY200806033,GYHY201006045);the National Natural Science Foundation of China(Nos.61021003,61090391,60837001,60820106004);the National Basic Research Program of China (No.2009AA03Z409);the Open Fund of Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications),Ministry of Education
A new technique to generate a millimeter(mm)-wave carrier of 32.57 GHz(f_(LO)=10.85 GHz) with single sideband modulation(SSB) for radio-over-fiber(RoF) systems is experimentally demonstrated by using stimula...
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 ...
supported by the National Natural Science Foundation of China (60820106004, 60536010, 60777029 and 60837001);National Program on Key Basic Research Program of China (G2006CB604902 and G2006CB302806);National High Technology Research and Development Program of China (2009AA03Z409);Major International Cooperation Projects of China (2006dfa11880)
Frequency response is one of the most important characteristics of photodiode (PD). The upper limitation of the bandwidth of a PD is determined by its intrinsic frequency response. Based on the extraction method to ex...
Supported by the National Natural Science Foundation of China (Grant Nos. 60820106004, 60536010, 60606019, 60777029 and 60837001);National High Technology Research and Development Program of China (Grant No. 2009AA03Z409);Major International Cooperation Projects of China (Grant No. 2006dfa11880)
Based on the high frequency techniques such as frequency response measurement,equivalent circuit modeling and packaging parasitics compensation,a comprehensive optimization method for packaging high-speed semiconducto...