Project supported by the Nationa lHigh Technology Research and Development Program of China(Nos.2011AA010303,2012AA012203);the State Key Program for Basic Research of China(No.2011CB301702);the National Natural Science Foundation of China(Nos.61021003,61090392)
A selected area growth wavelength converter based on a PD-EAM optical logic gate for WDM application is presented, integrating an EML transmitter and a SOA-PD receiver. The design, fabrication, and DC characters were ...
supported by the National High Technology Research and Development Program of China(Nos.2011AA010303,2012AA012203);the State Key Development Program for Basic Research of China(No.2011CB301702);the National Natural Science Foundation of China(Nos.61021003,61090392)
A 1.65μm three-section distributed Bragg reflector (DBR) laser for CH4 gas sensors is reported. The DBR laser has a wide tunable range covering the R3 and R4 methane absorption line manifolds. The wavelength tunabi...
Project supported by the National High Technology Research and Pevelopment Program of China (Grant Nos. 2011AA010303 and 2012AA012203);the National Basic Research Program of China (Grant No. 2011CB301702);the National Natural Science Foundation of China (Grant Nos. 61021003 and 61090392)
Monolithic integration of four 1.55-μm-range InGaAsP/InP distributed feedback (DFB) lasers using varied ridge width with a 4 x 1-multimode-interference (MMI) optical combiner and a semiconductor optical amplifier...
Project supported by the National High Technology Research and Development Program of China(Nos.2011AA010303,2012AA012203);the State Key Development Program for Basic Research of China(No.2011CB301702);the National Natural Science Foundation of China(Nos.61021003,61090392)
The monolithic integration of four 1.55-μm range InGaAsP/InP distributed feedback lasers with a 4× 1 multimode-interference (MMI) optical combiner using the varied width ridge method is proposed and demonstrated. ...
supported by the National Hi-Tech Research and Development Program of China ("863" Project)(Grant Nos. 2011AA010303,2012AA012203);the National Basic Research Program of China ("973" Project)(Grant No. 2011CB301702);the National Natural Science Foundation of China (Grant Nos. 61021003,61090392)
The techniques used for the fabrication of photonic integrated circuit(PIC) chip are introduced briefly.Then a four channel DFB laser array integrated with MMI coupler and semiconductor optical amplifier(SOA) fabricat...
supported by the National "863" Projectof China (Nos.2011AA010303 and 2012AA012203);the National Natural Science Foundation of China (Nos.61021003 and 61090392);the National "973" Program of China (No.2011CB301702)
Selective area growth (SAG) is performed to fabricate monolithically integrated distributed feedback (DFB) laser array by adjusting the width of a SiO2 mask. A strain-compensated-barrier structure is adopted to re...
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...