supported by the National Natural Science Foundation of China(Nos.61674018,61574019 and 61674020);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20130005130001);the Beijing Municipality Natural Science Foundation(No.4132069)
Novel construction of a resonant-cavity-enhanced photodetector(RCE-PD) with monolithic high-contrast grating(HCG)is proposed to overcome the difficulty of fabricating a high reflective mirror of RCE-PD at 1 550 nm. In...
Supported by the National Natural Science Foundation of China under Grant No 60977044.
We carry out a detailed theoretical study on THz coherent generation in an LTG-GaAs photomixer with a resonant-cavity-enhanced (RCE) structure.In the structure,an improvement in THz output can be achieved by increasin...
supported by the National Natural Science Foundation of China (No. 60777019)
A monolithic white light-emitting diode (LED) with blue and yellow light active regions has been designed and studied. With the AlxGa1-xN/InyGa1-yN distributed Bragg reflector (DBR) resonant-cavity, the extraction...
Resonant-cavity technique was introduced to measure the permittivity and loss tangent of low-loss dielectrics. The dielectric properties at 9-10 GHz are measured accurately at the temperature up to 800 ℃ by the reson...
Supported by the National Natural Science Foundation of China under Grant No 60376025.
A resonant-cavity enhanced reflective optical modulator is designed and fabricated, with three groups of three highly strained InGaAs/GaAs quantum wells in the cavity, for low voltage and high contrast ratio operation...
A SiGe/Si multi-quantum wells resonant-cavity-enhanced(RCE) detector with high reflectivity bottom mirror is fabricated by a new method.The bottom mirror is deposited in the hole,which is etched from the backside of t...
Supported by the Major State Basic Research Program under Grant No.G2000036603;the National Natural Science Foundation of China under Grant Nos.69896260,69988005 and 69976007。
A GaInNAs/GaAs multiple quantum well (MQW) resonant-cavity enhanced photodetector (RCE-PD) operated at a wavelength of 1.3μm with the full width at half maximum of 4nm has been demonstrated. The GaInNAs RCE-PD was gr...
The monolithic integration of vertical-cavity surface-emitting lasers (VCSEL) with photodetectors is very important in the application of free-space optical interconnects.Theoretical and experimental results on the re...