Project supported by the High Technology Research and Development Program of China(Grant No.2013AA031401);the National Natural Science Foundation of China(Grant Nos.61176053,61274069,and 61435002);the National Basic Research Program,China(Grant No.2012CB933503)
The intrinsic photocurrent generation mechanism of a self-assembled graphene p-n junction operating at 1.55 ~tm is investigated experimentally. It is concluded that both a photovoltage effect and a photothermoelectric...
supported by the National Natural Science Foundation of China(Nos.61176053,61274069);the National Key Basic Research and Development Program of China(No.2012CB933503);the National High Technology Research and Development Program of China(Nos.2012AA012202,2013AA031401)
High-speed avalanche photodiodes are widely used in optical communication systems. Nowadays, separate absorption charge and multiplication structure is widely adopted. In this article, a structure with higher speed th...
Project supported by the High Technology Research and Development Program of China (Grant Nos.2012AA012202 and 2013AA031401);the National Basic Research Program of China (Grant No.2012CB933503);the National Natural Science Foundation of China (Grant Nos.61176053,61274069,and 61021003)
In this paper, we present the design, fabrication, and measurement of an evanescently coupled waveguide photode- tector operating at 1.55 gm, which mainly comprises a diluted waveguide, a single-mode rib waveguide and...
Project supported by the National Natural Science Foundation of China (Grant Nos. 61176092,61036003,and 60837001);the National Basic Research Program of China (Grant No. 2012CB933503);the Ph.D. Program Foundation of Ministry of Education of China (Grant No. 20110121110025);the Fundamental Research Funds for the Central Universities,China (Grant No. 2010121056)
Wet thermal annealing effects on the properties of TaN/HfO2/Ge metal-oxide-semiconductor (MOS) structures with and without a GeO2 passivation layer are investigated. The physical and the electrical properties are ch...