supported by the National Natural Science Foundation of China(Grant Nos.61222501,61335004,and 61505003);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20111103110019);the Postdoctoral Science Foundation of Beijing Funded Project,China(Grant No.Q6002012201502);the Science and Technology Research Project of Jiangxi Provincial Education Department,China(Grant No.GJJ150998)
A two-dimensional apodized grating coupler for interfacing between single-mode fiber and photonic circuit is demonstrated in order to bridge the mode gap between the grating coupler and optical fiber. The grating groo...
Project supported by the National Natural Science Foundation of China(Grant Nos.61222501 and 61335004);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20111103110019)
The multiple color-matching schemes that could improve the color rendering index for phosphor-free white LEDs are discussed. Then we review a few of the recent research directions for phosphor-free white LEDs, which i...
supported by the National Natural Science Foundation of China(Nos.61222501 and 61335004);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20111103110019)
Two-dimensional apodized grating couplers are proposed with grating grooves realized by a series of nano- rectangles, with the feasibility of digital tailoring the equivalent refractive index of each groove in order t...
supported by the National Natural Science Foundation of China(Grant Nos.61222501 and 61335004);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20111103110019)
The maximum power conversion efficiencies of the top-emitting,oxide-confined,two-dimensional integrated 2×2 and4×4 vertical-cavity surface-emitting laser(VCSEL) arrays with the oxide-apertures of 6 μm,16 μm,19 ...