Support from the National Natural Science Foundation of China ( Grant No.10764002,60966002,11264007);the National Key Laboratory of Surface Physics in Fudan University
A new conception of nano-laser is proposed in which depending on the size of nano-clusters (silicon quantum dots (QD)), the pumping level of laser can be tuned by the quantum confinement (QC) effect, and the populatio...
Project supported by the National Natural Science Foundation of China (Grant No 10764002)
Hole-net structure silicon is fabricated by laser irradiation and annealing, on which a photoluminescence (PL) band in a the region of 650-750 nm is pinned and its intensity increases obviously after oxidation. It i...