PbS-doped glasses are prepared. Absorption and luminescence spectra show that both the absorption and infrared emission can be tuned widely by thermal treatment conditions. Optical amplification at 1300 nm is observed...PbS-doped glasses are prepared. Absorption and luminescence spectra show that both the absorption and infrared emission can be tuned widely by thermal treatment conditions. Optical amplification at 1300 nm is observed, and amplified spontaneous emission （ASE） spectrum is also measured to confirm the optical gain from PbS quantum dots.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No 60778039, the National Basic Research Programme of China under Grant No 2006CB806007, and the Programme for Changjiang Scholars and Innovative Research Team in University （IRT0651）.
文摘PbS-doped glasses are prepared. Absorption and luminescence spectra show that both the absorption and infrared emission can be tuned widely by thermal treatment conditions. Optical amplification at 1300 nm is observed, and amplified spontaneous emission （ASE） spectrum is also measured to confirm the optical gain from PbS quantum dots.
