the National Natural Science Foundation of China(Nos.60377023 and 60672017);the Program for New Century Excellent Talents in Universities(NCET);the Shanghai Optical Science and Technology Project(No.05DZ22009)
We present a cascaded system designed with Er^3+-Doped,Tm^3+-doped and Nd^3+-doped fibers to realize amplified spontaneous emission(ASE)spectra covering 0.4—2.0μm.The system is excited with a pump laser emitting 808...
the National Natural Science Foundation of China(Nos.60377023 and 60672017);the Program for New Century Excellent Talents in Universities(NCET);the Shanghai Optical Science and Technology Project(No.05DZ22009)
We theoretically demonstrate a model which can be used to analyze frequency up-conversion of a laser wavelength by using thermal population. The proposed model uses a rate equation model of ytterbium-doped fiber with ...
the National Natural Science Foundation of China(Nos.60377023 and 60672017);the Program for New Century Excellent Talents in Universities(NCET);the Shanghai Optical Science and Technology Project(No.05DZ22009)
Er^(3+)-Tm^(3+)-Pr^(3+)triply-doped graphene-glass-graphene(GGG) nanosheet waveguide amplifier, which is a promising candidate for integrated photonic devices, is modelled and numerically analyzed. The designed wavegu...
the National Natural Science Foundation of China(Nos.60377023 and 60672017);the Program for New Century Excellent Talents in Universities(NCET);Shanghai Optical Science and Technology Project(No.05DZ22009)
The modeling of rare-earth-doped fiber amplifier is accomplished by utilizing the rate and propagation equations of distinct levels for a laser medium. A complex theoretical model for neodymium (Nd3+), erbium (Er...
the National Natural Science Foundation of China(Nos.60377023 and 60672017)
Gain and emission spectrum characteristics of Tm3+-doped telluride glass fibers pumped with 465 nm lasers are analyzed. The rate and power propagation equation groups of the fibers are solved numerically and the effec...
Supported by the National Natural Science Foundation of China(Grant Nos.60377023,60672017);New Century Excellent Talents in University(NCET),Shanghai Optical Science and Technology Project(Grant No.05DZ22009);Shanghai Pujiang Program
We demonstrate both theoretically and numerically that slow light can enhance the parametric process of silicon in photonic crystal line-defect waveguides.Specifically,to get the desired gain,the pump power for a give...
the Program for New Cen-tury Talent of University;the National Natural Science;Foundation of China (No.60377023 and 60672017);the Shanghai Optical Science and Technology Project.
We optimize the novel configuration of a hybrid fiber amplifier - Raman assisted-fiber-based optical parametric amplifier (R-FOPA), in which the parametric gain and Raman gain profiles are combined to achieve a flat...