the National Natural Science Foundation of China (No. 60378011 and No. 60578043);Beijing Education Committee Common Build Foundation (No. XK100130537).
Soliton amplitude squeezed state is obtained and dctected by using asymmetric Sagnac interferometer and balanced homodyne detecting system. An improved photo detector circuit for quantum state detection is introduced....
the National Natu-ral Science Foundation of China (No.60378011 and 60578043);the Beijing Municipal Education Com-mission (No.XK100130637).
Due to the limit of response speed of the present single-photon detector, the code rate is still too low to come into practical use for the present quantum key distribution (QKD) system. A new idea is put up to desi...
the National Natural Science Foundation of China(No.60578043,60378011and 60544002);the Beijing Eduation Commit-tee CommonBuild Foundation(No.XK100130637)
We experimentally demonstrate amplitude squeezed soliton utilizing intensity-dependent self-phase modulation in an asymmetric Sagnac interferometer. The system, whose components are connected via ferrule connector/phy...
National Natural Science Foundation of China(60578043 , 60378011) ;Public Construction Foundation ofBeijing City(XK100130637)
Studied is the Super-continuum(SC) generation of a normal-dispersion photonic crystal fiber(PCF) using picosecond pulse excitation. In experimental analyses, a 237 nm broadband infrared continuum was generated pumped ...
This work was supported by the National Nature Science Foundation of China (No. 60578043 and 60378011) Beijing Education Committee Common Build Foundation (No. XK100130537).
We present the all-fiber system for supercontiuum (SC) generation with picosecond pulses. By launching 1.6-ps pulses from pulsed erbium-doped fiber laser (EDFL) into a section of photonic crystal fiber (PCF), th...