發送短信

數:

提供者:

CAPTCHA:

 __   __   _    _    __   _      ___     _    _   
 \ \\/ // | || | || | || | ||   / _ \\  | |  | || 
  \   //  | || | || | '--' ||  | / \ || | |/\| || 
  / . \\  | \\_/ || | .--. ||  | \_/ || |  /\  || 
 /_//\_\\  \____//  |_|| |_||   \___//  |_// \_|| 
 `-`  --`   `---`   `-`  `-`    `---`   `-`   `-`

Please enter what you see:

發送短信 : Triggered single-photon emitters based on stimulated parametric scattering in weakly nonlinear systems