Text this

Number:

Provider:

CAPTCHA:

  ______     ___     _    _     _____    ______   
 /_____//   / _ \\  | \  / ||  |  ___|| |      \\ 
 `____ `   / //\ \\ |  \/  ||  | ||__   |  --  // 
 /___//   |  ___  ||| .  . ||  | ||__   |  --  \\ 
 `__ `    |_||  |_|||_|\/|_||  |_____|| |______// 
 /_//     `-`   `-` `-`  `-`   `-----`  `------`  
 `-`

Please enter what you see:

Text this: Triggered single-photon emitters based on stimulated parametric scattering in weakly nonlinear systems