發送短信 : Semiconductor quantum well irradiated by a two-mode electromagnetic field as a terahertz emitter

  _____      ___      ______    ______   _____    
 /  ___||   / _ \\   /_   _//  /_   _// |  __ \\  
| // __    | / \ ||  `-| |,-    -| ||-  | |  \ || 
| \\_\ ||  | \_/ ||    | ||     _| ||_  | |__/ || 
 \____//    \___//     |_||    /_____// |_____//  
  `---`     `---`      `-`'    `-----`   -----`