Text this: Confined transverse-electric graphene plasmons in negative refractive-index systems

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