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

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Text this: Light sources and photodetectors enabled by 2D semiconductors