Organic Single-Crystal Light-Emitting Transistor Coupling with Optical Feedback Resonators

iOrganic light-emitting transistors (OLETs) are of great research interest because they combine the advantage of the active channel of a transistor that can control the luminescence of an in-situ light-emitting diode in the same device. Here we report a novel single-crystal OLET (SCLET) that is coupled with single crystal optical feedback resonators. The combination of single-crystal waveguides with native Fabry-Perot cavities, formed by parallel crystal edges, drastically lowers the threshold energy for spectral narrowing and non-linear intensity enhancement. We apply this structure to SCLETs and demonstrate the first fabrication of a SCLET with the optical feedback resonators.

By: Satria Zulkarnaen Bisri, Kosuke Sawabe, Masaki Imakawa, Kenichi Maruyama, Takeshi Yamao, Shu Hotta, Yoshihiro Iwasa, Taishi Takenobu

link: http://www.nature.com/srep/2012/121217/srep00985/full/srep00985.html

 

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