Low-threshold amplified spontaneous emission of blue fluorescence was observed in an organic single crystal composed of excited-state intramolecular proton transfer molecules. The two-photon absorption spectrum was also measured for efficient upconverted blue emission.
© 2005 Optical Society of America
J. H. Park, O. Jeon, M. Cha, S. Park, and S. Y. Park, "Amplified Spontaneous Emission and Two-Photon Fluorescence in an Organic Single Crystal Composed of Excited-State Intramolecular Proton Transfer Molecules," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JWB37.
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