Research Papers

Nanofiber waveguides and photophysics of an organic dye

[+] Author Affiliations
M. Joseph Roberts, William W. Lai, Thomas J. Groshens, Alfred J. Baca

United States Department of the Navy, Naval Air Warfare Center Weapons Division, Chemistry and Materials Division, Code 4F0000D, 1900 North Knox Road STOP 6303, China Lake, California 93555-6106, United States

Simin Feng

United States Department of the Navy, Naval Surface Warfare Center Dahlgren Division, Electromagnetic & Sensor Systems Department, 18444 Frontage Road, Suite 327, Dahlgren, Virginia 22448, United States

J. Nanophoton. 9(1), 093038 (Dec 29, 2015). doi:10.1117/1.JNP.9.093038
History: Received September 29, 2015; Accepted November 4, 2015
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Abstract.  We present previously unreported properties of the organic molecular dye compound, 2,3,7,8-tetracyano-5,10-dimethyl-5,10-dihydrodipyrazino[2,3-b:2’,3’-e]pyrazine (DMTC-pyrazine) (CAS Reg. No. 150960-11-5), including photophysical properties with particular emphasis on optical waveguiding. We show that DMTC-pyrazine can self-assemble into monoclinic crystals that are thermally stable over 300°C. Through shape-engineering, optimized growth conditions produced high yields of nanofiber (aspect ratio >6) crystals. No photobleaching of this dye was observed in air even after hours of on-resonant illumination. Excitation of photoluminescence within the DMTC-pyrazine nanofibers propagates in tightly confined guided modes (up to 25  μm). The finesse, end-facet reflectance, and group refractive index of nanofiber DMTC-pyrazine Fabry-Pérot cavities are reported.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

M. Joseph Roberts ; William W. Lai ; Thomas J. Groshens ; Alfred J. Baca and Simin Feng
"Nanofiber waveguides and photophysics of an organic dye", J. Nanophoton. 9(1), 093038 (Dec 29, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093038


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