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Applied Physics Letters / Volume 93 / Issue 11 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 93, 111110 (2008); http://dx.doi.org/10.1063/1.2985902 (3 pages)

Enhancement of two-photon excited fluorescence in two-dimensional nonlinear optical polymer photonic crystal waveguides

Shin-ichiro Inoue and Shiyoshi Yokoyama

Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga Koen, Kasuga, Fukuoka 816-8580, Japan

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(Received 25 June 2008; accepted 28 August 2008; published online 18 September 2008)

We examined two-photon excited fluorescence (TPEF) in two-dimensional highly nonlinear optical polymer photonic crystal waveguides with metallic cladding. A large TPEF enhancement of approximately two orders of magnitude was observed, originating from resonance between the external pump laser field and a photonic band mode. The results for TPEF enhancement are in good agreement with experimental photonic band resonances obtained by angle-resolved reflectivity measurements and the theoretical photonic band structure generated by three-dimensional finite-difference time-domain calculations, indicating that it is possible to use band dispersion control to design artificial nonlinear two-photon excitation processes.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

finite difference time-domain analysis, fluorescence, optical polymers, photonic band gap, photonic crystals, two-photon processes

PACS

  • 42.50.Hz

    Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift

  • 42.70.Qs

    Photonic bandgap materials

  • 42.70.Jk

    Polymers and organics

  • 78.55.Kz

    Solid organic materials

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2985902

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    E. Yablonovitch, Phys. Rev. Lett. 58, 2059 (1987).

    S. John, Phys. Rev. Lett. 58, 2486 (1987).

    S. Inoue and Y. Aoyagi, Phys. Rev. B 69, 205109 (2004).

    S. Inoue and Y. Aoyagi, Phys. Rev. Lett. 94, 103904 (2005).

    J. Shen, Z. Zhang, Z. Hua, G. Ma, and S. H. Tang, Appl. Phys. Lett. 88, 011113 (2006)APPLAB000088000001011113000001.

    S. Inoue, K. Kajikawa, and Y. Aoyagi, Appl. Phys. Lett. 82, 2966 (2003)APPLAB000082000018002966000001.


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