Enhancing the two-photon excited fluorescence by two-dimensional nonlinear optical-polymer photonic crystals

Shin Ichiro Inoue, Shiyoshi Yokoyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have successfully demonstrated enhancement of the two-photon excited fluorescence (TPEF) in a highly nonlinear optical polymer two-dimensional (2D) photonic crystal (PhC) waveguide, arising from resonant coupling between the external laser field and a photonic band mode. Moreover, we directly determine the experimental photonic band dispersion structure of waveguiding modes under the light line in a 2D PhC waveguide by using angle-resolved attenuated total reflection spectroscopy. Resonance coupling between the external evanescent wave from total reflection within the prism and the waveguiding modes in the 2D PhC provides clear information on individual band components by resolving the angle (i.e., wave vector k) and photon energy. The experimentally determined photonic band structure is essential for understanding the novel light propagation and nonlinear optical properties of PhC systems. Good agreement was obtained between the TPEF enhancements and features of the photonic band structure, indicating that active manipulation of these nonlinear TPE processes is a realistic possibility through engineering the band dispersion and band group velocity characteristics. Future work in this direction should lead to dramatic improvements in the performance of TPE applications.

Original languageEnglish
Title of host publicationOrganic Photonic Materials and Devices XI
Volume7213
DOIs
Publication statusPublished - Jun 29 2009
EventOrganic Photonic Materials and Devices XI - San Jose, CA, United States
Duration: Jan 27 2009Jan 29 2009

Other

OtherOrganic Photonic Materials and Devices XI
CountryUnited States
CitySan Jose, CA
Period1/27/091/29/09

Fingerprint

Photonic crystals
Photonic Crystal
Fluorescence
Photonics
Polymers
Photon
Photons
photonics
fluorescence
Thermoplastic elastomers
polymers
photons
Band structure
crystals
Band Structure
Waveguides
Waveguide
Enhancement
Light propagation
Telephone lines

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Enhancing the two-photon excited fluorescence by two-dimensional nonlinear optical-polymer photonic crystals. / Inoue, Shin Ichiro; Yokoyama, Shiyoshi.

Organic Photonic Materials and Devices XI. Vol. 7213 2009. 72131I.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inoue, SI & Yokoyama, S 2009, Enhancing the two-photon excited fluorescence by two-dimensional nonlinear optical-polymer photonic crystals. in Organic Photonic Materials and Devices XI. vol. 7213, 72131I, Organic Photonic Materials and Devices XI, San Jose, CA, United States, 1/27/09. https://doi.org/10.1117/12.808884
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