Optical properties of dye-doped polymer films incorporating photonic nanostructures

Kazutaka Egami, Tomoya Nakayama, Yuuka Kosaka, Satoshi Tomita, Atsushi Ishizumi, Hisao Yanagi, Ken Ichi Yamashita, Kunishige Oe

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Lasing in dye-doped polymer films incorporating twodimensional (2D) photonic nanostructures is expected to bring about a flexible and compact optical ampifier. In this work web fabricate nano-imprint molds using electron beam lithography (EBL) together with a dry-etching process. A photo nano-imprint technique is used to obtain 2D nanostructures in rhodamine-doped resin films. Narrow emission of the visible light from the surface of films incorporating 2D photonic crystals is observed using an optical excitation. Additionally we study circular dichroism (CD) in films, including "L"-shaped holes, in which 2D space inversion symmetry is broken. A CD dip is found to be induced where the dye shows absorption The present results open a way to realize organic lasers emitting circularly-polarized light by using a simple photo nano-imprint technique.

Original languageEnglish
Pages (from-to)2485-2488
Number of pages4
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Issue number12
Publication statusPublished - 2012 Dec
Externally publishedYes


  • Circular dic
  • Dye-dopedpolymer
  • Nano-imprint
  • Organic laser

ASJC Scopus subject areas

  • Condensed Matter Physics


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