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Dynamic Tuning of Organic Lasers with Colloidal Crystals
Author(s) -
Lawrence J. R.,
Ying Y.,
Jiang P.,
Foulger S. H.
Publication year - 2006
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200501833
Subject(s) - materials science , lasing threshold , optoelectronics , laser , resonator , active laser medium , stack (abstract data type) , composite number , photonic crystal , dielectric , thin film , wavelength , photonics , optics , nanotechnology , composite material , laser power scaling , physics , computer science , programming language
Thin‐film organic lasers can be dynamically tuned by the introduction of photonic crystals. A dielectric stack medium is coated with a thin gain layer and then laminated with a photonic bandgap composite film. Applying a stress to the composite film modifies the supported resonator frequencies, and thus the corresponding lasing wavelengths (see Figure). The advantage of this design is its simplicity, which permits the design of the gain medium or the resonator cavity to be considered independently.