Wavelength Programmable Organic Distributed Feedback Laser Using a Photoinduced Surface Relief Grating

Takashi Ubukata Department of Advanced Material Chemistry, Yokohama National University, Yokohama, Japan; Local Spatio-Temporal Functions Lab., Frontier Research System, RIKEN (The Institute of Physical and Chemical Research), Saitama, JapanCorrespondence[email protected]

Takashi Isoshima Local Spatio-Temporal Functions Lab., Frontier Research System, RIKEN (The Institute of Physical and Chemical Research), Saitama, Japan

Masahiko Hara Local Spatio-Temporal Functions Lab., Frontier Research System, RIKEN (The Institute of Physical and Chemical Research), Saitama, Japan; Department of Electronic Chemistry, Tokyo Institute of Technology, Kanagawa, Japan

ABSTRACT

Novel organic distributed feedback (DFB) laser has been designed and fabricated, utilizing surface relief grating (SRG) on an azobenzene polymer. Introducing double-layered structure in which an azobenzene polymer layer is located on top of an active polymer layer, DFB lasing was observed by photoexciting the element, and oscillation wavelength was widely tuned by selecting the laser dye and period of SRG structure.

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Wavelength Programmable Organic Distributed Feedback Laser Using a Photoinduced Surface Relief Grating

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Wavelength Programmable Organic Distributed Feedback Laser Using a Photoinduced Surface Relief Grating

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