Solid-state organic DFB laser in near-infrared wavelength region

S. Yuyama; T. Watanabe; K. Yamashita; K. Oe

doi:10.1117/12.824843

27 August 2009 Solid-state organic DFB laser in near-infrared wavelength region

S. Yuyama, T. Watanabe, K. Yamashita, K. Oe

Proceedings Volume 7415, Organic Light Emitting Materials and Devices XIII; 741517 (2009) https://doi.org/10.1117/12.824843
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

Solid-state dye-doped polymeric distributed-feedback lasers in near-infrared wavelength region were fabricated by photo nanoimprint lithography. Fluorinated-polyimide material which shows low propagation loss in the near infrared was used as the host matrix of the active waveguide doped with near-infrared organic dye, LDS950. Single wavelength lasing emission at 953 nm, which corresponds to the second-order Bragg reflection for the grating, was observed at room temperature from the laser by photo-pumping using nitrogen-gas laser. When the ambient temperature is raised, the lasing wavelength shifts to shorter at a ratio of 0.094 nm/K between 20 and 50°C, as the effective refractive index of the active region becomes smaller. The lasing threshold pumping density stays nearly constant during the temperature variation.

Citation Download Citation

S. Yuyama, T. Watanabe, K. Yamashita, and K. Oe "Solid-state organic DFB laser in near-infrared wavelength region", Proc. SPIE 7415, Organic Light Emitting Materials and Devices XIII, 741517 (27 August 2009); https://doi.org/10.1117/12.824843

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