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Optical Engineering

Waveguide narrowband optical filter using spectral hole burning
Author(s): Marcel Tschanz; Aleksander Rebane; Urs Paul Wild
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Paper Abstract

We have developed a new integrated narrowband spectral filter, which consists of a planar waveguide covered with a thin polymer film containing molecules, which undergo persistent spectral hole burning at liquid helium temperature. We show that such a device performs as a miniature programmable narrowband spectral filter, with a transmission bandwidth less than 1 GHz. In such a filter the frequency resolution is limited by the width of the homogeneous zero-phonon lines of the chromophore molecules, and not by the geometrical dimensions of the device. Experimental measurements in the time domain using a picosecond dye laser, and in the frequency domain using a single-mode diode laser, are presented.

Paper Details

Date Published: 1 July 1995
PDF: 5 pages
Opt. Eng. 34(7) doi: 10.1117/12.200604
Published in: Optical Engineering Volume 34, Issue 7
Show Author Affiliations
Marcel Tschanz, Swiss Federal Institute of Technology (Switzerland)
Aleksander Rebane, Swiss Federal Institute of Technology (Switzerland)
Urs Paul Wild, Swiss Federal Institute of Technology (Switzerland)

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