Polarization-independent electro-optically tunable narrow-band wavelength filter

We propose and demonstrate the first polarization-independent electro-optically tunable wavelengh filter with single-mode waveguides. The Ti:LiNbO3 filter utilizes narrow-band electro-optic TE ↔ TM conversion and employs TE/TM polarization splitters in the input and output waveguides. The filter ope...

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Bibliographic Details
Published in:Applied physics letters 1988-07, Vol.53 (1), p.13-15
Main Authors: WARZANSKY, W, HEISMANN, F, ALFERNESS, R. C
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Optical and optoelectronic circuits
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Summary:We propose and demonstrate the first polarization-independent electro-optically tunable wavelengh filter with single-mode waveguides. The Ti:LiNbO3 filter utilizes narrow-band electro-optic TE ↔ TM conversion and employs TE/TM polarization splitters in the input and output waveguides. The filter operates at 1.52 μm with a bandwidth of only 12 Å and can be electro-optically tuned over at least 110 Å at a tuning rate of 0.55 Å/V.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.100566