Design and Fabrication of Wide-Angle Polarization Splitter (2/3)
Date Issued
2004-10-31
Date
2004-10-31
Author(s)
王維新
DOI
922215E002009
Abstract
Wide-angle optical polarization splitter,
operating at 1.55μm wavelength, with an
asymmetric Y-branch waveguide made by Zn
and Ni co-diffusion LiNbO3 is successfully
fabricated. For comparison, optical power
splitters based on symmetric Y-branch
operating at both 1.55μm and 0.6328μm are
also fabricated. The measured results show
high transmission efficiencies can be obtained.
In particular, the process-dependent guiding
property of Zn/Ni co-diffusion LiNbO3
waveguides and simplified coherently- coupled
waveguide segments are utilized for
polarization splitting and wide-angle bending,
respectively. Those are the first demonstration
of both wide-angle polarization and efficient
power splitting using Zn/Ni co-diffusion
LiNbO3 waveguide. Experimental results show
flexible control of waveguide polarization
properties is possible and significant reduction
of the device length for high packaging density
becomes feasible.
Subjects
Lithium niobate
simplified
coherently-coupled segment
coherently-coupled segment
wide angle
polarization splitter
polarization splitter
wide-angle power splitter
Publisher
臺北市：國立臺灣大學電子工程學研究所
Type
report
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