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Journal
2008 | 6 | 3 | 588-592
Article title

Mode-selective coupler for wavelength multiplexing using LiNbO3:Ti optical waveguides

Content
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Languages of publication
EN
Abstracts
EN
A mode-selective directional coupler based on titanium in-diffused channel waveguides in lithium niobate is investigated. This coupler may be utilized as a key part of an add-drop multiplexer for dense wavelength division multiplexing in optical network nodes. The proposed coupler is based on evanescent coupling of the fundamental mode of a single-mode channel to the first higher mode of a parallel bi-modal waveguide. Our experimental results show that a compact directional coupler with coupling efficiencies larger than 90%, large bandwidth around 1550 nm, and with negligible polarization dependence can be realized using electro-optic lithium niobate substrates.
Publisher
Journal
Year
Volume
6
Issue
3
Pages
588-592
Physical description
Dates
published
1 - 9 - 2008
online
17 - 7 - 2008
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11534-008-0078-1
Identifiers
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