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2 N Optical Splitters Using Silica-Based Planar Lightwave Circuits

Hisato UETSUKA, Tomoyuki HAKUTA, Hiroaki OKANO, Noriaki TAKETANI, Tatsuo TERAOKA

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Summary :

An insertion loss, branching deviation and polarization dependent loss (PDL) as to a 2 N optical splitter using silica-based planar lightwave circuits has been investigated. New key technologies such as (1) a novel wedge type Y-branch, (2) an offset waveguide at the junction between the curved input waveguide and the Y-branch, and (3) low birefringence waveguides due to the appropriate dopant concentration of a cladding, have been devised and incorporated into the splitter. As a result, 2 N optical splitters with low average insertion loss ( 13.2 dB), low branching deviation ( 0.4 dB) and low PDL ( 0.2 dB) have been successfully developed.

Publication
IEICE TRANSACTIONS on Electronics Vol.E80-C No.1 pp.134-138
Publication Date
1997/01/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
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