Silicon photonic circuit with polarization diversity
2008; Optica Publishing Group; Volume: 16; Issue: 7 Linguagem: Inglês
10.1364/oe.16.004872
ISSN1094-4087
AutoresHiroshi Fukuda, Koji Yamada, Tai Tsuchizawa, Toshifumi Watanabe, Hiroyuki Shinojima, Sei-ichi Itabashi,
Tópico(s)Advanced Photonic Communication Systems
ResumoWe devised a silicon photonic circuit with polarization diversity that consists of polarization splitters and polarization rotators. The splitter is based on a simple directional coupler and the rotator has an off-axis double-core structure. Both devices can be made by using planar fabrication technology and require no complex proceses for the fabrication of three-dimensional structures. We fabricated a polarization-independent wavelength filter based on Si wire waveguides as an application of the polarization diversity. The filter consists of the polarization splitters, the rotators, and a ring resonator. The polarization-dependent loss of the filter is about 1 dB. A 10-Gbps data transmission with scrambled polarization is demonstrated.
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