Influence of High Refractive Index Substrates on High-Q 2-D Photonic Crystal Slab Cavities

Liang Chen; Elias Towe

doi:10.1364/NPIS.2005.NThB5

Integrated Photonics Research and Applications/Nanophotonics for Information Systems
Technical Digest (Optica Publishing Group, 2005),
paper NThB5
•https://doi.org/10.1364/NPIS.2005.NThB5

Influence of High Refractive Index Substrates on High-Q 2-D Photonic Crystal Slab Cavities

Liang Chen and Elias Towe

Nanophotonics for Information Systems 2005

San Diego, California United States
13–15 April 2005
ISBN: 1-55752-787-3

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Photonic Crystal Devices (NThB)

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L. Chen and E. Towe, "Influence of High Refractive Index Substrates on High-Q 2-D Photonic Crystal Slab Cavities," in Integrated Photonics Research and Applications/Nanophotonics for Information Systems, Technical Digest (Optica Publishing Group, 2005), paper NThB5.

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Abstract

When a substrate is close to an air-bridge type PhC slab, the Q dramatically drops. It is further reduced when a low-index cladding is used. The increased loss is attributed to the coupling of the slab modes to the substrate modes.

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