Efficient coupling of light into photonic crystal waveguides using chirped photonic crystal tapers
โ Scribed by Neetu Joshi; Vijay Janyani
- Book ID
- 107668742
- Publisher
- Springer-Verlag
- Year
- 2009
- Tongue
- English
- Weight
- 628 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0972-8821
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In this paper, we show how the coupling of light into a photonic crystal waveguide can be greatly enhanced by creating a periodic modulation in the dielectric structure surrounding the entrance of the waveguide. In this way, surface modes supported by the system can funnel the light that impinges on
## Abstract Different taperedโwaveguide junctions are investigated for coupling light between traditional dielectric and photonicโcrystal waveguides characterized by a triangular lattice of air holes. Efficient approaches for the taper design, which allow flatโtransmission efficiency higher than 85