Topology-optimized and dispersion-tailored photonic crystal slow-light devices

Lars H. Frandsen; Andrei Lavrinenko; Peter I. Borel; Jacob Fage-Pedersen; Anders Harpøth; Ole Sigmund; Jacob S. Jensen; Martin Kristensen; Amélie Têtu; Tapio Niemi

doi:10.1117/12.741068

21 November 2007 Topology-optimized and dispersion-tailored photonic crystal slow-light devices

Lars H. Frandsen, Andrei Lavrinenko, Peter I. Borel, Jacob Fage-Pedersen, Anders Harpøth, Ole Sigmund, Jacob S. Jensen, Martin Kristensen, Amélie Têtu, Tapio Niemi

Author Affiliations +

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67812P (2007) https://doi.org/10.1117/12.741068
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

We review our work done for topology optimization of passive photonic crystal component parts for broadband and wavelength dependent operations. We show examples of low-loss topology-optimized bends and splitters optimized for broadband transmission and demonstrate the applicability of topology optimization for designing slow-light and/or wavelength selective component parts. We also present how the dispersion of light in the slow-light regime of photonic crystal waveguides can be tailored to obtain filter functionalities in passive devices and/or to obtain semi-slow light having a group velocity in the range ~(c₀/15 - c₀/100); vanishing, positive, or negative group velocity dispersion (GVD); and low-loss propagation in a practical ~5-15 nm bandwidth.

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Lars H. Frandsen, Andrei Lavrinenko, Peter I. Borel, Jacob Fage-Pedersen, Anders Harpøth, Ole Sigmund, Jacob S. Jensen, Martin Kristensen, Amélie Têtu, and Tapio Niemi "Topology-optimized and dispersion-tailored photonic crystal slow-light devices", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67812P (21 November 2007); https://doi.org/10.1117/12.741068

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