Use of waveguide bending as a new approach in the design of a triangular-lattice photonic crystal bandpass filter

Kyung-Mi Moon; Insu Park; Hyun-Shik Lee; Seung-Gol Lee; Beom-Hoan O; Se-Geun Park; El-Hang Lee

doi:10.1117/12.592676

25 March 2005 Use of waveguide bending as a new approach in the design of a triangular-lattice photonic crystal bandpass filter

Kyung-Mi Moon, Insu Park, Hyun-Shik Lee, Seung-Gol Lee, Beom-Hoan O, Se-Geun Park, El-Hang Lee

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Proceedings Volume 5729, Optoelectronic Integrated Circuits VII; (2005) https://doi.org/10.1117/12.592676
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

We present a new approach in the design of a photonic crystal bandpass filter by using waveguide bending. The bandpass filter was designed by introducing two bends with the modified geometry into the both ends of a photonic crystal waveguide. We show that such a filter exhibits step-like spectral profile in the range of 1500-1600 nm, with a maximum transmission of 100%. In contrast to the other designs proposed, the present one does not involve either insertion of small defects or control of cavity-lengths.

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Kyung-Mi Moon, Insu Park, Hyun-Shik Lee, Seung-Gol Lee, Beom-Hoan O, Se-Geun Park, and El-Hang Lee "Use of waveguide bending as a new approach in the design of a triangular-lattice photonic crystal bandpass filter", Proc. SPIE 5729, Optoelectronic Integrated Circuits VII, (25 March 2005); https://doi.org/10.1117/12.592676

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KEYWORDS

Waveguides

Photonic crystals

Bandpass filters

Dispersion

Finite-difference time-domain method

Photonic integrated circuits

Magnetism

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