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Large on-chip dispersion using cladding-modulated 1D photonic crystals
Conference proceeding

Large on-chip dispersion using cladding-modulated 1D photonic crystals

Ezgi Sahin, Kelvin J A Ooi, C E Png, Dawn T H Tan and Tse Hui Dawn Tan
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Conference Proceedings, p.1
01/01/2017

Abstract

Cladding Devices Dispersion Group delay Photonic crystals Pillars
Conference Title: 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC) Conference Start Date: 2017, July 31 Conference End Date: 2017, Aug. 4 Conference Location: Singapore, Singapore A cladding-modulated 1D photonic crystal is realized for creating ultra-large dispersion on a silicon chip. Design, fabrication, and characterization of the devices are demonstrated. The device exploits adjacent pillars' positioning to engineer the group delay dispersion (GDD). Devices achieving GDD values of −3.61 ps/nm and 3.28 ps/nm and GDD × bandwidth product of 72 ps are demonstrated on a footprint of 1.27 × 1.7 mm2.

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