Cascaded multimode interference-based microresonators for multiple Fano resonance engineering

Trung-Thanh Le

doi:10.1117/1.OE.57.11.117102

3 November 2018 Cascaded multimode interference-based microresonators for multiple Fano resonance engineering

Trung-Thanh Le

Author Affiliations +

Optical Engineering, Vol. 57, Issue 11, 117102 (November 2018). https://doi.org/10.1117/1.OE.57.11.117102

Abstract

We propose a method for realization of multiple Fano resonances and double electromagnetically induced transparency. The proposed device is based on only three cascaded identical 3 × 3 multimode interference microresonators on a single silicon on insulator chip. We derive the analytical expressions for the normalized transmission characteristics. The structure offers a high-modulation depth of nearly 100%, an extremely large fabrication tolerance of ±100 nm, and a compact size of 700 × 1000 μm².

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Trung-Thanh Le "Cascaded multimode interference-based microresonators for multiple Fano resonance engineering," Optical Engineering 57(11), 117102 (3 November 2018). https://doi.org/10.1117/1.OE.57.11.117102

Received: 19 July 2018; Accepted: 19 October 2018; Published: 3 November 2018

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KEYWORDS

Brain-machine interfaces

Microresonators

Waveguides

Tolerancing

Finite-difference time-domain method

Silicon

Directional couplers

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