Silica polygonal micropillar resonators: fano line shapes tuning by using a Mach-Zehnder interferometer

Kam Yan Hon; Andrew W. Poon

doi:10.1117/12.669567

23 February 2006 Silica polygonal micropillar resonators: fano line shapes tuning by using a Mach-Zehnder interferometer

Kam Yan Hon, Andrew W. Poon

Author Affiliations +

Proceedings Volume 6101, Laser Beam Control and Applications; 61010V (2006) https://doi.org/10.1117/12.669567
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

Abstract

We experimentally demonstrate Fano resonance line shapes tuning by using a Mach-Zehnder interferometer (MZI). We employ a silica 125-μm-size hexagonal micropillar resonator with prism coupling in one arm of the interferometer, and a phase shifter together with a variable attenuator in the other arm. Our initial experiments reveal that the resonance line shapes observed at the interferometer output are characteristically asymmetric as Fano resonances. By using the phase shifter, we controllably tune the asymmetric line shapes from near-symmetric dip to near-symmetric peak and back to near-symmetric dip. We discuss potential applications of our MZI-based microresonator resonance line shapes tuning for bio-chemical sensing.

Citation Download Citation

Kam Yan Hon and Andrew W. Poon "Silica polygonal micropillar resonators: fano line shapes tuning by using a Mach-Zehnder interferometer", Proc. SPIE 6101, Laser Beam Control and Applications, 61010V (23 February 2006); https://doi.org/10.1117/12.669567

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