Nested silicon-on-insulator Vernier effect microring resonators

Mustafa Hammood; Ajay Mistry; Lukas Chrostowski; Nicolas A. F. Jaeger

doi:10.1117/12.2507507

10 April 2019 Nested silicon-on-insulator Vernier effect microring resonators

Mustafa Hammood, Ajay Mistry, Lukas Chrostowski, Nicolas A. F. Jaeger

Proceedings Volume 10923, Silicon Photonics XIV; 109231E (2019) https://doi.org/10.1117/12.2507507
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Vernier effect, series-coupled microring resonators (MRRs) are used to extend the free-spectral-range (FSR) of MRRs. In this work we demonstrate integrating two MRRs in a compact Vernier configuration (compact as compared to previously demonstrated Vernier effect devices). our design was realized by using two waveguide crossings to form a major, outer ring that was coupled to a minor ring nested within the major ring. The ratio of the path length of the major ring to the path length of minor ring was 5:2. The spectral response of the device had an FSR of 27.94 nm, a drop port 3 dB bandwidth of 0.87 nm, a minimum extinction ratio of 16.1 dB, a minimum interstitial peak suppression of 10.6 dB, and a footprint of only 540 μm² .

Citation Download Citation

Mustafa Hammood, Ajay Mistry, Lukas Chrostowski, and Nicolas A. F. Jaeger "Nested silicon-on-insulator Vernier effect microring resonators", Proc. SPIE 10923, Silicon Photonics XIV, 109231E (10 April 2019); https://doi.org/10.1117/12.2507507

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