Broad tuning of whispering-gallery modes in silicon microdisks

Optics Express
Jeffrey ShainlineJimmy Xu

Abstract

Silicon microdisks with dynamically-tunable resonance spectra are achieved with nanoscale, in-plane silicon electrical contacts in a single lithographic step. Electrical current is passed through the devices to enable thermal tuning via joule heating. A 14nm wavelength shift is demonstrated with 1.6mW power consumption in devices with >20nm free spectral ranges and quality factors exceeding 20,000. Spectral shifts equal to a full width at half maximum can be achieved with approximately 10microW tuning power for a mode with quality factor of 20,000.

References

Apr 28, 2006·Optics Letters·Peter T RakichErich P Ippen
Oct 1, 2008·Optics Express·Nicolás Sherwood-DrozMichal Lipson
Oct 3, 2008·Optics Letters·Sasikanth ManipatruniMichal Lipson
Jan 22, 2007·Optics Express·Qianfan XuMichal Lipson
Jan 7, 2010·Optics Express·Jeffrey ShainlineJimmy Xu
Jul 1, 2010·Optics Express·Ian W FrankMarko Loncar

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Citations

Apr 29, 2016·Scientific Reports·Jonathan M WardSíle Nic Chormaic
Aug 9, 2017·Optics Express·Brian S LeeMichal Lipson
Mar 7, 2020·Light, Science & Applications·Xuefeng Jiang, Lan Yang
Feb 24, 2021·Light, Science & Applications·Xuefeng Jiang, Lan Yang

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