Deterministic design of wavelength scale, ultra-high Q photonic crystal nanobeam cavities
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Open Access
- 8 September 2011
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 19 (19), 18529-18542
- https://doi.org/10.1364/oe.19.018529
Abstract
Photonic crystal nanobeam cavities are versatile platforms of interest for optical communications, optomechanics, optofluidics, cavity QED, etc. In a previous work [Appl. Phys. Lett. 96, 203102 (2010)], we proposed a deterministic method to achieve ultrahigh Q cavities. This follow-up work provides systematic analysis and verifications of the deterministic design recipe and further extends the discussion to air-mode cavities. We demonstrate designs of dielectric-mode and air-mode cavities with Q > 109, as well as dielectric-mode nanobeam cavities with both ultrahigh-Q (> 107) and ultrahigh on-resonance transmissions (T > 95%).Keywords
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