We achieve very low loss (2 dB/cm) photonic crystal slab waveguides by using improved electron beam lithography. The loss of our sample is largely determined by lithography-induced disorder, which is supported by a theory based on the photon Green function formalism. We find that this disorder effect is also significant in high quality factor nanocavities.
Scattering Loss of Photonic Crystal Waveguides and Nanocavities Induced by Structural Disorder
2005-01-01
226769 byte
Conference paper
Electronic Resource
English
Loss-Relevant Structural Imperfections in Substrate-Type Photonic Crystal Waveguides
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