Design of nanobeam photonic crystal resonators for a   silicon-on-lithium-niobate platform
  We outline the design for a photonic crystal resonator made in a hybrid Silicon/Lithium Niobate material system. Using the index contrast between silicon and lithium niobate, it is possible to guide and confine photonic resonances in a thin film of silicon bonded on top of lithium niobate. Quality factors greater than $10^6$ at optical wavelength scale mode volumes are achievable. We show that patterning electrodes on such a system can yield an electro-optic coupling rate of 0.6 GHz/V (4 pm/V). 
Jeremy D. Witmer, Jeff T. Hill, and Amir H. Safavi-Naeini
physics.optics