title: Ultra high quality factor one dimensional photonic crystal/photonic wire micro-cavities in silicon-on-insulator (SOI).
abstract: We present experimental results on photonic crystal/photonic wire micro-cavity structures that demonstrate further enhancement of the quality-factor (Q-factor)--up to approximately 149,000--in the fibre telecommunications wavelength range. The Q-values and the useful transmission levels achieved are due, in particular, to the combination of both tapering within and outside the micro-cavity, with carefully designed hole diameters and non-periodic hole placement within the tapered section. Our 2D Finite Difference Time Domain (FDTD) simulation approach shows good agreement with the experimental results.
authors.affiliation: Optoelectronics Research Groups, Department of Electronics and Electrical Engineering, University of Glasgow,Rankine Building, Oakfield Avenue, Glasgow G128LT, United Kingdom. amdzain@elec.gla.ac.uk
authors.forename: Ahmad R
authors.initials: AR
authors.lastname: Zain
authors.forename: Nigel P
authors.initials: NP
authors.lastname: Johnson
authors.forename: Marc
authors.initials: M
authors.lastname: Sorel
authors.forename: Richard M
authors.initials: RM
authors.lastname: De La Rue
mesh_terms: D004867:Equipment Design; D019544:Equipment Failure Analysis; D008904:Miniaturization; D055095:Optics and Photonics / Q000295:instrumentation*; D017785:Photons; D012825:Silicon / Q000737:chemistry*; D014159:Transducers
chemical_list: D012825:Silicon