Browsing 02 Physical Sciences by Author "Madden, Steve"

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Browsing 02 Physical Sciences by Author "Madden, Steve"

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  • Lee, Michael; Grillet, Christian; Poulton, Christopher; Monat, C; Smith, Cameron; Magi, Eric; Freeman, Darren; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2008)
    We demonstrate a direct, single measurement technique for characterizing the dispersion of a photonic crystal waveguide (PCWG) using a tapered fiber evanescent coupling method. A highly curved fiber taper is used to probe ...
  • Grillet, Christian; Smith, Cameron; Lee, Michael; Magi, Eric; Moss, D; Eggleton, Benjamin; Freeman, Darren; Madden, Steve; Luther-Davies, Barry; Byrne, Michael; Asatryan, Ara; Botten, Lindsay (IEEE, 2006)
  • Gao, Feng; Pant, R; Li, Eb; Poulton, Christopher; Choi, Dy; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2013)
    We report the first demonstration of a photonic-chip laser frequency sensor using Brillouin mutually-modulated cross-gain modulation (MMXGM). A large sensitivity (~9.5 mrad/kHz) of the modulation phase shift to probe carrier ...
  • Pant, R; Poulton, Christopher; Choi, Dy; Mcfarlane, H; Hile, S; Li, E; Thevenaz, L; Luther-Davies, Barry; Madden, Steve; Eggleton, Benjamin (Optical Soc Amer, 2011)
    We demonstrate on-chip stimulated Brillouin scattering (SBS) in an As2S3 chalcogenide rib waveguide. SBS was characterized in a 7cm long waveguide with a cross-section 4#gm x 850nm using the backscattered signal and ...
  • Byrnes, Adam; Pant, R; Li, Eb; Choi, Dy; Poulton, Christopher; Fan, Sh; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2012)
    We report the first demonstration of a photonic chip based dynamically reconfigurable, widely tunable, narrow pass-band, high Q microwave photonic filter (MPF). We exploit stimulated Brillouin scattering (SBS) in a 6.5 cm ...
  • Pant, R; Byrnes, Andrew; Poulton, Christopher; Li, E; Choi, Dy; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2012)
    We report the first (to our knowledge) demonstration of photonic chip based tunable slow and fast light via stimulated Brillouin scattering. Slow, fast, and negative group velocities were observed in a 7 cm long chalcogenide ...