• All-fibre heterogeneously-integrated frequency comb generation using silicon core fibre 

      Sohanpal, Ronit; Ren, Haonan; Deakin, Callum; Heidt, Alexander; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna; Liu, Zhixin (Peer reviewed; Journal article, 2022)
      Originally developed for metrology, optical frequency combs are becoming increasingly pervasive in a wider range of research topics including optical communications, spectroscopy, and radio or microwave signal processing. ...
    • Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band 

      Huang, Meng; Sun, Shiyu; Wu, Dong; Ren, Haonan; Shen, Li; Hawkins, Thomas; Ballato, John; Gibson, Ursula; Peacock, Anna C. (Peer reviewed; Journal article, 2021)
      Stimulated Raman amplification is observed for the first time in the silicon core fiber (SCF) platform. The SCFs were tapered to obtain sub-micrometer core dimensions and low optical transmission losses, facilitating ...
    • Fiber Integrated Wavelength Converter Based on a Silicon core Fiber with a Nano-spike cCoupler 

      Huang, Meng; Ren, Haonan; Aktas, Ozan; Shen, Li; Wang, Jiang; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2019)
      Abstract—An all-fiber integrated nonlinear silicon photonicwavelength converter has been proposed and fabricated using thesilicon core fiber platform. The silicon fiber was spliced directly toa conventional single ...
    • Four-wave Mixing-based Wavelength Conversion and Parametric Amplification in Submicron Silicon Core Fibers 

      Wu, Dong; Shen, Li; Ren, Haonan; Huang, Meng; Lacava, Cosimo; Campling, Joseph; Sun, Shiyu; Hawkins, Thomas A.; Gibson, Ursula; Petropoulos, Periklis; Ballato, John; Peacock, Anna (Peer reviewed; Journal article, 2020)
      Silicon core fibers represent a versatile platform for all-fiber integrated nonlinear optical applications. This paper describes the state of the art in four-wave mixing-based parametric amplification, and wavelength ...
    • Low-loss silicon core fibre platform for mid-infrared nonlinear photonics 

      Ren, Haonan; Shen, Li; Runge, Antoine; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2019)
      Broadband mid-infrared light sources are highly desired for wide-ranging applications that span free-space communications to spectroscopy. In recent years, silicon has attracted great interest as a platform for nonlinear ...
    • Material properties of tapered crystalline silicon core fibers 

      Franz, Yohann; Runge, A. F.; Ren, Haonan; Healy, Noel; Ignatyev, K.; Jones, Maxwell; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2017)
      Crystalline silicon optical fibers are emerging as a promising platform for a wide range of optoelectronic applications. Here we report a crystallographic study of the material properties within silicon fibers that have ...
    • Net optical parametric gain in a submicron silicon core fiber pumped in the telecom band 

      Wu, Dong; Shen, Li; Ren, Haonan; Campling, Joseph; Hawkins, Thomas; Ballato, John; Gibson, Ursula; Peacock, Anna (Peer reviewed; Journal article, 2019)
      A silicon core fiber (SCF) has been designed and fabricated with a dispersion engineered profile to support broadband optical parametric amplification across the telecom window. The combination of low optical transmission ...
    • Nonlinear optical properties of polycrystalline silicon core fibers from telecom wavelengths into the mid-infrared spectral region 

      Ren, Haonan; Shen, Li; Wu, D; Aktas, Ozan; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2019)
      Polycrystalline silicon core fibers (SCFs) fabricated via the molten core drawing (MCD) method are emerging as a flexible optoelectronic platform. Here, the optical transmission properties of MCD SCFs that have been tapered ...
    • Tapered silicon core fibers with nano-spikes for optical coupling via spliced silica fibers 

      Ren, Haonan; Aktas, Ozan; Franz, Yohann; Runge, Antoine; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2017)
      Abstract: Reported here is the fabrication of tapered silicon core fibers possessing a nanospike input that facilitates their seamless splicing to conventional single mode fibers. A proofof-concept 30 µm cladding diameter ...
    • Wavelength conversion and supercontinuum generation in silicon optical fibers 

      Peacock, Anna; Campling, Joseph; Runge, Antoine; Ren, Haonan; Shen, Li; Aktas, Ozan; Horak, Peter; Healy, Noel; Gibson, Ursula; Ballato, John (Journal article, 2018)
      This paper describes the state of the art in wavelength conversion and supercontinuum generation using glass-clad silicon core optical fibers. Such semiconductor fibers have enjoyed considerable attention due to their ...