Improvements in or Relating to Photonic Crystal Fibres

Philip Russell (Inventor), Tim Birks (Inventor), Jonathan Knight (Inventor), Brian Mangan (Inventor)

Research output: Patent

Abstract

A photonic crystal fibre comprising a bulk material having an arrangement of longitudinal holes, the fibre including a cladding region and a guiding core (280), the cladding region having an effective-refractive-index which varies across the fibre's cross section, wherein, in use, the effective-refractive-index variation causes light propagating in the fibre to have a different transverse profile from the profile that it would have if the cladding region were of a substantially uniform effective refractive index.; A photonic crystal fibre comprises a bulk material having an arrangement of longitudinal holes, the fibre including a cladding region and a guiding core (280), the cladding region having an effective-refractive-index which varies across the fibre's cross section. The core may confine a first mode while the refractive index gradient of the cladding may confine a pump beam. The hole structure has been chosen to provide the guiding core and/or the refractive index gradient.
Original languageEnglish
Patent numberWO0142829A2
IPCC03B37/012
Priority date10/12/99
Filing date11/12/00
Publication statusPublished - 14 Jun 2001

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photonics
refractivity
fibers
crystals
gradients
cross sections
profiles
pumps
causes

Cite this

Russell, P., Birks, T., Knight, J., & Mangan, B. (2001). IPC No. C03B37/012. Improvements in or Relating to Photonic Crystal Fibres. (Patent No. WO0142829A2). World Intellectual Property Organization.

Improvements in or Relating to Photonic Crystal Fibres. / Russell, Philip (Inventor); Birks, Tim (Inventor); Knight, Jonathan (Inventor); Mangan, Brian (Inventor).

World Intellectual Property Organization. IPC No.: C03B37/012. Patent No.: WO0142829A2. Dec 11, 2000.

Research output: Patent

Russell, P, Birks, T, Knight, J & Mangan, B Dec. 11 2000, Improvements in or Relating to Photonic Crystal Fibres, Patent No. WO0142829A2, IPC No. C03B37/012.
Russell P, Birks T, Knight J, Mangan B, inventors. Improvements in or Relating to Photonic Crystal Fibres. C03B37/012. 2001 Jun 14.
Russell, Philip (Inventor) ; Birks, Tim (Inventor) ; Knight, Jonathan (Inventor) ; Mangan, Brian (Inventor). / Improvements in or Relating to Photonic Crystal Fibres. World Intellectual Property Organization. IPC No.: C03B37/012. Patent No.: WO0142829A2. Dec 11, 2000.
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