Elongate photonic bandgap waveguide with low refractive index core

Matthew James Banham (Inventor), John Mark Pottage (Inventor), Tim Birks (Inventor), David Bird (Inventor)

Research output: Patent

Abstract

An elongate waveguide 400 for guiding light comprises a core 410, comprising an elongate region of relatively low refractive index; and a photonic band-gap (PBG) structure 420 that surrounds the core 410. The PBG structure 420 is arranged to provide a photonic band-gap H that can substantially confine light to the core 410. The PBG structure 420 comprises elongate regions of relatively low refractive index interspersed with elongate regions of relatively high refractive index. The band-gap H may reside above the fifth photonic band of the band-gap structure 420 eg. between bands 8 and 9 as shown.
LanguageEnglish
Patent numberGB2407390 (A)
IPCG02B6/02
StatusPublished - 27 Apr 2005

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photonics
refractivity
waveguides

Cite this

Banham, M. J., Pottage, J. M., Birks, T., & Bird, D. (2005). IPC No. G02B6/02. Elongate photonic bandgap waveguide with low refractive index core. (Patent No. GB2407390 (A)).

Elongate photonic bandgap waveguide with low refractive index core. / Banham, Matthew James (Inventor); Pottage, John Mark (Inventor); Birks, Tim (Inventor); Bird, David (Inventor).

IPC No.: G02B6/02. Patent No.: GB2407390 (A).

Research output: Patent

Banham, MJ, Pottage, JM, Birks, T & Bird, D 2005, Elongate photonic bandgap waveguide with low refractive index core, Patent No. GB2407390 (A), IPC No. G02B6/02.
Banham MJ, Pottage JM, Birks T, Bird D, inventors. Elongate photonic bandgap waveguide with low refractive index core. G02B6/02. 2005 Apr 27.
Banham, Matthew James (Inventor) ; Pottage, John Mark (Inventor) ; Birks, Tim (Inventor) ; Bird, David (Inventor). / Elongate photonic bandgap waveguide with low refractive index core. IPC No.: G02B6/02. Patent No.: GB2407390 (A).
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