Characterizing photonic crystal waveguides with an expanded k-space evanescent coupling technique

Michael W. Lee; Christian Grillet; Christopher G. Poulton; Christelle Monat; Cameron L.C. Smith; Eric Mägi; Darren Freeman; Steve Madden; Barry Luther-Davies; Benjamin J. Eggletons

doi:10.1364/OE.16.013800

Characterizing photonic crystal waveguides with an expanded k-space evanescent coupling technique

Michael W. Lee, Christian Grillet, Christopher G. Poulton, Christelle Monat, Cameron L.C. Smith, Eric Mägi, Darren Freeman, Steve Madden, Barry Luther-Davies, Benjamin J. Eggletons

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

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 the Fabry-Pérot spectrum of a closed PCWG over a broad k-space range, and from this measurement the dispersive properties of the waveguide can be found. Waveguide propagation losses can also be estimated from measurements of closed waveguides with different lengths. The validity of this method is demonstrated by comparing the results obtained on a 'W1' PCWG in chalcogenide glass with numerical simulation.

Original language	English
Pages (from-to)	13800-13808
Number of pages	9
Journal	Optics Express
Volume	16
Issue number	18
DOIs	https://doi.org/10.1364/OE.16.013800
Publication status	Published - 1 Sept 2008

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title = "Characterizing photonic crystal waveguides with an expanded k-space evanescent coupling technique",

abstract = "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 the Fabry-P{\'e}rot spectrum of a closed PCWG over a broad k-space range, and from this measurement the dispersive properties of the waveguide can be found. Waveguide propagation losses can also be estimated from measurements of closed waveguides with different lengths. The validity of this method is demonstrated by comparing the results obtained on a 'W1' PCWG in chalcogenide glass with numerical simulation.",

author = "Lee, {Michael W.} and Christian Grillet and Poulton, {Christopher G.} and Christelle Monat and Smith, {Cameron L.C.} and Eric M{\"a}gi and Darren Freeman and Steve Madden and Barry Luther-Davies and Eggletons, {Benjamin J.}",

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AU - Lee, Michael W.

AU - Grillet, Christian

AU - Poulton, Christopher G.

AU - Monat, Christelle

AU - Smith, Cameron L.C.

AU - Mägi, Eric

AU - Freeman, Darren

AU - Madden, Steve

AU - Luther-Davies, Barry

AU - Eggletons, Benjamin J.

PY - 2008/9/1

Y1 - 2008/9/1

N2 - 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 the Fabry-Pérot spectrum of a closed PCWG over a broad k-space range, and from this measurement the dispersive properties of the waveguide can be found. Waveguide propagation losses can also be estimated from measurements of closed waveguides with different lengths. The validity of this method is demonstrated by comparing the results obtained on a 'W1' PCWG in chalcogenide glass with numerical simulation.

AB - 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 the Fabry-Pérot spectrum of a closed PCWG over a broad k-space range, and from this measurement the dispersive properties of the waveguide can be found. Waveguide propagation losses can also be estimated from measurements of closed waveguides with different lengths. The validity of this method is demonstrated by comparing the results obtained on a 'W1' PCWG in chalcogenide glass with numerical simulation.

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DO - 10.1364/OE.16.013800

M3 - Article

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VL - 16

SP - 13800

EP - 13808

JO - Optics Express

JF - Optics Express

IS - 18

ER -

Characterizing photonic crystal waveguides with an expanded k-space evanescent coupling technique

Abstract

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