Sub-diffraction negative and positive index modes in mid-infrared waveguides

Anthony J. Hoffman; Viktor A. Podolskiy; Deborah L. Sivco; Claire F. Gmachl

doi:10.1364/OE.16.016404

Sub-diffraction negative and positive index modes in mid-infrared waveguides

Anthony J. Hoffman
, Viktor A. Podolskiy
, Deborah L. Sivco
, Claire F. Gmachl

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

6 Scopus citations

Abstract

We characterize a strongly anisotropic waveguide consisting of alternating 80 nm layers of n⁺-InGaAs and i-AlInAs on InP substrate. A strong increase in the transverse magnetic (TM) reflection at λ = 8.4 μm corresponds to a characteristic low-order mode cutoff for the left-handed waveguide. The subsequent decrease of TM reflection at λ= 11.5 μm represents the onset of right-handed no-cutoff light guiding. Good qualitative agreement is found when the experimental results are compared to finite element and transfer-matrix frequency domain simulations.

Original language	English (US)
Pages (from-to)	16404-16409
Number of pages	6
Journal	Optics Express
Volume	16
Issue number	21
DOIs	https://doi.org/10.1364/OE.16.016404
State	Published - Oct 13 2008

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.16.016404

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abstract = "We characterize a strongly anisotropic waveguide consisting of alternating 80 nm layers of n+-InGaAs and i-AlInAs on InP substrate. A strong increase in the transverse magnetic (TM) reflection at λ = 8.4 μm corresponds to a characteristic low-order mode cutoff for the left-handed waveguide. The subsequent decrease of TM reflection at λ= 11.5 μm represents the onset of right-handed no-cutoff light guiding. Good qualitative agreement is found when the experimental results are compared to finite element and transfer-matrix frequency domain simulations.",

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T1 - Sub-diffraction negative and positive index modes in mid-infrared waveguides

AU - Hoffman, Anthony J.

AU - Podolskiy, Viktor A.

AU - Sivco, Deborah L.

AU - Gmachl, Claire F.

PY - 2008/10/13

Y1 - 2008/10/13

N2 - We characterize a strongly anisotropic waveguide consisting of alternating 80 nm layers of n+-InGaAs and i-AlInAs on InP substrate. A strong increase in the transverse magnetic (TM) reflection at λ = 8.4 μm corresponds to a characteristic low-order mode cutoff for the left-handed waveguide. The subsequent decrease of TM reflection at λ= 11.5 μm represents the onset of right-handed no-cutoff light guiding. Good qualitative agreement is found when the experimental results are compared to finite element and transfer-matrix frequency domain simulations.

AB - We characterize a strongly anisotropic waveguide consisting of alternating 80 nm layers of n+-InGaAs and i-AlInAs on InP substrate. A strong increase in the transverse magnetic (TM) reflection at λ = 8.4 μm corresponds to a characteristic low-order mode cutoff for the left-handed waveguide. The subsequent decrease of TM reflection at λ= 11.5 μm represents the onset of right-handed no-cutoff light guiding. Good qualitative agreement is found when the experimental results are compared to finite element and transfer-matrix frequency domain simulations.

UR - https://www.scopus.com/pages/publications/54249134335

UR - https://www.scopus.com/pages/publications/54249134335#tab=citedBy

U2 - 10.1364/OE.16.016404

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M3 - Article

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AN - SCOPUS:54249134335

SN - 1094-4087

VL - 16

SP - 16404

EP - 16409

JO - Optics Express

JF - Optics Express

IS - 21

ER -

Sub-diffraction negative and positive index modes in mid-infrared waveguides

Abstract

All Science Journal Classification (ASJC) codes

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