Abstract

We report low-loss silicide/silicon plasmonic ribbon waveguides for mid- and far-IR applications. The composite modes in silicide ribbon waveguides offer a low-loss and highly confined mode profile, giving excellent plasmon waveguiding for long-wavelength applications. The calculated propagation loss of the composite long-range surface-plasmon polariton mode at a wavelength of 100μm is 2.18 dB/cm with a mode height of less than 30μm. The results presented provide important design guidelines for silicide/Si plasmon waveguides.

© 2009 Optical Society of America

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References

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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

2008

R. Soref, R. E. Peale, and W. Buchwald, Opt. Express 16, 6507 (2008).
[CrossRef] [PubMed]

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

2007

2003

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

2000

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

1985

E. D. Palik, Handbook of Optical Constants of Solids (Academic, 1985).

1983

M. Wittmer and K. N. Tu, Phys. Rev. B 27, 1173 (1983).
[CrossRef]

Berini, P.

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

Bolivar, P. H.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Brucherseifer, M.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Buchwald, W.

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

R. Soref, R. E. Peale, and W. Buchwald, Opt. Express 16, 6507 (2008).
[CrossRef] [PubMed]

Cleary, J. W.

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

Degiron, A.

Dellagiacoma, C.

Ederra, I.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Gonzalo, R.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Martin, O. J. F.

McIlhargey, J. G.

Palik, E. D.

E. D. Palik, Handbook of Optical Constants of Solids (Academic, 1985).

Peale, R. E.

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

R. Soref, R. E. Peale, and W. Buchwald, Opt. Express 16, 6507 (2008).
[CrossRef] [PubMed]

Rivas, J. G.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Shvets, G.

Smith, D. R.

Soref, R.

R. Soref, R. E. Peale, and W. Buchwald, Opt. Express 16, 6507 (2008).
[CrossRef] [PubMed]

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

Sun, Z.

Z. Sun, Appl. Phys. Lett. 91, 111112 (2007).
[CrossRef]

Tu, K. N.

M. Wittmer and K. N. Tu, Phys. Rev. B 27, 1173 (1983).
[CrossRef]

Wittmer, M.

M. Wittmer and K. N. Tu, Phys. Rev. B 27, 1173 (1983).
[CrossRef]

Appl. Phys. Lett.

Z. Sun, Appl. Phys. Lett. 91, 111112 (2007).
[CrossRef]

IEEE Trans. Microwave Theory Tech.

P. H. Bolivar, M. Brucherseifer, J. G. Rivas, R. Gonzalo, and I. Ederra, IEEE Trans. Microwave Theory Tech. 51, 1062 (2003).
[CrossRef]

Opt. Express

Opt. Lett.

Phys. Rev. B

M. Wittmer and K. N. Tu, Phys. Rev. B 27, 1173 (1983).
[CrossRef]

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

Other

R. Soref, R. E. Peale, W. Buchwald, and J. W. Cleary, in Plasmonics and Metamaterials, 2008 OSA Technical Digest Series (Optical Society of America, 2008), paper MTuD7.

E. D. Palik, Handbook of Optical Constants of Solids (Academic, 1985).

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Figures (6)

Fig. 1
Fig. 1

(a) Cross-sectional view of silicide plasmonic ribbon waveguides; (b) calculated transverse field profile ( H x ) of the composite LRSPP mode.

Fig. 2
Fig. 2

(a) Effective refractive index and (b) the mode height and the propagation loss of the LRSPP for different slab thicknesses ( w 1 = λ , t 1 = λ / 1000 , λ = 10 μ m ).

Fig. 3
Fig. 3

(a) Effective refractive index and (b) the mode height and the propagation loss of the LRSPP for different silicide thicknesses ( w 1 = λ , t 2 = λ / 2 , λ = 10 μ m ).

Fig. 4
Fig. 4

(a) Asymmetric silicide ribbon waveguides and (b) effective refractive index and propagation loss of the LRSPP for different silicide locations ( w 1 = λ , t 1 = λ / 1000 , t 2 = λ / 2 , λ = 10 μ m ).

Fig. 5
Fig. 5

Mode size and propagation loss of the LRSPP in silicide ribbon ( t 1 = λ / 1000 , w 1 = λ ) waveguides in infinite Si.

Fig. 6
Fig. 6

Mode size and propagation loss of the composite LRSP in silicide ribbon ( t 1 = λ / 1000 , t 2 = λ / 2 , w 1 = λ ) waveguides in infinite Si.

Equations (1)

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ε = ε ω P 2 ω 2 ( 1 + j ω 1 τ 1 ) ,

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