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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 10 — Oct. 1, 2013
  • pp: 1658–1659
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Titanium nitride as a plasmonic material for visible and near-infrared wavelengths [erratum]

Gururaj V. Naik, Jeremy L. Schroeder, Xingjie Ni, Alexander V. Kildishev, Timothy D. Sands, and Alexandra Boltasseva  »View Author Affiliations


Optical Materials Express, Vol. 3, Issue 10, pp. 1658-1659 (2013)
http://dx.doi.org/10.1364/OME.3.001658


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Abstract

We correct an error in figure 6 of our manuscript [Opt. Mater. Exp. 2, 478–489 (2012)] showing the propagation length and confinement width of surface-plasmon-polariton on metal/air interface.

© 2013 OSA

We correct an error in the calculation of propagation length and mode size of surface plasmon-polariton (SPP) on metal/air interface provided in Fig. 6 of [1

1. G. Naik, J. Schroeder, X. Ni, A. Kildishev, T. Sands, and A. Boltasseva, “Titanium nitride as a plasmonic material for visible and near-infrared wavelengths optics,” Optical Materials Express 2, 478–489 (2012). [CrossRef]

]. SPP propagation length (Lw) and confinement width (Dw) across an interface of a plasmonic material with air may be computed using the Eqs. 1 and 2.
Lw=1/Im(k0εmεm+1)
(1)
Dw={δDfor|εm|eδD+δmln(e/|εm|)for|εm|<e
(2)
where δD=1/Re(k01εm+1) and δm=1/Re(k0εm2εm+1), k0 = ω/c, and εm is the permittivity of the plasmonic material. δD and δm are the 1/e field decay in the dielectric and metal respectively. In Fig. 6 of [1

1. G. Naik, J. Schroeder, X. Ni, A. Kildishev, T. Sands, and A. Boltasseva, “Titanium nitride as a plasmonic material for visible and near-infrared wavelengths optics,” Optical Materials Express 2, 478–489 (2012). [CrossRef]

], the propagation length and confinement width or mode size are computed incorrectly. This mistake has been corrected in Figure 1. We regret the error, although it does not alter the results, discussion, or conclusions of the paper.

Fig. 1 Comparison of the performance characteristics of SPP waveguides formed by the interface of air with titanium nitride-, gold (JC)- and gold with loss factor of 3.5: a) Propagation length (1/e field decay length along the propagation direction) b) Confinement width (1/e field decay widths as defined in Eq. (2)).

References and links

1.

G. Naik, J. Schroeder, X. Ni, A. Kildishev, T. Sands, and A. Boltasseva, “Titanium nitride as a plasmonic material for visible and near-infrared wavelengths optics,” Optical Materials Express 2, 478–489 (2012). [CrossRef]

OCIS Codes
(160.3918) Materials : Metamaterials
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Plasmonics

History
Original Manuscript: August 19, 2013
Published: September 12, 2013

Citation
Gururaj V. Naik, Jeremy L. Schroeder, Xingjie Ni, Alexander V. Kildishev, Timothy D. Sands, and Alexandra Boltasseva, "Titanium nitride as a plasmonic material for visible and near-infrared wavelengths [erratum]," Opt. Mater. Express 3, 1658-1659 (2013)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-3-10-1658


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References

  1. G. Naik, J. Schroeder, X. Ni, A. Kildishev, T. Sands, and A. Boltasseva, “Titanium nitride as a plasmonic material for visible and near-infrared wavelengths optics,” Optical Materials Express2, 478–489 (2012). [CrossRef]

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