Abstract

The characteristics of the guided electromagnetic wave propagation through a subwavelength hole surrounded by a doubly dispersive metamaterial are investigated. Characteristic equations are derived for the surface polariton modes related to the subwavelength hole and mode classifications established. The surface polariton modes for two different hole-radii are numerically obtained and their electromagnetic dispersion curves and power flux characteristics analyzed and compared with each other. In particular, it was found that the border of the counter-propagation between the forward and backward Poynting vectors was located within the metamaterial, rather than at the interface between the metamaterial and the free space.

©2005 Optical Society of America

1. Introduction

Extraordinary enhanced optical transmission though a single subwavelength aperture in metal structures has been receiving much attention [17] due to its unexpected behavior in relation to conventional theories and potential application in such areas as high density optical data storage, near field optical microscopy, subwavelength lithography, optical sensors, and optical displays. One plausible explanation for this phenomenon is the excitation of the surface polariton (SP) mode from the incident light at the entrance aperture, propagation of the SP mode through the subwavelength metal structure with a finite thickness or length, and de-excitation of the SP mode into the emitted light at the exit aperture [8]. In principle, the efficiency of the throughput is dependent on the conversion efficiency between the SP mode and the incident (and emitted) light. In general, SP mode propagation is known to exist at the interface between metals and dielectrics [9], where the permittivity of the metal is negative at a given frequency and plays a crucial role in the SP mode propagation through the subwavelength metal structure. If we assume that the frequency dependent behavior of a metal at optical frequencies as the well known Drude model, i.e., εm 0(1-ωp2/ω 2), where ε 0 is the permittivity of the free space and ωp is the plasma frequency of the angular form, the permittivity of a metal is negative below the plasma frequency and also frequency dispersive. Klyuchnik et al. already showed the existence of SP modes along a subwavelength cylindrical metal cavity, and briefly examined the dispersion properties of the SP eigenmodes due to the frequency dispersive character of the metal [8].

Recently, there has been a rapid growth of interest in metamaterials (MTMs), which are engineered artificial electromagnetic substances whose permittivity and permeability are simultaneously negative at a given desired frequency [10]. Ruppin also demonstrated the existence of an SP mode at the interface between an MTM and normal dielectric material [11, 12]. The SP modes on an MTM are expected to have multiple applications within a broad frequency spectrum, as an MTM can be artificially designed from microwave [10] to terahertz frequencies [13] or above. Therefore, even though current fabrication techniques of isotropic MTMs are still in the early stage of development, a theoretical analysis of the electromagnetic wave propagation along an MTM subwavelength hole is worthwhile to provide the guided mode characteristics of other fundamental simple guiding structures with MTMs, such as slabs [1417], grounded slabs [1820], channels [21], and cylinders [2224].

Accordingly, the present study investigates the electromagnetic wave propagation along a subwavelength circular hole surrounded by a doubly dispersive metamaterials (DDMTM). The field components are defined and used to derive the characteristic equations. The mode classifications are then made and the electromagnetic dispersions and power flux characteristics of two different diametric holes surrounded by a DDMTM analyzed and compared.

 

Fig. 1. Schematic view of subwavelength DDMTM hole with diameter D=2a in cylindrical coordinate system. The inner and outer regions are the free space (region 1) and DDMTM (region 2), respectively.

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Fig. 2. Material constants of DDMTM. The DNG and ENG regions are from 4 to 6 GHz and 6 to 10 GHz, respectively.

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2. Field components, characteristic equations, and power fluxes

2.1 Subwavelength hole surrounded by doubly dispersive metamaterial

Figure 1 shows a schematic view of the subwavelength hole surrounded by a DDMTM. The inner and surrounding regions are the free space (region 1) and DDMTM (region 2), respectively. The diameter of the hole is depicted as D=2a, where a is the radius. The free space region is characterized by ε r1=µ r1=1.0 and the relative permittivity and permeability of the DDMTM can be respectively assumed as follows:

εr2(ω)=1ωp2ω2
μr2(ω)=1Fω2ω2ω02

where ω 0 is the resonant frequency of the angular form. The assumed MTM parameters are ωp /2π=10 GHz, ω 0/2π=4 GHz, and F=0.56, based on the experimental values of a structure composed of metallic rods and split ring resonators (SRRs) [10], plus these parameters have also been used in other studies on isotropic MTMs [11, 12, 14, 21, 22, 24]. Figure 2 shows plots of the material expressions of Eq. (1). When using the selected parameters, the relative permittivity and permeability are both negative in the region from 4 to 6 GHz, called the double negative (DNG) region. Meanwhile, only the permittivity is negative in the region from 6 to 10 GHz, called the epsilon-negative (ENG) region. Since no SP mode solutions were found between f<4 GHz and f>10 GHz, those frequency regions are disregarded. Instead, the frequencies marked at A (4.714 GHz) and B (7.071 GHz) are the critical frequencies playing an important role in the dispersion relation, and will be discussed in section 3.

2.2 Field expressions

Since electromagnetic fields from an open guiding structure are vanish at infinity, a modified Bessel function of the second kind, i.e., 2 Km (k 2 r), is selected to express the behavior of the axial electric and magnetic fields along the transverse direction (r) in the DDMTM region, where m is the azimuthal eigenvalue and k 2 is the transverse propagation constant in the DDMTM region. If Km (k 2 r) is chosen as the surrounding field, k 2 is given as k 2=(β 2-k02 µ r2 ε r2)1/2 [25], where β and k 0 are the axial propagation constant and free space wave number, respectively. For the DNG case, i.e., µ r2<0 and ε r2<0, the condition for the square root to be positive is β̄=β/k 0>(µ r2 ε r2)1/2, where β̄ is the normalized propagation constant. In contrast, the single negative (SNG) material constants themselves, i.e., µ r2>0 and ε r2<0 (ENG), or µ r2<0 and ε r2>0 (mu-negative (MNG)), are sufficient condition for the square root to be positive. Nonetheless, the condition β/k 0>(µ r1 ε r1)1/2 (=1.0) for the free space region (region 1) needs to be simultaneously satisfied to support the slow waves in this structure. Thus, the transverse propagation constants in the free space region can be expressed as k 1=(β 2-k02 µ r1 ε r1)1/2 and the proper choice of a Bessel function for the free space region needs to be a modified Bessel function of the first kind, i.e., Im (k 1 r) [25]. Therefore, in the DNG region, the allowed SP mode solutions for β̄ must be within the region of β̄>(µ r2 ε r2)1/2 and β̄>(µ r1 ε r1)1/2 for (µ r2 ε r2)1/2>(µ r1 ε r1)1/2(=1.0) and (µ r1 ε r1)1/2 (=1.0)>(µ r2 ε r2)1/2, respectively. Resultant axial fields of the DDMTM hole are identical to those for a plasma column [26] and the SP mode of an MTM column [2224]. Figure 3 shows the allowed SP mode region of the DDMTM hole for the DNG and SNG cases. In the SNG region, only β̄>(µ r1 ε r1)1/2.

 

Fig. 3. Allowed SP mode region of DDMTM hole for DNG and SNG cases. (a) DNG with μr2εr2>μr1εr1, (b) DNG with μr1εr1>μr2εr2, and (c) SNG (ENG or MNG).

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2.3 Characteristic equations

Following the standard steps of deriving characteristic equations using the fields described in the previous section, the general characteristic equation can be obtained as follows

[εr1k1Im(k1a)Im(k1a)εr2k2Km(k2a)Km(k2a)][μr1k1Im(k1a)Im(k1a)μr2k2Km(k2a)Km(k2a)]=[mβk0a(1k121k22)]2.

Prime denotes the differentiation. For m=0, the characteristic equation (2) is split into two characteristic equations involving the TM0n and TE0n modes as follows, respectively:

εr1k1I1(k1a)I0(k1a)+εr2k2K1(k2a)K0(k2a)=0
μr1k1I1(k1a)I0(k1a)+μr2k2K1(k2a)K0(k2a)=0.

In a more general case, i.e., m≥1, the characteristic equation (2) can be written as follows using an empirical induction procedure:

(μr2μr1+εr2εr1)Q2±{(μr2μr1+εr2εr1)Q2}2+Rμr1εr1P=0

where

P=1k1a(Im1(k1a)Im(k1a)mk1a)
Q=1k2a(Km1(k2a)Km(k2a)+mk2a)
R={mβk0a2(1k121k22)}2.

Since the mode satisfying the characteristic equation (4) has both electric and magnetic fields in its axial components, the mode is called a hybrid mode. The “±” signs in Eq. (4a) correspond to the HEmn and EHmn modes, respectively. The mode whose axial electric (magnetic) field is dominant is traditionally referred to as the HEmn (EHmn) mode. Plus, since the HEmn (EHmn) mode is similar to the TM0n (TE0n) mode, the modes such as TM0n, HE1n, HE2n, … (TE0n, EH1n, EH2n, …) etc. are called the TM-like (TE-like) modes.

2.4 Power considerations

Backward waves can be supported in MTMs [27] due to the intrinsic left-handedness of MTMs. Thus, to analyze the backward wave characteristics, the present study considered the normalized power flux η=(P 1+P 2)/(P 1|+|P 2|) [14, 21]. P 1 and P 2 are the fractional power fluxes in regions 1 and 2, respectively, and given as P 1=0a S z1 rdr and P 2=a S z2 rdr, respectively, where the axial components of the Poynting vectors in regions 1 and 2 can be given as S z1=E r1 H*θ1-E θ1 H*r1 and S z2=E r2 H*θ2-E θ2 H*r2, respectively. Eri and Eθi (Hri and Hθi ) (i=1, 2) are the radial and azimuthal electric (magnetic) field components. Asterisk denotes the complex conjugate. Since P 1 and P 2 are expected to have opposite signs, η>0 and η<0 are the conditions for the forward and backward waves, respectively, where η=0 means the cancellation of the power fluxes between the forward and backward waves. Moreover, a larger positive (negative) value for η implies a more tightly (loosely) bound mode in the free space region (r<a) of the subwavelength hole.

3. Numerical results and discussions

3.1 TE-like modes

Figure 4 shows the dispersion curves and their corresponding normalized power flux for the TE-like modes of the subwavelength hole with a 20.0 mm diameter. SP mode solutions existed above a frequency of 4.714 GHz, corresponding to point “A” in Fig. 2, where µ r2=1.0, and all the SP mode solutions existed in the DNG region (4 to 6 GHz) in Fig. 2. In the case of an MTM column with identical MTM parameters to Eq. (1), all the guided mode solutions existed below this critical frequency [24]. It was also found that only a principal mode (n=1) existed for each azimuthal eigenvalue, whereas higher order modes existed in the case of an MTM column. The negative slopes of the dispersion curves indicated the backward waves [26], which were also identified by the normalized power flux, i.e., η<0 as shown in Fig. 4(b). In the present study, all the TE-like SP mode solutions for the chosen parameters were backward wave type.

 

Fig. 4. TE-like modes of DDMTM hole with D=20.0 mm. (a) Dispersion curves and (b) normalized power flux. Corresponding operating wave numbers are also shown.

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The cutoff for the TE01 (m=0) mode was on the β/k 0=1.0 line, while the cutoff frequency was 5.407 GHz, as in the case of Fig. 3(b), i.e., (µ r1 ε r1)1/2>(µ r2 ε r2)1/2. In contrast, the cutoff for the hybrid modes, such as the EH11 (m=1) and EH21 (m=2) modes, was on the β/k 0=(µ r2 ε r2)1/2 line, while the cutoff frequencies were 5.186 GHz and 4.925 GHz, respectively, as in the case of Fig. 3(a), i.e., (µ r2 ε r2)1/2>(µ r1 ε r1)1/2. Thus, the single TE-like SP mode propagation region was from 5.186 to 5.407 GHz, with a width of 0.221 GHz. When analyzing the TE-like mode of the MTM subwavelength hole with a 20.0 mm diameter, the wavelengths of the obtained TE-like SP modes ranged from 55.48 mm (5.407 GHz) to 63.64 mm (4.714 GHz), representing approximately three times the diameter of the subwavelength hole.

 

Fig. 5. TE-like modes of DDMTM hole with D=2.0 mm. (a) Dispersion curves and (b) normalized power flux. Insets are enlarged scales. Corresponding operating wave numbers are also shown.

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When considering a smaller subwavelength DDMTM hole with a 2.0 mm diameter, the dispersion curves and normalized power flux for the TE-like modes are shown in Fig. 5. The cutoff frequency for the TE01 mode shifted higher to 5.967 GHz (from 5.407 GHz in D=20.0 mm case) and all the TE01 SP mode solutions were backward wave type. In contrast,

for the hybrid modes (m≥1), i.e., the EH11 and EH21 modes, forward waves were generated, as designated by dashed lines in Fig. 5. The slopes of the forward waves in the dispersion curves were positive, and η>0 for the corresponding region, as shown in Fig. 5(b). In spite of dissimilar geometrical configuration, forward and backward wave traveling properties associated with the respective positive and negative slopes in the dispersion curves of the MTM guiding structure were well described by Halterman et al [28]. Note that the forward waves of the EHm1 mode appeared with a small hole radius. However, in the case of a simple waveguide structure with frequency dispersive plasma media, such as a plasma slab [29], plasma column [26], and plasma Goubau line [30], small-sized waveguide cross sections produce backward waves from forward waves, which is the opposite to the present work.

 

Fig. 6. TM-like modes of DDMTM hole with D=20.0 mm. (a) Dispersion curves and (b) normalized power flux. Corresponding operating wave numbers are also shown.

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The cutoff frequencies for the EH11 and EH21 modes on the β/k 0=(µ r2 ε r2)1/2 line were 4.820 and 4.720 GHz, respectively. In the case of the EH11 mode, from 4.776 to 4.820 GHz, as shown in the inset of Fig. 5(a), three SP modes, i.e., one forward wave and two backward waves were found to coexist, yet orthogonal to each other [15]. From 4.820 to 4.884 GHz, one forward wave and backward wave coexisted at the same frequency, and below 4.776 GHz, only a single backward wave existed that was limited to 4.714 GHz, which is the lower frequency limit for backward waves. Meanwhile, for the EH11 mode, the bifurcation frequency of 4.884 GHz was higher than the cutoff frequency of 4.820 GHz. Thus, only a single TE01 SP mode propagation was available from 4.884 to 5.967 GHz with a bandwidth of 1.083 GHz, which was broader than the previous case of D=20.0 mm (0.221 GHz). As such, the wavelengths for the obtained TE-like SP modes in the case of D=2.0 mm ranged from 50.28 mm (5.967 GHz) to 63.64 mm (4.714 GHz), representing approximately 30 times the diameter of the hole. The existence of the TE-like mode is due to the negative value of the permeability in the DNG region, which cannot be observed in a hole with ENG material surrounded. Thus, this DDMTM hole can be a potential applicant to a prove tip of a near-field microscope, which can scan specimens by use of the incident TE01 mode as well as TM01 mode, simultaneously or independently.

 

Fig. 7. TM-like modes of DDMTM hole with D=2.0 mm. (a) Dispersion curves and (b) normalized power flux. The inset in (b) is an enlarged scale of the normalized power flux for the HE11 mode. At 7.32 GHz (point b), η=0. Points a, b, c, d, e, and f indicate the positions of the plots of the Ponyting vectors S z1 and S z2 in Fig. 8.

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3.2 TM-like modes

Figure 6 shows the dispersion curves and the corresponding normalized power fluxes for the TM-like SP modes of the DDMTM subwavelength hole with a 20.0 mm diameter. The SP mode solutions were all obtained within the ENG region (6 to 10 GHz) in Fig. 2, which corresponded to the case in Fig. 3(c). While the TM0n mode (m=0) only had backward waves with a negative slope in the dispersion curves, the hybrid modes (m≥1) exhibited both forward and backward waves, as shown in Fig. 6(a). For the previous EHm1 mode when D=20.0 mm, the modes were only backward type. As in the previous TE-like mode cases, no backward waves existed below the critical frequency of f=7.071 GHz, corresponding to point “B” in Fig. 2, where ε r2=-1.0. In contrast, forward waves were found to exist below and above the critical frequency. The TM-like SP modes were also monomodal, i.e., there were no higher order modes. The cutoff frequencies, i.e., the frequencies at β/k 0=1.0, for the TM01, HE11, and HE21 modes were 7.695 GHz, 6.923 GHz, and 6.967 GHz, respectively.

 

Fig. 8. Spatial power distributions of Poynting vectors Sz1 and Sz2. Amplitude is an arbitrary unit.

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Since the bifurcation frequency between the forward and backward waves of the HE11 mode was 7.344 GHz, which was higher than the cutoff frequencies for the hybrid modes, the single TM01 mode propagation region spanned from 7.344 to 7.695 GHz with a width of 0.351 GHz. The obtained operating wavelengths ranged from 23.08 mm (6.923 GHz) to 38.99 mm (7.695 GHz) when the diameter of the hole was 20.0 mm. Figure 7 shows the dispersion curves and normalized power fluxes of the TM-like SP modes for the DDMTM subwavelength hole with a 2.0 mm diameter. The cutoff frequencies for each SP mode shifted toward higher frequencies when compared with the case of D=20.0 mm. For example, they were 9.812 GHz and 7.115 GHz for the TM01 and HE11 modes, respectively. Due to the bifurcation character of the hybrid HEm1 modes, the bifurcation frequency of the HE11 mode was 7.658 GHz, which was higher than the cutoff frequency observed in the previous cases. Thus, the single TM01 mode operation region became broader than in the case of D=20.0 mm, i.e., 7.658 to 9.812 GHz, where the width was 2.154 GHz. The operating wavelengths ranged from 30.57 mm (9.812 GHz) to 42.42 mm (7.071 GHz), representing approximately 15 to 20 times the 2.00 mm diameter of the subwavelength hole. In the hybrid mode cases, the normalized power flux η increased when compared to the case of D=20.0 mm, indicating that the power flux of the mode was more confined, and η even became unity below a certain critical frequency. For the HE11 mode, η=+1 below 7.32 GHz (point b), as shown in Fig. 7 (b). The η=+1 value indicates that the direction of the power flux in the DDMTM region was parallel to that in the free space region, which purportedly cannot be observed anywhere else. To find a more precise justification for this phenomenon, the spatial power distributions in a cross-section of the subwavelength DDMTM hole were investigated using the Poynting vectors S z1 and S z2, as shown in Fig. 8, at the points marked in Fig. 7. At points a (f=7.25 GHz), b (f=7.32 GHz), and c(f=7.40 GHz), S z2 was positive near the interface between the DDMTM and the free space, even though S z2 was the Poynting vector for the MTM region. However, S z2 became negative again as r increased. At point a, the integration of the positive portion of S z2 was larger than that of the negative portion. Thus, η became +1 due to P 2>0. The onset of this phenomenon occurred just below point b, where the integrations of the positive and negative portions of S z2 cancelled each other, and P 2=0. This η=+1 propagation was also found in the hybrid SP mode with sufficiently small hole radii. However, at point c, the integration of the negative portion of S z2 was dominant over the integration of the positive portion, where P 2<0 and η<1. At points a, b, and c, it should be noted that the border of the counter-propagation between the forward and backward Poynting vectors was located within the MTM region. This is essentially different from the Poynting vector fields previously found in MTM slabs [14, 31] or ground MTM slabs [20], where the counter-propagation of the Ponting vectors between the MTM region and the conventional dielectric region are always at the interface. Therefore, the distinctive counter-propagation phenomenon was surely associated with the hybrid modes in the circular guiding cross-section, plus the effect of a small-sized hole. At higher frequencies, e.g., d (f=7.50 GHz), e (f=7.60 GHz), and f(f=7.60 GHz) in Fig. 7, the positive portions of S z2 near the surface disappeared and S z2 remained negative at all positions, as usually expected. Although we considered an infinite MTM cladding, the amount of power flow even at some distance from the hollow core boundary is very negligible, as seen from Fig. 8. For example, in the case of 2.0 mm diameter hole, at 5.0 mm from the center of the hollow core, the power level is extremely low, which can be considered as to be zero. Besides, the operating wavelengths are larger than the diameter by 15 to 20 times in this case. So, the hollow cylinders of the MTM cladding with finite thickness can also be analyzed in the present simple method. Lastly, the HEm1 mode was more tightly bound than the EHm1 mode when the normalized power fluxes of both modes in Figs. 47 were compared with each other.

4. Conclusions

This work investigated the electromagnetic dispersion and power flux characteristics of DDMTM holes with two different subwavelength diameters. TE-like and TM-like SP modes were both found to exist, and only the principal modes for each azimuthal eigenvalue had proper solutions. The obtained TE-like and TM-like SP modes were within the frequency region of the DNG and ENG, respectively. Two critical frequencies were identified for the lower limits of the backward TE-like and TM-like modes, where µ r2=-1.0 and ε r2=-1.0, respectively. Nonetheless, the TM01 and TE01 modes only supported backward waves, while the hybrid modes supported both forward and backward wave modes, thereby generating a frequency region where two or three orthogonal modes could coexist. In particular, forward waves appeared for the EHm1 mode when the radius of the hole was small. Meanwhile, the HEm1 mode with a small-sized hole exhibited a distinctive counter-propagation of the Poynting vectors in each region, which was the main reason for the η=+1 propagation.

The analysis presented here may find an application such as a prove tip of near-field microscope which can operate in two polarization modes, simultaneously or independently.

The present study may help in understanding the enhanced transmission phenomena, which can be observed in the subwavelength hole structure of finite length surrounded by the MTM.

Acknowledgments

This work was supported by grant No. R01-2004-000-10158-0 from the Basic Research Program of the Korea Science & Engineering Foundation.

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References

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  1. T. Thio, K. M. Pellerin, R. A. Linke., H. J. Lezec, and T. W. Ebbesen, “Enhanced light transmission through a single subwavelength aperture,” Opt. Lett. 26, 1972–1974 (2001).
    [Crossref]
  2. H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
    [Crossref] [PubMed]
  3. L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
    [Crossref] [PubMed]
  4. F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
    [Crossref] [PubMed]
  5. A. Degiron and T. W. Ebbesen, “Analysis of the transmission process through single apertures surrounded by periodic corrugations,” Opt. Express 12, 3694–3670 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-16-3694
    [Crossref] [PubMed]
  6. A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
    [Crossref]
  7. N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
    [Crossref]
  8. A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
    [Crossref]
  9. H. Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings, (Springer-Verlag, 1988).
  10. D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
    [Crossref] [PubMed]
  11. R. Ruppin, “Surface polaritons of a left-handed medium,” Phys. Lett. A 277, 61–64 (2000).
    [Crossref]
  12. R. Ruppin, “Surface polaritons of a left-handed material slab,” J. Phys.: Condens. Matter 131811–1819 (2001).
    [Crossref]
  13. H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
    [Crossref] [PubMed]
  14. I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
    [Crossref]
  15. H. Dong and T. X. Wu, “Analysis of discontinuities in double-negative (DNG) slab waveguides,” Microwave Opt. Tech. Lett. 39, 483–488 (2003).
    [Crossref]
  16. H. Cory and A. Barger, “Surface-wave propagation along a metamaterial slab,” Microwave Opt. Tech. Lett. 38, 392–395 (2003).
    [Crossref]
  17. B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
    [Crossref]
  18. P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
    [Crossref]
  19. M. M. B. Suwailiam and Z. Chen, “Surface waves on a grounded double-negative (DNG) slab waveguide,” Microwave Opt. Tech. Lett. 44, 494–498 (2005).
    [Crossref]
  20. J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
    [Crossref]
  21. A. C. Peacock and N. G. R. Broderick, “Guided modes in channel waveguides with a negative index of refraction,” Opt. Express 11, 2502–2510 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-20-2502
    [Crossref] [PubMed]
  22. A. V. Novitsky and L. M. Barkovsky, “Guided modes in negative-refractive-index fibres,” J. Opt. A: Pure Appl. Opt 7, S51–S56 (2005).
    [Crossref]
  23. H. Cory and T. Blum, Surface-wave propagation along a metamaterial cylindrical guide, MicrowaveOpt. Tech. Lett. 44, 31–35 (2005).
    [Crossref]
  24. K. Y. Kim, Guided and Leaky Modes of Circular Open Electromagnetic Waveguides: Dielectric, Plasma, and Metamaterial Columns, Ph.D. Thesis, Kyungpook National University, (2004), http://palgong.knu.ac.kr/~doors/PDFs/PhDThesis.pdf
  25. A. Safaai-Jazi and G. L. Yip, “Classification of hybrid modes in cylindrical dielectric optical waveguides,” Radio Sci. 12, 603–609 (1977).
    [Crossref]
  26. V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
    [Crossref]
  27. V. G. Veselago, “The electrodynamics of substances with simultaneously negative values of ε and µ,” Sov. Phys. Usp. 10, 509–514 (1968).
    [Crossref]
  28. K. Halterman, J. M. Elson, and P. L. Overfelt, “Characteristics of bound modes in coupled dielectric waveguides containing negative index media,” Opt. Express 11, 521–529 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-6-521
    [Crossref] [PubMed]
  29. A. A. Oliner and T. Tamir, “Backward waves on isotropic plasma slabs,” J. Appl. Phys. 33, 231–233 (1962)
    [Crossref]
  30. T. Tamir and S. Palócz, “Surface waves on plasma-clad metal rods,” IEEE Trans. Microwave Theory Tech. 12, 189–196 (1964).
    [Crossref]
  31. I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
    [Crossref]

2005 (5)

N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
[Crossref]

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

M. M. B. Suwailiam and Z. Chen, “Surface waves on a grounded double-negative (DNG) slab waveguide,” Microwave Opt. Tech. Lett. 44, 494–498 (2005).
[Crossref]

A. V. Novitsky and L. M. Barkovsky, “Guided modes in negative-refractive-index fibres,” J. Opt. A: Pure Appl. Opt 7, S51–S56 (2005).
[Crossref]

H. Cory and T. Blum, Surface-wave propagation along a metamaterial cylindrical guide, MicrowaveOpt. Tech. Lett. 44, 31–35 (2005).
[Crossref]

2004 (4)

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

A. Degiron and T. W. Ebbesen, “Analysis of the transmission process through single apertures surrounded by periodic corrugations,” Opt. Express 12, 3694–3670 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-16-3694
[Crossref] [PubMed]

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

2003 (10)

A. C. Peacock and N. G. R. Broderick, “Guided modes in channel waveguides with a negative index of refraction,” Opt. Express 11, 2502–2510 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-20-2502
[Crossref] [PubMed]

I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
[Crossref]

H. Dong and T. X. Wu, “Analysis of discontinuities in double-negative (DNG) slab waveguides,” Microwave Opt. Tech. Lett. 39, 483–488 (2003).
[Crossref]

H. Cory and A. Barger, “Surface-wave propagation along a metamaterial slab,” Microwave Opt. Tech. Lett. 38, 392–395 (2003).
[Crossref]

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
[Crossref]

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

K. Halterman, J. M. Elson, and P. L. Overfelt, “Characteristics of bound modes in coupled dielectric waveguides containing negative index media,” Opt. Express 11, 521–529 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-6-521
[Crossref] [PubMed]

2002 (1)

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

2001 (2)

2000 (2)

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

R. Ruppin, “Surface polaritons of a left-handed medium,” Phys. Lett. A 277, 61–64 (2000).
[Crossref]

1977 (1)

A. Safaai-Jazi and G. L. Yip, “Classification of hybrid modes in cylindrical dielectric optical waveguides,” Radio Sci. 12, 603–609 (1977).
[Crossref]

1968 (1)

V. G. Veselago, “The electrodynamics of substances with simultaneously negative values of ε and µ,” Sov. Phys. Usp. 10, 509–514 (1968).
[Crossref]

1964 (1)

T. Tamir and S. Palócz, “Surface waves on plasma-clad metal rods,” IEEE Trans. Microwave Theory Tech. 12, 189–196 (1964).
[Crossref]

1963 (1)

V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
[Crossref]

1962 (1)

A. A. Oliner and T. Tamir, “Backward waves on isotropic plasma slabs,” J. Appl. Phys. 33, 231–233 (1962)
[Crossref]

Baccarelli, P.

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

Barger, A.

H. Cory and A. Barger, “Surface-wave propagation along a metamaterial slab,” Microwave Opt. Tech. Lett. 38, 392–395 (2003).
[Crossref]

Barkovsky, L. M.

A. V. Novitsky and L. M. Barkovsky, “Guided modes in negative-refractive-index fibres,” J. Opt. A: Pure Appl. Opt 7, S51–S56 (2005).
[Crossref]

Blum, T.

H. Cory and T. Blum, Surface-wave propagation along a metamaterial cylindrical guide, MicrowaveOpt. Tech. Lett. 44, 31–35 (2005).
[Crossref]

Boardman, A. D.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

Bonod, N.

N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
[Crossref]

Broderick, N. G. R.

Burghignoli, P.

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

Casse, B. D. F.

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

Chen, Z.

M. M. B. Suwailiam and Z. Chen, “Surface waves on a grounded double-negative (DNG) slab waveguide,” Microwave Opt. Tech. Lett. 44, 494–498 (2005).
[Crossref]

Cory, H.

H. Cory and T. Blum, Surface-wave propagation along a metamaterial cylindrical guide, MicrowaveOpt. Tech. Lett. 44, 31–35 (2005).
[Crossref]

H. Cory and A. Barger, “Surface-wave propagation along a metamaterial slab,” Microwave Opt. Tech. Lett. 38, 392–395 (2003).
[Crossref]

Degiron, A.

A. Degiron and T. W. Ebbesen, “Analysis of the transmission process through single apertures surrounded by periodic corrugations,” Opt. Express 12, 3694–3670 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-16-3694
[Crossref] [PubMed]

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

Devaux, E.

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

Dong, H.

H. Dong and T. X. Wu, “Analysis of discontinuities in double-negative (DNG) slab waveguides,” Microwave Opt. Tech. Lett. 39, 483–488 (2003).
[Crossref]

Ebbesen, T. W.

A. Degiron and T. W. Ebbesen, “Analysis of the transmission process through single apertures surrounded by periodic corrugations,” Opt. Express 12, 3694–3670 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-16-3694
[Crossref] [PubMed]

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

T. Thio, K. M. Pellerin, R. A. Linke., H. J. Lezec, and T. W. Ebbesen, “Enhanced light transmission through a single subwavelength aperture,” Opt. Lett. 26, 1972–1974 (2001).
[Crossref]

Egan, P.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

Elson, J. M.

Forester, D. W.

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Garcia-Vidal, F. J.

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

García-Vidal, F. J.

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

Granatstein, V. L.

V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
[Crossref]

Grzegorczyk, T. M.

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

Halterman, K.

Kim, K. Y.

K. Y. Kim, Guided and Leaky Modes of Circular Open Electromagnetic Waveguides: Dielectric, Plasma, and Metamaterial Columns, Ph.D. Thesis, Kyungpook National University, (2004), http://palgong.knu.ac.kr/~doors/PDFs/PhDThesis.pdf

Kivshar, Y. S.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
[Crossref]

Klyuchnik, A. V.

A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
[Crossref]

Kong, J. A.

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

Kurganov, S. Y.

A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
[Crossref]

Lezec, H. J.

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

T. Thio, K. M. Pellerin, R. A. Linke., H. J. Lezec, and T. W. Ebbesen, “Enhanced light transmission through a single subwavelength aperture,” Opt. Lett. 26, 1972–1974 (2001).
[Crossref]

Linke, R. A.

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

Linke., R. A.

Loschialpo, P. F.

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Lovat, G.

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

Lozovik, Y. E.

A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
[Crossref]

Martin-Moreno, L.

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

Martín-Moreno, L.

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

Medgye-Mitschang, L. N.

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Monzon, C.

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Moser, H. O.

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

Nemat-Nasser, S. C.

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

Nevière, M.

N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
[Crossref]

Novitsky, A. V.

A. V. Novitsky and L. M. Barkovsky, “Guided modes in negative-refractive-index fibres,” J. Opt. A: Pure Appl. Opt 7, S51–S56 (2005).
[Crossref]

Oliner, A. A.

A. A. Oliner and T. Tamir, “Backward waves on isotropic plasma slabs,” J. Appl. Phys. 33, 231–233 (1962)
[Crossref]

Overfelt, P. L.

Padilla, W. J.

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

Palócz, S.

T. Tamir and S. Palócz, “Surface waves on plasma-clad metal rods,” IEEE Trans. Microwave Theory Tech. 12, 189–196 (1964).
[Crossref]

Paulotto, S.

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

Peacock, A. C.

Pellerin, K. M.

Popov, E.

N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
[Crossref]

Raether, H.

H. Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings, (Springer-Verlag, 1988).

Ruppin, R.

R. Ruppin, “Surface polaritons of a left-handed material slab,” J. Phys.: Condens. Matter 131811–1819 (2001).
[Crossref]

R. Ruppin, “Surface polaritons of a left-handed medium,” Phys. Lett. A 277, 61–64 (2000).
[Crossref]

Safaai-Jazi, A.

A. Safaai-Jazi and G. L. Yip, “Classification of hybrid modes in cylindrical dielectric optical waveguides,” Radio Sci. 12, 603–609 (1977).
[Crossref]

Saw, B. T.

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

Schelleng, J.

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Schlesinger, S. P.

V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
[Crossref]

Schultz, S.

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

Shadrivov, I. V.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
[Crossref]

Smith, D. R.

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

Sukhorukov, A. A.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
[Crossref]

Suwailiam, M. M. B.

M. M. B. Suwailiam and Z. Chen, “Surface waves on a grounded double-negative (DNG) slab waveguide,” Microwave Opt. Tech. Lett. 44, 494–498 (2005).
[Crossref]

Tamir, T.

T. Tamir and S. Palócz, “Surface waves on plasma-clad metal rods,” IEEE Trans. Microwave Theory Tech. 12, 189–196 (1964).
[Crossref]

A. A. Oliner and T. Tamir, “Backward waves on isotropic plasma slabs,” J. Appl. Phys. 33, 231–233 (1962)
[Crossref]

Thio, T.

Veselago, V. G.

V. G. Veselago, “The electrodynamics of substances with simultaneously negative values of ε and µ,” Sov. Phys. Usp. 10, 509–514 (1968).
[Crossref]

Vier, D. C.

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

Vigants, A.

V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
[Crossref]

Wilhelmi, O.

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

Wu, B. -I.

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

Wu, T. X.

H. Dong and T. X. Wu, “Analysis of discontinuities in double-negative (DNG) slab waveguides,” Microwave Opt. Tech. Lett. 39, 483–488 (2003).
[Crossref]

Yammamoto, N.

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

Yip, G. L.

A. Safaai-Jazi and G. L. Yip, “Classification of hybrid modes in cylindrical dielectric optical waveguides,” Radio Sci. 12, 603–609 (1977).
[Crossref]

Zhang, Y.

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

Zharov, A. A.

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

IEEE Ant. Wireless Prop. Lett. (1)

P. Baccarelli, P. Burghignoli, G. Lovat, and S. Paulotto, “Surface-wave suppression in a double-negative metamaterial grounded slab,” IEEE Ant. Wireless Prop. Lett. 2, 269–272 (2003).
[Crossref]

IEEE Trans. Ant. Prop. (1)

V. L. Granatstein, S. P. Schlesinger, and A. Vigants, “The open plasmaguide in extreme of magnetic field,” IEEE Trans. Ant. Prop. 11, 489–496 (1963).
[Crossref]

IEEE Trans. Microwave Theory Tech. (1)

T. Tamir and S. Palócz, “Surface waves on plasma-clad metal rods,” IEEE Trans. Microwave Theory Tech. 12, 189–196 (1964).
[Crossref]

J. Appl. Phys. (2)

A. A. Oliner and T. Tamir, “Backward waves on isotropic plasma slabs,” J. Appl. Phys. 33, 231–233 (1962)
[Crossref]

B. -I. Wu, T. M. Grzegorczyk, Y. Zhang, and J. A. Kong, “Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability,” J. Appl. Phys. 93, 9386–9388 (2003).
[Crossref]

J. Opt. A: Pure Appl. Opt (1)

A. V. Novitsky and L. M. Barkovsky, “Guided modes in negative-refractive-index fibres,” J. Opt. A: Pure Appl. Opt 7, S51–S56 (2005).
[Crossref]

J. Phys.: Condens. Matter (1)

R. Ruppin, “Surface polaritons of a left-handed material slab,” J. Phys.: Condens. Matter 131811–1819 (2001).
[Crossref]

Microwave Opt. Tech. Lett. (3)

H. Dong and T. X. Wu, “Analysis of discontinuities in double-negative (DNG) slab waveguides,” Microwave Opt. Tech. Lett. 39, 483–488 (2003).
[Crossref]

H. Cory and A. Barger, “Surface-wave propagation along a metamaterial slab,” Microwave Opt. Tech. Lett. 38, 392–395 (2003).
[Crossref]

M. M. B. Suwailiam and Z. Chen, “Surface waves on a grounded double-negative (DNG) slab waveguide,” Microwave Opt. Tech. Lett. 44, 494–498 (2005).
[Crossref]

Opt. Commun. (2)

A. Degiron, H. J. Lezec, N. Yammamoto, and T. W. Ebbesen, “Optical transmission properties of a single subwavelnegth aperture in a real metal,” Opt. Commun. 239, 61–64 (2004).
[Crossref]

N. Bonod, E. Popov, and M. Nevière, “Light transmission through a subwavelength microstructured aperture: electromagnetic theory and applications,” Opt. Commun. 245, 355–361 (2005).
[Crossref]

Opt. Express (3)

Opt. Lett. (1)

Opt. Tech. Lett. (1)

H. Cory and T. Blum, Surface-wave propagation along a metamaterial cylindrical guide, MicrowaveOpt. Tech. Lett. 44, 31–35 (2005).
[Crossref]

Phys Rev E (1)

J. Schelleng, C. Monzon, P. F. Loschialpo, D. W. Forester, and L. N. Medgye-Mitschang, “Characteristics of waves guided by a grounded “left-handed” material slab of finite extent,” Phys Rev E 70, 066606 (2004).
[Crossref]

Phys. Lett. A (1)

R. Ruppin, “Surface polaritons of a left-handed medium,” Phys. Lett. A 277, 61–64 (2000).
[Crossref]

Phys. Rev. E (2)

I. V. Shadrivov, A. A. Sukhorukov, and Y. S. Kivshar, “Guided modes in negative-refractive-index waveguides,” Phys. Rev. E 67, 057602 (2003).
[Crossref]

I. V. Shadrivov, A. A. Sukhorukov, Y. S. Kivshar, A. A. Zharov, A. D. Boardman, and P. Egan, “Nonlinear surface waves in left-handed materials,” Phys. Rev. E 69, 016617 (2004)
[Crossref]

Phys. Rev. Lett. (4)

D. R. Smith, W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, “Composite medium with simultaneously negative permeability and permittivity,” Phys. Rev. Lett. 84, 4184–4187 (2000).
[Crossref] [PubMed]

H. O. Moser, B. D. F. Casse, O. Wilhelmi, and B. T. Saw, “Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial,” Phys. Rev. Lett. 94, 063901 (2005).
[Crossref] [PubMed]

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen, “Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations,” Phys. Rev. Lett. 90, 167401 (2003).
[Crossref] [PubMed]

F. J. García-Vidal, H. J. Lezec, T. W. Ebbesen, and L. Martín-Moreno, “Multiple paths to enhance optical transmission through a single subwavelength slit,” Phys. Rev. Lett. 90, 213901 (2003).
[Crossref] [PubMed]

Phys. Solid State (1)

A. V. Klyuchnik, S. Y. Kurganov, and Y. E. Lozovik, “Plasma optics of nanostructures,” Phys. Solid State 45, 1327–1331 (2003).
[Crossref]

Radio Sci. (1)

A. Safaai-Jazi and G. L. Yip, “Classification of hybrid modes in cylindrical dielectric optical waveguides,” Radio Sci. 12, 603–609 (1977).
[Crossref]

Science (1)

H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martin-Moreno, F. J. Garcia-Vidal, and T. W. Ebbesen, “Beaming light from a subwavelength aperture,” Science 297, 820–822 (2002).
[Crossref] [PubMed]

Sov. Phys. Usp. (1)

V. G. Veselago, “The electrodynamics of substances with simultaneously negative values of ε and µ,” Sov. Phys. Usp. 10, 509–514 (1968).
[Crossref]

Other (2)

K. Y. Kim, Guided and Leaky Modes of Circular Open Electromagnetic Waveguides: Dielectric, Plasma, and Metamaterial Columns, Ph.D. Thesis, Kyungpook National University, (2004), http://palgong.knu.ac.kr/~doors/PDFs/PhDThesis.pdf

H. Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings, (Springer-Verlag, 1988).

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Figures (8)

Fig. 1.
Fig. 1. Schematic view of subwavelength DDMTM hole with diameter D=2a in cylindrical coordinate system. The inner and outer regions are the free space (region 1) and DDMTM (region 2), respectively.
Fig. 2.
Fig. 2. Material constants of DDMTM. The DNG and ENG regions are from 4 to 6 GHz and 6 to 10 GHz, respectively.
Fig. 3.
Fig. 3. Allowed SP mode region of DDMTM hole for DNG and SNG cases. (a) DNG with μ r 2 ε r 2 > μ r 1 ε r 1 , (b) DNG with μ r 1 ε r 1 > μ r 2 ε r 2 , and (c) SNG (ENG or MNG).
Fig. 4.
Fig. 4. TE-like modes of DDMTM hole with D=20.0 mm. (a) Dispersion curves and (b) normalized power flux. Corresponding operating wave numbers are also shown.
Fig. 5.
Fig. 5. TE-like modes of DDMTM hole with D=2.0 mm. (a) Dispersion curves and (b) normalized power flux. Insets are enlarged scales. Corresponding operating wave numbers are also shown.
Fig. 6.
Fig. 6. TM-like modes of DDMTM hole with D=20.0 mm. (a) Dispersion curves and (b) normalized power flux. Corresponding operating wave numbers are also shown.
Fig. 7.
Fig. 7. TM-like modes of DDMTM hole with D=2.0 mm. (a) Dispersion curves and (b) normalized power flux. The inset in (b) is an enlarged scale of the normalized power flux for the HE11 mode. At 7.32 GHz (point b), η=0. Points a, b, c, d, e, and f indicate the positions of the plots of the Ponyting vectors S z1 and S z2 in Fig. 8.
Fig. 8.
Fig. 8. Spatial power distributions of Poynting vectors Sz1 and Sz2. Amplitude is an arbitrary unit.

Equations (9)

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ε r 2 ( ω ) = 1 ω p 2 ω 2
μ r 2 ( ω ) = 1 F ω 2 ω 2 ω 0 2
[ ε r 1 k 1 I m ( k 1 a ) I m ( k 1 a ) ε r 2 k 2 K m ( k 2 a ) K m ( k 2 a ) ] [ μ r 1 k 1 I m ( k 1 a ) I m ( k 1 a ) μ r 2 k 2 K m ( k 2 a ) K m ( k 2 a ) ] = [ m β k 0 a ( 1 k 1 2 1 k 2 2 ) ] 2 .
ε r 1 k 1 I 1 ( k 1 a ) I 0 ( k 1 a ) + ε r 2 k 2 K 1 ( k 2 a ) K 0 ( k 2 a ) = 0
μ r 1 k 1 I 1 ( k 1 a ) I 0 ( k 1 a ) + μ r 2 k 2 K 1 ( k 2 a ) K 0 ( k 2 a ) = 0 .
( μ r 2 μ r 1 + ε r 2 ε r 1 ) Q 2 ± { ( μ r 2 μ r 1 + ε r 2 ε r 1 ) Q 2 } 2 + R μ r 1 ε r 1 P = 0
P = 1 k 1 a ( I m 1 ( k 1 a ) I m ( k 1 a ) m k 1 a )
Q = 1 k 2 a ( K m 1 ( k 2 a ) K m ( k 2 a ) + m k 2 a )
R = { m β k 0 a 2 ( 1 k 1 2 1 k 2 2 ) } 2 .

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