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Subwavelength imaging in photonic crystals
Abstract
We investigate the transmission of evanescent waves through a slab of photonic crystal and explore the recently suggested possibility of focusing light with subwavelength resolution. The amplification of near-field waves is shown to rely on resonant coupling mechanisms to surface photon bound states, and the negative refractive index is only one way of realizing this effect. It is found that the periodicity of the photonic crystal imposes an upper cutoff to the transverse wave vector of evanescent waves that can be amplified, and thus a photonic-crystal superlens is free of divergences even in the lossless case. A detailed numerical study of the optical image of such a superlens in two dimensions reveals a subtle and very important interplay between propagating waves and evanescent waves on the final image formation. Particular features that arise due to the presence of near-field light are discussed.
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Citations
Cites
Negative Refraction Makes a Perfect Lens
Pendry, J. B. (2000) · Physical Review Letters · doi:10.1103/physrevlett.85.3966 · Cited by 12,159
Self-citation
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Engheta, N., & Ziolkowski, R. W. (2005) · IEEE Transactions on Microwave Theory and Techniques · doi:10.1109/tmtt.2005.845188 · Cited by 448
Liu, Z., Durant, S., Lee, H., Pikus, Y., Fang, N., Xiong, Y., Sun, C., & Zhang, X. (2007) · Nano Letters · doi:10.1021/nl062635n · Cited by 395
Acoustic metamaterials for sound focusing and confinement
Guenneau, S., Movchan, A., Pétursson, G., & Anantha Ramakrishna, S. (2007) · New Journal of Physics · doi:10.1088/1367-2630/9/11/399 · Cited by 342
Canalization of subwavelength images by electromagnetic crystals
Belov, P. A., Simovski, C. R., & Ikonen, P. (2005) · Physical Review B · doi:10.1103/physrevb.71.193105 · Cited by 316
Subwavelength microwave imaging using an array of parallel conducting wires as a lens
Belov, P. A., Hao, Y., & Sudhakaran, S. (2006) · Physical Review B · doi:10.1103/physrevb.73.033108 · Cited by 257
Metadata
- Authors
- Luo, C., Johnson, S. G., Joannopoulos, J. D., & Pendry, J. B.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2003-07-29
- Volume
- 68
- Issue
- 4
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2081053001
- Cited by
- 449
- References
- 1
- FWCI
- 24.07
- Type
- journal article
- Language
- en
- Open access
- closed
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