*Research Projects*

**Photonic Metamaterials**

Aim:
To develop tunable and
functional photonic metamaterials with unusual properties. Of particular
interest are the development of negative index
materials with high sensitivity to light intensity.

*Skills:* nanofabrication, optical
characterisation and numerical modelling.

*Seeking:* PhD, Master, and Honours students

*References:*

1.
A.
Minovich, D. N. Neshev, D. A. Powell, I. V. Shadrivov, M. Lapine, I. McKerracher, H. T. Hattori, H. H. Tan, C. Jagadish, and Yu. S. Kivshar, “*Tilted response of
fishnet metamaterials at near-infrared optical wavelengths,” *Phys. Rev. B
81, 115109(1–6) (2010).

2.
A.
Minovich, D. N. Neshev, D. A. Powell, I. V. Shadrivov, and Yu. S. Kivshar, “*Tunable**
fishnet metamaterials infiltrated by liquid crystals,” *Appl. Phys. Lett. 96, 193103(1–3) (2010).

3.
A.
Minovich, D. N. Neshev, D. A. Powell, and Y. S.
Kivshar, "Influence of the substrate on negative index fishnet
metamaterials," Opt. Commun. **283**,
4770-4774 (2010).

4.
A.
Minovich, J. Farnell, D. N.
Neshev, I. McKerracher, F. Karouta,
J. Tian, D. A. Powell, I. V. Shadrivov,
H. H. Tan, C. Jagadish, and Y. S. Kivshar,
"Liquid crystal based nonlinear fishnet metamaterials," Appl. Phys. Lett. **100**, 121113 (2012).

5.
W.
Liu, A. E. Miroshnichenko, D. N. Neshev, and Y. S.
Kivshar, "Broadband Unidirectional Scattering by Magneto-Electric
Core–Shell Nanoparticles," ACS Nano **6**, 5489-5497 (2012).

6.
S.
S. Kruk, D. A. Powell, A. Minovich, D. N. Neshev, and
Y. S. Kivshar, "Spatial dispersion of multilayer fishnet
metamaterials," Opt. Express **20**, 15100-15105 (2012).

**Plasmonics**

*Aim:* To
develop novel schemes for manipulation and amplification of plasmonic fields at
the nanoscale, as well as to enhance nonlinear processes due to the plasmonic field
enhancement.

*Seeking:* PhD and Honours students

*References:*

1.
D.
N. Neshev, A. Minovich, T. Dieing,
H. T. Hattori, I. McKerracher, H. Hoe Tan, C. Jagadish, and Yu. S. Kivshar, “*Near-field studies of arrays of
chirped subwavelength apertures,” *Phys. Status Solidi RRL, 1–3 (2010) /
DOI 10.1002/pssr.201004235

2.
W.
Liu, A. A. Sukhorukov, A. E. Miroshnichenko,
C. G. Poulton, Z. Xu, D. N.
Neshev, and Yu. S. Kivshar, “*Complete spectral gap in coupled dielectric
waveguides embedded into metal,” *Appl. Phys. Lett.
97, 021106 (2010).

3.
A.
Minovich, H. T. Hattori, I. McKerracher,
H. H. Tan, **D. N. Neshev**, C. Jagadish, and Yu.
S. Kivshar, “*Enhanced transmission of light through periodic and chirped
lattices of nanoholes,” *Opt. Commun.
**282**, 2023–2027 (2009).

4.
W.
Liu, D. N. Neshev, A. E. Miroshnichenko, I. V. Shadrivov, and Y. S. Kivshar, "Polychromatic nanofocusing of surface plasmon polaritons,"
Phys. Rev. B **83**, 073404 (2011).

5.
W.
Liu, D. N. Neshev, I. V. Shadrivov, A. E. Miroshnichenko, and Y. S. Kivshar, "Plasmonic Airy
beam manipulation in linear optical potentials," Opt. Lett.
**36**, 1164 (2011).

6.
A.
Minovich, A. E. Klein, N. Janunts,
T. Pertsch, D. N. Neshev, and Y. S. Kivshar, "Generation
and Near-Field Imaging of Airy Surface Plasmons," Phys. Rev. Lett. **107**, 116802 (2011).

7.
A.
E. Klein, A. Minovich, M. Steinert,
N. Janunts, A. Tünnermann,
D. N. Neshev, Y. S. Kivshar, and T. Pertsch,
"Controlling plasmonic hot spots by interfering Airy beams," Opt. Lett. **37**, 3402-3404 (2012).

**Quantum integrated photonics in nonlinear periodic structures**

*Aim:* Study of spatio-temporal effects of light signals in periodic
photonic structures. In particular the study of the
generation of entangled photons in coupled waveguides.

*Seeking:* Honours students

*References:*

1.
*F.
Setzpfandt, D. N. Neshev, R. Schiek,
F. Lederer, A. T¨unnermann,
and T. Pertsch, *“*Competing nonlinearities in quadratic nonlinear
waveguide arrays,” *Opt. Lett. 34, 3589–3591
(2009).

2.
F.
Setzpfandt, A. A. Sukhorukov,
D. N. Neshev, R. Schiek, A. S. Solntsev,
R. Ricken, Y. Min, W. Sohler,
Y. S. Kivshar, and T. Pertsch, "Spectral pulse
transformations and phase transitions in quadratic nonlinear waveguide
arrays," Optics Express **19**, 23188-23201 (2011).

3.
F.
H. Bennet, T. J. Alexander, F. Haslinger, A.
Mitchell, D. N. Neshev, and Y. S. Kivshar, "Observation of Nonlinear
Self-Trapping of Broad Beams in Defocusing Waveguide Arrays," Physical
Review Letters **106**, 093901 (2011).

4.
A.
S. Solntsev, A. A. Sukhorukov,
D. N. Neshev, and Y. S. Kivshar, "Spontaneous Parametric Down-Conversion
and Quantum Walks in Arrays of Quadratic Nonlinear Waveguides," Physical
Review Letters **108**, 023601 (2012).