R. F. Oulton, V. J. Sorger, T. Zentgraf, R. Ma, C. Gladden et al., Plasmon lasers at deep subwavelength scale, Nature, vol.12, issue.7264, pp.629-632, 2009.
DOI : 10.1038/nature08364
URL : http://spiral.imperial.ac.uk/bitstream/10044/1/19116/2/Nature_461_2009.pdf

M. A. Noginov, G. Zhul, A. M. Belgrave, R. Bakker, V. M. Shalaev et al., Demonstration of a spaser-based nanolaser, Nature, vol.6, issue.7259, pp.1110-1112, 2009.
DOI : 10.1038/nature08318

R. F. Oulton, V. J. Sorger, D. A. Genov, D. F. Pile, and X. Zhang, A hybrid plasmonic waveguide for subwavelength confinement and long-range propagation, Nature Photonics, vol.15, issue.8, pp.496-500, 2008.
DOI : 10.1038/nphoton.2008.131

J. A. Dionne, L. A. Sweatlock, M. T. Sheldon, A. P. Alivisatos, and H. A. Atwater, Silicon-Based Plasmonics for On-Chip Photonics, IEEE Journal of Selected Topics in Quantum Electronics, vol.16, issue.1, pp.295-306, 2010.
DOI : 10.1109/JSTQE.2009.2034983

H. Benisty and M. Besbes, Plasmonic inverse rib waveguiding for tight confinement and smooth interface definition, Journal of Applied Physics, vol.108, issue.6, p.63108, 2010.
DOI : 10.1063/1.3478746
URL : https://hal.archives-ouvertes.fr/hal-00546215

D. X. Dai and S. L. He, A silicon-based hybrid plasmonic waveguide with a metal cap for a nano-scale light confinement, Optics Express, vol.17, issue.19, pp.16646-16653, 2009.
DOI : 10.1364/OE.17.016646

M. Fujii, J. Leuthold, and W. Freude, Dispersion Relation and Loss of Subwavelength Confined Mode of Metal-Dielectric-Gap Optical Waveguides, IEEE Photonics Technology Letters, vol.21, issue.6, pp.362-364, 2009.
DOI : 10.1109/LPT.2008.2011995

X. Y. Zhang, A. Hu, J. Z. Wen, T. Zhang, X. J. Xue et al., Numerical Analysis of Deep sub-wavelength integrated plasmonic devices based on Semiconductor-Insulator-Metal strip waveguides, Optics Express, vol.18, issue.18, pp.18945-18959, 2010.
DOI : 10.1364/OE.18.018945

A. V. Krasavin and A. V. Zayats, Numerical analysis of long-range surface plasmon polariton modes in nanoscale plasmonic waveguides, Optics Letters, vol.35, issue.13, pp.2118-2120, 2010.
DOI : 10.1364/OL.35.002118

J. Ctyroky, V. Kuzmiak, and S. Eyderman, Waveguide structures with antisymmetric gain/loss profile, Optics Express, vol.18, issue.21, pp.21585-21593, 2010.
DOI : 10.1364/OE.18.021585

M. Kulishov, J. M. Laniel, N. Bélanger, and D. V. Plant, Trapping light in a ring resonator using a grating-assisted coupler with asymmetric transmission, Optics Express, vol.13, issue.9, pp.3567-3578, 2005.
DOI : 10.1364/OPEX.13.003567

S. Klaiman and L. S. Cederbaum, Non-Hermitian Hamiltonians with space-time symmetry, Physical Review A, vol.78, issue.6, p.62113, 2008.
DOI : 10.1103/PhysRevA.78.062113

S. Klainman, U. Günther, and N. Moiseyev, -Symmetric Waveguides, Physical Review Letters, vol.101, issue.8, p.80402, 2008.
DOI : 10.1103/PhysRevLett.101.080402

K. G. Makris, R. El-gaininy, D. N. Christodoulides, and Z. H. Musslimani, Complex beam dynamics in PT-symmetric optical lattices, 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC, p.103904, 2008.
DOI : 10.1109/CLEOE-IQEC.2013.6801815

O. Bendix, R. Fleischmann, T. Kottos, and B. Shapior, Symmetry in Lattices with Localized Eigenmodes, Physical Review Letters, vol.103, issue.3, p.30402, 2009.
DOI : 10.1103/PhysRevLett.103.030402

J. J. Chen, Z. Li, S. Yue, and Q. H. Gong, Hybrid long-range surface plasmon-polariton modes with tight field confinement guided by asymmetrical waveguides, Optics Express, vol.17, issue.26, pp.23603-23609, 2009.
DOI : 10.1364/OE.17.023603

A. Guo, G. J. Salamo, R. Duchesne, R. Morandotti, M. Volatier-ravat et al., -Symmetry Breaking in Complex Optical Potentials, Physical Review Letters, vol.103, issue.9, p.93902, 2009.
DOI : 10.1103/PhysRevLett.103.093902
URL : https://hal.archives-ouvertes.fr/hal-00259455

T. Kottos, Optical physics: Broken symmetry makes light work, Nature Physics, vol.104, issue.3, pp.166-167, 2010.
DOI : 10.1103/PhysRevLett.103.093902

C. E. Rüter, K. G. Makris, R. El-gaininy, D. N. Christodoulides, M. Segev et al., Observation of parity???time symmetry in optics, Nature Physics, vol.50, issue.3, pp.192-195, 2010.
DOI : 10.1088/0022-3727/41/10/102001

A. A. Sukhorukov, Z. Xu, and Y. Kivshar, Nonlinear Breaking of PT Symmetry in Coupled Waveguides with Balanced Gain and Loss, Advanced Photonics & Renewable Energy, 2010.
DOI : 10.1364/NP.2010.NTuC19

C. T. West, T. Kottos, and T. Prosen, -Symmetric Wave Chaos, Physical Review Letters, vol.104, issue.5, p.54102, 2010.
DOI : 10.1103/PhysRevLett.104.054102
URL : https://hal.archives-ouvertes.fr/in2p3-00459276

. Lerondel, Implementation of PT symmetric devices using plasmonics: principle and applications, Opt. Express, vol.19, pp.18004-18019, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00683875

A. Degiron, S. Y. Cho, T. Tyler, N. M. Jokerst, and D. R. Smith, Directional coupling between dielectric and long-range plasmon waveguides, New Journal of Physics, vol.11, issue.1, p.15002, 2009.
DOI : 10.1088/1367-2630/11/1/015002
URL : http://doi.org/10.1088/1367-2630/11/1/015002

P. B. Johnson and R. W. Christy, Optical Constants of the Noble Metals, Physical Review B, vol.6, issue.12, pp.4370-4379, 1972.
DOI : 10.1103/PhysRevB.6.4370

J. Jin, The Finite Element Method in Electromagnetics, 2002.

R. F. Oulton, G. Bartal, D. F. Pile, and X. Zhang, Confinement and propagation characteristics of subwavelength plasmonic modes, New Journal of Physics, vol.10, issue.10, p.105018, 2008.
DOI : 10.1088/1367-2630/10/10/105018

R. De-ridder, G. Stoffer, J. Klaasse, P. Petracek, J. P. Lalanne et al., Bragg waveguide grating as a 1D photonic band gap structure: COST 268 modelling task, Opt. Quantum Electron, vol.34, pp.455-470, 2002.

W. Lukosz and R. E. Kunz, Fluorescence lifetime of magnetic and electric dipoles near a dielectric interface, Optics Communications, vol.20, issue.2, pp.195-199, 1977.
DOI : 10.1016/0030-4018(77)90331-5

R. Esteban, T. V. Teperik, and J. J. Greffet, Optical Patch Antennas for Single Photon Emission Using Surface Plasmon Resonances, Physical Review Letters, vol.104, issue.2, p.26802, 2010.
DOI : 10.1103/PhysRevLett.104.026802
URL : https://hal.archives-ouvertes.fr/hal-00574380

G. W. Ford and W. H. Weber, Electromagnetic interactions of molecules with metal surfaces, Physics Reports, vol.113, issue.4, pp.195-287, 1984.
DOI : 10.1016/0370-1573(84)90098-X

Z. Han, A. Y. Elezzabi, and V. Van, Experimental realization of subwavelength plasmonic slot waveguides on a silicon platform, Optics Letters, vol.35, issue.4, pp.502-504, 2010.
DOI : 10.1364/OL.35.000502