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  • 2020
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Author

  • Constantinos Valagiannopoulos
2020

New Self-Organization Route to Tunable Narrowband Optical Filters and Polarizers Demonstrated with ZnO–ZnWO4 Eutectic Composite

Osewski, P., Belardini, A., Centini, M., Valagiannopoulos, C., Leahu, G., Li Voti, R., Tomczyk, M., Alù, A., Pawlak, D. A. & Sibilia, C., Jan 1 2020, (Accepted/In press) In : Advanced Optical Materials. 8, 7, 1901617.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2019

Basins of attraction in asymmetric photonic couplers

Valagiannopoulos, C., Zhiyenbayev, Y., Kominis, Y. & Kovanis, V., Sep 2019, Proceedings of the 2019 21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019. Institute of Electrical and Electronics Engineers Inc., p. 338-341 4 p. 8879312. (Proceedings of the 2019 21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Classical and quantum dispersion-free coherent propagation by tailoring multimodal coupling

Mandilara, A., Valagiannopoulos, C. & Akulin, V. M., Feb 25 2019, In : Physical Review A. 99, 2, 023849.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Core-shell nanospheres under visible light: Optimal absorption, scattering, and cloaking

Sheverdin, A. & Valagiannopoulos, C., Feb 19 2019, In : Physical Review B. 99, 7, 075305.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Enhanced stability, bistability, and exceptional points in saturable active photonic couplers

Zhiyenbayev, Y., Kominis, Y., Valagiannopoulos, C., Kovanis, V. & Bountis, A., Oct 23 2019, In : Physical Review A. 100, 4, 043834.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Excitation of guided waves on a lossless dielectric slab by an E-polarized complex source point beam

Tsitsas, N. L., Valagiannopoulos, C. & Nosich, A. I., Aug 1 2019, In : IEEE Transactions on Antennas and Propagation. 67, 8, p. 5532-5543 12 p., 8705661.

Research output: Contribution to journalArticle

Limits for Absorption and Scattering by Core-Shell Nanowires in the Visible Spectrum

Abrashuly, A. & Valagiannopoulos, C., Jan 1 2019, In : Physical Review Applied. 11, 1, 014051.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Maximal quantum scattering by homogeneous spherical inclusions

Valagiannopoulos, C., Jul 18 2019, In : Physical Review B. 100, 3, 035308.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Metasurface-enabled interference mitigation in visible light communication architectures

Valagiannopoulos, C., Tsiftsis, T. A. & Kovanis, V., Oct 23 2019, In : Journal of Optics (United Kingdom). 21, 11, 115702.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Quantum Fabry-Perot Resonator: Extreme Angular Selectivity in Matter-Wave Tunneling

Valagiannopoulos, C., Nov 18 2019, In : Physical Review Applied. 12, 5, 054042.

Research output: Contribution to journalArticle

Revisiting beamforming under the prism of inverse methods

Valagiannopoulos, C. & Kovanis, V., Jan 1 2019, Physics and Simulation of Optoelectronic Devices XXVII. Osinski, M., Witzigmann, B. & Arakawa, Y. (eds.). SPIE, 109120Q. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10912).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Robust polarization twist by pairs of multilayers with tilted optical axes

Sarsen, A. & Valagiannopoulos, C., Mar 6 2019, In : Physical Review B. 99, 11, 115304.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2018

Achieving Anomalous Refraction with Metasurfaces Composed by Two Ordinary Dielectric Materials

Tsitsas, N. L. & Valagiannopoulos, C. A., Nov 13 2018, 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018. Institute of Electrical and Electronics Engineers Inc., p. 395-397 3 p. 8534170. (2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aharonov-Bohm-inspired tomographic imaging via compressive sensing

Valagiannopoulos, C., Marengo, E. A., Dimakis, A. G. & Alù, A., Oct 3 2018, In : IET Microwaves, Antennas and Propagation. 12, 12, p. 1890-1894 5 p.

Research output: Contribution to journalArticle

Engineering the emission of laser arrays to nullify the jamming from passive obstacles

Valagiannopoulos, C. & Kovanis, V., Aug 1 2018, In : Photonics Research. 6, 8, p. A43-A50

Research output: Contribution to journalArticle

3 Citations (Scopus)

Highly selective transmission and absorption from metasurfaces of periodically corrugated cylindrical particles

Tagay, Z. & Valagiannopoulos, C., Sep 25 2018, In : Physical Review B. 98, 11, 115306.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Lateral radiative forces exerted by evanescent fields along a hyperbolic metamaterial slab

Nefedov, I. S., Valagiannopoulos, C. A. & Shalin, A. S., Jan 1 2018, In : Journal of Physics: Conference Series. 1092, 012096.

Research output: Contribution to journalConference article

Nonlinear waves in hyperbolic metamaterials: Focus on solitons and rogues

Boardman, A. D., Grimalsky, V. V., Guo, T., Kibler, B., McNiff, J., Nefedov, I., Rapoport, Y., Argyropoulos, C. & Valagiannopoulos, C., Jan 1 2018, Metamaterials XI. Zayats, A. V., Boardman, A. D. & MacDonald, K. F. (eds.). SPIE, Vol. 10671. 106710L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10671).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

On self-oscillating wireless power transfer

Tretyakov, S., Valagiannopoulos, C., Ra'Di, Y. & Simovski, C., Jan 2 2018, 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-November. p. 1-3 3 p. (2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017; vol. 2017-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

On-Site Wireless Power Generation

Ra'di, Y., Chowkwale, B., Valagiannopoulos, C. A., Liu, F., Alu, A., Simovski, C. R. & Tretyakov, S. A., May 11 2018, (Accepted/In press) In : IEEE Transactions on Antennas and Propagation.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Optimized Operation of Photonic Devices with Use of Ordinary Bulk Materials

Valagiannopoulos, C., Nov 13 2018, 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018. Institute of Electrical and Electronics Engineers Inc., p. 495-497 3 p. 8534066. (2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2 Citations (Scopus)

Zeeman gyrotropic scatterers: Resonance splitting, anomalous scattering, and embedded eigenstates

Valagiannopoulos, C., Gangaraj, S. A. H. & Monticone, F., Oct 25 2018, In : Nanomaterials and Nanotechnology. 8

Research output: Contribution to journalArticle

2017
14 Citations (Scopus)

Breaking the black-body limit with resonant surfaces

Valagiannopoulos, C. A., Simovski, C. R. & Tretyakov, S. A., Jan 1 2017, In : EPJ Applied Metamaterials. 4, 5.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Judicious distribution of laser emitters to shape the desired far-field patterns

Valagiannopoulos, C. A. & Kovanis, V., Jun 6 2017, In : Physical Review A. 95, 6, 063806.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Magnified imaging based on non-Hermitian nonlocal cylindrical metasurfaces

Savoia, S., Valagiannopoulos, C. A., Monticone, F., Castaldi, G., Galdi, V. & Alù, A., Mar 8 2017, In : Physical Review B - Condensed Matter and Materials Physics. 95, 11, 115114.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Manipulating polarized light with a planar slab of black phosphorus

Valagiannopoulos, C. A., Mattheakis, M., Shirodkar, S. N. & Kaxiras, E., Nov 2017, In : Journal of Physics Communications. 1, 4, 045003.

Research output: Contribution to journalArticle

Open Access
11 Citations (Scopus)

Mitigating Snell's-Law reflection and transmission with metasurfaces of ordinary dielectrics

Tsitsas, N. L. & Valagiannopoulos, C. A., Oct 11 2017, Proceedings of the 2017 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017. Institute of Electrical and Electronics Engineers Inc., p. 1160-1163 4 p. 8065474

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Waves in hyperbolic and double negative metamaterials including rogues and solitons

Boardman, A. D., Alberucci, A., Assanto, G., Grimalsky, V. V., Kibler, B., McNiff, J., Nefedov, I. S., Rapoport, Y. G. & Valagiannopoulos, C. A., Oct 9 2017, In : Nanotechnology. 28, 44, 444001.

Research output: Contribution to journalReview article

17 Citations (Scopus)

Wide-angle absorption of visible light from simple bilayers

Papadimopoulos, A. N., Kantartzis, N. V., Tsitsas, N. L. & Valagiannopoulos, C. A., Dec 10 2017, In : Applied Optics. 56, 35, 1 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2016

Analytical investigations of ground modifications assisting the detection of a buried object

Valagiannopoulos, C. A., Tsitsas, N. L. & Sihvola, A. H., Sep 19 2016, 2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016. Institute of Electrical and Electronics Engineers Inc., p. 783-786 4 p. 7571519

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Conjugately-matched uniaxial metamaterials make extremely efficient absorbers, emitters, and reflectors

Valagiannopoulos, C. A., Simovski, C. R. & Tretyakov, S. A., Nov 16 2016, 2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2016. Institute of Electrical and Electronics Engineers Inc., p. 379-381 3 p. 7746406. (2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Consistent Integral Equation Modeling of Cloaking Planar Microstrip Antennas

Papadimopoulos, A. N., Tsitsas, N. L., Valagiannopoulos, C. A., Kantartzis, N. V., Antonopoulos, C. S. & Tsiboukis, T. D., Mar 1 2016, In : IEEE Transactions on Magnetics. 52, 3, 7203706.

Research output: Contribution to journalArticle

Epsilon-near-zero behavior from plasmonic Dirac point: Theory and realization using two-dimensional materials

Mattheakis, M., Valagiannopoulos, C. A. & Kaxiras, E., 2016, In : Physical Review B. 94, 20, 201404.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Guessing the texture of magnetic samples assisted by Aharonov-Bohm effect

Valagiannopoulos, C. A., Alù, A., Dimakis, A. & Marengo, E. A., May 31 2016, 2016 10th European Conference on Antennas and Propagation, EuCAP 2016. Institute of Electrical and Electronics Engineers Inc., 7481443

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Optical PT-Symmetric Counterparts of Ordinary Metals

Valagiannopoulos, C. A., Sep 1 2016, In : IEEE Journal on Selected Topics in Quantum Electronics. 22, 5, 7366541.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Parity-time Symmetric nonlocal metasurfaces: All-angle negative refraction and volumetric imaging

Monticone, F., Valagiannopoulos, C. A. & Alù, A., 2016, In : Physical Review X. 6, 4, 041018.

Research output: Contribution to journalArticle

55 Citations (Scopus)

PT-symmetric planar devices for field transformation and imaging

Valagiannopoulos, C. A., Monticone, F. & Alù, A., Apr 1 2016, In : Journal of Optics (United Kingdom). 18, 4, 044028.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Radiation-enhancing reflector

Valagiannopoulos, C. A. & Tretyakov, S. A., May 31 2016, 2016 10th European Conference on Antennas and Propagation, EuCAP 2016. Institute of Electrical and Electronics Engineers Inc., 7481933

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Theoretical concepts of unlimited-power reflectors, absorbers, and emitters with conjugately matched layers

Valagiannopoulos, C. A. & Tretyakov, S. A., Sep 12 2016, In : Physical Review B. 94, 12, 125117.

Research output: Contribution to journalArticle

7 Citations (Scopus)

'Unlocking' the Ground: Increasing the Detectability of Buried Objects by Depositing Passive Superstrates

Valagiannopoulos, C. A., Tsitsas, N. L. & Sihvola, A. H., Jun 2016, In : IEEE Transactions on Geoscience and Remote Sensing. 54, 6, p. 3697-3706 10 p., 7435296.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2015

Aberration-free planar focusing based on parity-time symmetric nonlocal metamaterials

Monticone, F., Alu, A. & Valagiannopoulos, C. A., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 252-253 2 p. 7304512. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aharonov-Bohm detection of two-dimensional magnetostatic cloaks

Valagiannopoulos, C. A., Askarpour, A. N. & Alù, A., Dec 10 2015, In : Physical Review B - Condensed Matter and Materials Physics. 92, 22, 224106.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Amplifying the response of a buried object by depositing a passive layer on the ground

Valagiannopoulos, C. A., Tsitsas, N. L. & Sihvola, A. H., Sep 2 2015, 2015 Computational Electromagnetics International Workshop, CEM 2015. Institute of Electrical and Electronics Engineers Inc., p. 28-29 2 p. 7237424. (2015 Computational Electromagnetics International Workshop, CEM 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Blacker than ideally black: Double negative conjugately matched cylinders

Vehmas, J., Valagiannopoulos, C., Tretyakov, S. & Maslovski, S., Nov 30 2015, 2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2015. Institute of Electrical and Electronics Engineers Inc., p. 511-513 3 p. 7342506

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cloaking a bump inside a single isotropic lossless dielectric

Valagiannopoulos, C. A., Tsitsas, N. L. & Sihvola, A. H., Aug 27 2015, 2015 9th European Conference on Antennas and Propagation, EuCAP 2015. Institute of Electrical and Electronics Engineers Inc., 7228455. (2015 9th European Conference on Antennas and Propagation, EuCAP 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution