Conferences
2020
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36. E. Kokanyan, M. Bazzan, A. Movsisyan, N. Kokanyan, N. Babajanyan, T. Aubert, M. Aillerie
Growth and investigation of structural properties of Ho-doped lithium niobate films
The 31st Annual Workshop 2020, Fundamental Physics of Ferroelectrics and Related Materials 2020, January 2020, Silver Spring, MD, USA
2019
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35. N. Kokanyan, E. Kokanyan, A. Danielyan, M. Aillerie, S. Kostritskii, T. Aubert, N. Babajanyan
Iron-doped Lithium Niobate crystals studied by Raman spectroscopy
7th International Symposium on Optics & its applications (OPTICS-2019), September 2019, Yerevan, Armenia
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34. N. Mkhitaryan, N. Kokanyan, G. Demirkhanyan, E. Kokanyan
LiNbO3:Tm3+ crystal: Material for optical cooling
Laser Physics -LP 2019, September 2019, Ashtarak, Armenia
33. N. Kokanyan, M. Bazzan, L. Vittadello, D. Chapron, E. Kokanyan, M.D. Fontana
Symmetry forbidden Raman lines activated by photorefractivity
Laser Physics -LP 2019, September 2019, Ashtarak, Armenia
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32. M.D. Fontana, N. Kokanyan, Th. Kauffmann
Sub-THz Raman response and critical dynamics in BaTiO3
37th International Symposium on Dynamical Properties of Solids (DyProSo 2019), September 2019, Ferrara, Italy
31. N. Kokanyan, T. Aubert, F. Bartoli, E. Kokanyan, N. Babajanyan, M. Aillerie
ScAlN thin films studied by Raman spectroscopy
Photorefractive Photonics -PR 2019, June 2019, Gerardmer, France
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30. E. Kokanyan, N. Kokanyan, M. Aillerie
Estimation of the thermal expansion coefficient of graphene in the temperature range of 100-700K
Photorefractive Photonics -PR 2019, June 2019, Gerardmer, France
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29. N. Kokanyan, A. Danielyan, M. Aillerie, S. Kostritskii, T. Aubert, N. Babajanyan, E. Kokanyan
Photorefractive properties of lithium niobate crystals studied by Raman spectroscopy
Applied Optics and Photonics - AOP 2019, May 2019, Lisbon, Portugal
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28. N. Kokanyan, T. Kauffmann, M.D. Fontana
Utilisation de la diffusion Raman anti-Stokes et anti-Stokes pour de nouvelles applications
25ème Journées de Groupe Français de Spectroscopie Vibrationnelle (GFSV 2019), May 2019, Lyon, France.
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27. V. Colas, N. Kokanyan, C. Guerin, E. Michiels, T. Aubert
Suivi en temps réel de la fermentation alcoolique par spectroscopie Raman
25ème Journées de Groupe Français de Spectroscopie Vibrationnelle (GFSV 2019), May 2019, Lyon, France.
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2018​
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26. A. Danielyan, N. Kokanyan, S. Kostritskii, M. Aillerie, E. Kokanyan
Composition dependence of the electro-optic properties of iron doped lithium niobate crytsals
Laser Physics 2018, Sept 2018, Ashtarak, Armenia.
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25. N. Kokanyan, N. Babajanyan, A. Movsesyan, M. Fontana, E. Kokanyan
Raman spectroscopy and luminescence of Ho-doped lithium niobate crystals
Laser Physics 2018, Sept 2018, Ashtarak, Armenia.
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24. N. Mkhitaryan, M. Aillerie, N. Kokanyan, J. Zaraket, N. Babajanyan, E. Kokanyan
Electro-optic properties of rare earth ions doped lithium niobate
Laser Physics 2018, Sept 2018, Ashtarak, Armenia.
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23. N. Babajanyan, N. Kokanyan, A. Danielyan, M. Aillerie, T. Aubert, E. Kokanyan
Raman spectrometry caracterization of iron doped different composition lithium niobate crystals
Laser Physics 2018, Sept 2018, Ashtarak, Armenia.
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22. N. Kokanyan, E. Kokanyan, A. Movsesyan, T. Kauffmann, M.D. Fontana
Luminescence of Ho-doped lithium niobate crystals highlighted by Raman Spectroscopy
SPIE Optics + Photonics 2018, Aug 2018, San Diego, CA, USA.
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21. N. Kokanyan, M. Bazzan, E. Kokanyan, D. Chapron, M. D. Fontana
Breaking of Raman selection rules in photorefractive iron doped Lithium Niobate crystals
24ème Journées de Groupe Français de Spectroscopie Vibrationnelle (GFSV 2018), May 2018, Ventron, France.
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2017
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20. T. Aubert, N. Kokanyan, H. Alhousseini, A. Taguett, F. Bartoli, J. Streque, H. M'Jahed, P. Boulet, O. Elmazria
First investigations on stoichiometric lithium niobate as piezoelectric substrate for high-temperature surface acoustic waves applications.
IEEE Sensors 2017, Oct 2017, Glasgow, United Kingdom.
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19. N. Kokanyan, M. Bazzan, D. Chapron, M.D. Fontana
Photorefractive Lithium Niobate crystals: light polarisation rotation highlighted by transmission Raman spectroscopy
Photorefractive Photonics 17, Jul. 2017, Qingdao, China.
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18. M.D. Fontana, T.H. Kauffmann, N. Kokanyan
BaTiO3: Raman spectra, lattice dynamics and phase transitions. International
Workshop “Spectroscopy of Ferroic Materials” In Memory of Professor Yury Yuzyuk, Jun. 2017, Amiens, France.
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17. M.D. Fontana, N. Kokanyan, D. Chapron, P. Bourson
Lithium niobate, a ferroelectric and versatile material for optical applications: structure control and optimization.
BIT’s 3rd Annual World Congress of Smart Materials-2017, Mar 2017, Bangkok, Thailand.
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2016
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16. M. Abarkan, A. Danielyan, N. Kokanyan, M. Aillerie, S. Kostritskii, E. Kokanyan
The clamped and unclamped effective electro-optic coefficients of zirconium-doped congruent lithium niobate crystals.
NAMES'16 - New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France.
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15. N. Kokanyan, D. Chapron, E. Kokanyan, M.D. Fontana
Effect of Zr doping on the structure of Lithium Niobate crystals: Site spectroscopy and Chemometrics.
NAMES'16 - New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France.
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14. A. Danielyan, L. Vittadello, M. Aillerie, E. Kokanyan, N. Kokanyan, M. Bazzan, S. Kostritskii
Physical properties of iron doped LiNbO3 from sub-congruent to quasi-stoechiometric crystals.
NAMES'16 - New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France.
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13. M. Aillerie, E. Kokanyan, A. Movsesyan, A. Danielyan, N. Kokanyan, M. Abarkan, F. Abdi
Recent advances in Electro-optic and their link with the photorefractive properties of doped congruent lithium-niobate crystals.
NAMES'16 - New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France.
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2015
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12. M.D. Fontana, N. Kokanyan, D. Chapron, P. Bourson
Lithium niobate, a versatile material for many applications in optoelectronics: recent developments.
International Meeting on Materials for Electronic Applications: IMMEA-2015, Sep 2015, Marrakech, Morocco.
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11. M.D. Fontana, N. Kokanyan, D. Chapron, P. Bourson
Investigation by Raman micro-probe of local structural changes in various LiNbO3 devices.
International Conference on Advances in Functional Materials, Jun 2015, Stony Brook (NY), United States.
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2014
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10. M.D. Fontana, N. Kokanyan, D. Chapron, A. Zaltron, N. Argiolas, M. Bazzan
Photorefractive properties probed by Raman spectroscopy in ferroelectric materials.
ECAPD 2014, Jul 2014, Vilnius, Lithuania.
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2013
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9. M. Bazzan, N. Kokanyan, A. Zaltron, N. Argiolas, D. Chapron, L. Guilbert, M.D. Fontana
Temperature dependence of photorefractive phenomena in lithium niobate and its polaron-based interpretation.
International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany.
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8. N. Kokanyan, D. Chapron, M.D. Fontana
Temperature dependence and anharmonic behaviour of optical phonons in LiNbO3.
International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany. (invited)
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7. M. Bazzan, N. Kokanyan, A. Zaltron, N. Argiolas, D. Chapron, M.D. Fontana
Time - dependent shift of the Raman frequencies induced by photorefractive effect in Fe - doped Lithium Niobate.
14th International Conference on Photorefractive Effects, Materials and Devices, Sep 2013, Winchester, United Kingdom.
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6. N. Kokanyan, D. Chapron, M.D. Fontana.
Thermal behavior of optical phonons in Lithium Niobate.
13th International Meeting on Ferroelectricity, Sep 2013, Cracovie, Poland.
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5. N. Kokanyan, M.D. Fontana, D. Chapron, M. Bazzan
Time-Dependent shift of the Raman frequency induced by photorefractive effect of Fe-doped Lithium Niobate.
Journées Nationales sur les cristaux Optiques (JNCO), Jun 2013, Cherbourg, France.
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2012
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4. M.D. Fontana, N. Kokanyan, D. Chapron, M. Bazzan, E. Kokanyan.
Site Raman spectroscopy of dopant ions in LiNbO3.
ICDIM 2012, Jun 2012, Santa Fe, United States.
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3. E. Kokanyan, M.D. Fontana, M. Aillerie, Ninel Kokanyan.
Growth and properties of Zr-doped periodically poled lithium niobate crystals.
ICDIM 2012, International conference on defects and insulating materials, Jun 2012, Santa Fe, United States.
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2007
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2. N. Kokanyan, E. Kokanyan, V. Degiorgio, P. Minzioni, I. Cristiani
Photorefractive effect in doped lithium niobate cryststals: Dependence on the light intensity.
Laser Physics - 2007, Sept. 2007, Ashtarak, Armenia.
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2006
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1. N. Kokanyan, E. Kokanyan, V. Degiorgio, I. Cristiani, Zh. Akopyan,
Growth and properties of hafnium doped single-domain and periodically poled lithium niobate crystals.
Laser Physics - 2006, Sept. 2006, Ashtarak, Armenia.
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