Ռադիոֆիզիկայի ֆակուլտետ
Faculty of Radiophysics
The Faculty was established in June 1975 by decision of Armenian Government (USSR era) aiming to meet growing demand in radiophysicist in military, industrial, high technology and R&D sectors of the plan - economy.:
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Hovhannes S. Haroyan

Head of Chair | Chair of Telecommunication and Signal Processing
Education
2003-2006 PhD: Radiophysics Research Institute (RRI). Yerevan, Armenia.
Topic: Development of Offset type Microwave Antenna Collimator and Solar Concentrator.
2001-2003 MSc: Dept. of Microwave Radiophysics and Telecommunications, Yerevan State University, Armenia
Topic: Stochastic resonance in threshold devices.
1997-2001 BSc: Dept. of Microwave Radiophysics and Telecommunications, Yerevan State University, Armenia
Topic: Digital data transmission in limited band channel.

Employment
2018 Sept.-up to now Head of “Telecommunication and Signal Processing” Department.
2012–2018 Aug. Assistant professor, Yerevan State University, Yerevan, Armenia.
2014 jan-2014 nov. scientific consultant at Knightsbridge Wireless Communications.
June. 2013–Sep. 2013 DAAD scholarship “Research Stay”, Friedrich Schiller University, Jena, Germany.
Topic: Tunable Lens for Surface Plasmon Polariton Focusing and Steering .
2012-2014 Engineer in R&D department at Antel Design LLC.
2008-2009 Lecturer at National Polytechnic University of Armenia
2006-2012 Assistant, Yerevan State University, Yerevan, Armenia
2005-2006 Engineer at Radiophysics Research Institute (RRI). Yerevan, Armenia.

Grants
2020- up to now Scientific projects aimed at achieving a practical result- 2020, State Committee of Science of the Republic of Armenia, grant: 20APP-1C009: team leader.
2017-2019 German Federal Ministry of Education and Research (BMBF) and the State Committee of Science of the Republic of Armenia joint grant 16GE-027: team leader.
2013-2015 2014 Young Scientists Research Assistance Program – 2013, grant: 13YR-1C0046: team leader.
2013-2014 2014 Young Scientists Research Assistance Program (NFSAT, YFA, CRDF Global), grant: YSSP-13-09: team leader.
2009-2011 ISTC, grant: A-1544: team member.
2009-2011 NFSAT ECSP-09-42_SASP: team member.

Projects
Time-Frequency Packing for Improved Spectral Efficiency Transmissions: project manager.
Non-Linear Predistortion Techniques for Forward Link of Broadband Satellite Systems: team leader.
Implementation of 4-FSK Demodulation Algorithm and Preamble Synchronization: team member.

Main research interests
Nanophotonics, Plasmonics
Spectral efficiency (SE) improvement in communication systems
RF- and Nano- Antennas

Current research interests
TF packing technique for SE improvement
Optical microresonators
Metamaterials

Teaching
Undergraduate Studies: Fundamentals of digital communications, Basics of mobile communication, Modern Antenna design
Graduate Studies: Satellite communications and navigation systems, Modern Wireless Communication Systems

Trainings
2011-2016 Qualification Improvement Program at YSU

Awards
Diploma for the best article in the journal "Alternative energy and ecology" for the period 2000-2006

Membership
Member of Optical Society of America

Software skills
MatLab, Wolfram Mathematica, LabView, COMSOL Multiphysics

Equipment skills
VNA R&S®ZNB20
Nanonics MV4000 SPM (NSOM)
Neaspec (SNOM/AFM)
Mai Tai fs Laser.

Language skills
Armenian (native), Russian, English

E-mail
hharoyan@ysu.am

H. Haroyan , H. Parsamyan , Kh. Nerkararyan
Broadband microwave absorption based on the configuration resonance of wires
2020 | Article
Applied Physics A, 126 (10), 7, (2020)
H. Haroyan , H. Parsamyan , Kh. Nerkararyan
Light control in a hemicylindrical whispering gallery microcavity-parallel plate waveguide system
2020 | Article
Optics Communications, 2020, Volume 474, 1-5 էջ
S. Sargsyan , H. Haroyan , G. Hovhannisyan
Power Domain Non-orthogonal Multiple Access (PD-NOMA) Technique For 5G Networks
2018 | Article
Armenian Journal of Physics, Volume 11, No 4, pp. 284-287, 2018.
Semicylindrical microresonator: excitation, modal structure, and Q-factor
2018 | Article
Applied optics, 2018, Volume 57, issue 22, 6309-6313 էջ
H. Haroyan , T. Yezekyan, H. Parsamyan, A. Ninoyan
Fano Resonance in Coupled Semicylindrical Microresonators
2018 | Article
Armenian Journal of Physics, 2018, 11(4), 252-256 էջ
H. Haroyan , T. Yezekyan, H.Parsamyan
Plasmonic Nanoparticles Arrangements for Biosensing
2018 | Article
Armenian Journal of Physics, 2018, 11(4), 241-245 էջ
H. Haroyan , Kh. Sahakyan, Kh. Nerkararyan
Waveguide resonator with high quality factor excited through the subwavelength slit
2017 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences) 52(1):32-37, (2017)
Д. А. Осипян, Г. Г. Матевосян, O. С. Ароян
Построение гибридных программных систем PIC-моделирования
2017 | Article
Reports of NAS RA, 2017, 117, 2, 154-161 pp.
H. Matevosyan, K. Sargsyan, H. Haroyan
Stopping power and the straggling parameter of a heavy charged particle moving through a homogeneous free-electron gas
2017 | Article
Armenian Journal of Physics, 2017, 10(4), 128-143 pp.
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М. Е. Вайсман, Н. Е. Андреев, Г. Г. Матевосян, О. С. Ароян
Широкодиапазонная диэлектрическая проницаемость столкновительной плазмы с произвольным зарядом ионов
2017 | Article
Reports of NAS RA, 2017, 117, 3, 222-233 pp.
Whispering-Gallery Microresonator with a New Easy and Controllable Excitation Method
2017 | Article
Նոնոֆիզիկայի արդի խնդիրները: 2017, էջ 60-67
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Waveguide resonator with high quality factor excited through the subwavelength slit
2017 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences). 2017, 52, pp. 45-52
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H. Haroyan , G. Harutyunyan, T. Harutyunyan, S. Sargsyan
Spectral Efficiency Improvement in Nonlinear Wireless Systems
2016 | Thesis
(IRPhE'2016, 3-6 May, 2016)
Slot Nano-Antenna Integrated with Plasmonic Waveguide
2016 | Thesis
(IRPhE'2016, 3-6 May, 2016)
Haroyan H. , Harutyunyan G., Harutyunyan T. , Sargsyan S.
Spectral efficiency improvement in nonlinear wireless systems
2016 | Article
Proceedings of the International Conference on Microwave and THz Technologies, Photonics and Wireless Communications, May 4-6, 2016 Yerevan, Armenia, p. 19-22, 2016
Analytic Description of Various Ring Type Surface Plasmon Microresonators
2016 | Article
Physical Bases of Instrumentation, 2016, 5, pp. 50-63
Detection of CO2 laser radiation in a ferrite
2016 | Article
Journal of Physics Conference Series 672(1):012007, DOI: 10.1088/1742-6596/672/1/012007
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Experimental investigation of “plasmonic black hole” phenomena
2015 | Thesis
Proceedings of the International Conference on “Microwave and THz Technologies and Applications” RPhE’2014, (2-3 October, 2014, Armenia) pp72-76 (2015).
Cylindrical plasmonic microcavity and its excitation
2015 | Thesis
Proc. of SPIE Vol. 9630 963015-(1-7), (Optical System Design, 3-7 September, 2015, Jena, Germany)
High Gain Broadband Plasmonic Slot Nano-Antenna
2015 | Article
International Journal of Electrical, Computer, Electronics and Communication Engineering 9 (5), pp430-433 (2015)
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H. Haroyan , V. Tadevosyan, Kh. Nerkararyan
Cylindrical Plasmonic Microcavity, Excitation Methods
2014 | Thesis
SMR 2633: 2nd International Symposium on Optics and its Applications (1-5 September 2014, Armenia)
H.S. Haroyan , A.H. Makaryan, K.M. Movsisyan, V.R. Tadevosyan
Electromagnetic Wave Detection Via Interaction With Non-Uniform Distributed Space Charge In Vacuum
2012 | Article
Journal of Physics: Conference Series 350, 012010 (2012)
H. Haroyan , A.Vardanyan, A. Babajanyan, Kh. Nerkararyan, B. Friedman
A Surface Plasmon Microcavity Between the Toroidal and Flat Metallic Surfaces
2012 | Article
Plasmonics 7:1-5 (2012)
H. Haroyan , A.Vardanyan, A. Babajanyan, Kh. Nerkararyan, K. Lee, B. Friedman
Ring-type V-groove surface plasmon microresonator: The modal structure and Q-factor
2012 | Article
J. Appl. Phys. 111, 053112 (2012)
Activity of surface plasmon in the ring-like microcavities
2012 | Article
Proc. SPIE 8414, 84140J (2011); doi.org/10.1117/12.92 3467.Online Publication Date: Jan 25, (2012)
H.S. Haroyan , V.R. Tadevosyan, A.H. Makaryan, T.A. Abrahamyan
Composite materials utilization in plasmonic waveguides for strong confinement of terahertz waves
2011 | Thesis
Proceedings of Int. conf. «Optics – 2011», Saint-Petersburg, pp. 582-584 (2011)
H. Haroyan , Yu. Avetisyan, M. Tonouchi
Sub-Wavelength Plasmonic Mode Confinement in Semiconductor-Gap-Dielectric Waveguide in THz range
2011 | Thesis
Tech. Dig. CLEO, CThN7 (2011)
Detection of terahertz waves using a vacuum diode
2010 | Article
Proc. of Int. conf. on THz Waves and its Applications, IRPHE 2010, Ashtarak-Aghveran Armenia, p. 38-41
Terahertz wave confinement in gap plasmon waveguide fabricated by composite material
2010 | Article
Proceedings of Int. conf. on THz Waves and its Applications, IRPHE 2010, Ashtarak-Aghveran Armenia, p.10-14, (2010)