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For the past few years, the following main results have been obtained:
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- The physical mechanism responsible for self-injection locking of semiconductor laser frequency through a high-Q ring fiber resonator is explained theoretically. Narrowing of the DFB laser linewidth down to sub-kilohertz range has been experimentally demonstrated.[Korobko, D.A. et al., Optics Communications 405, 253 (2017); Spirin, V.V. et al. Opt. Express 28, 478 (2020)]
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-We have experimentally demonstrated a phase-OTDR acoustic sensor comprising a simple self-stabilized DFB laser employed as an optical master oscillator. Direct comparison of the proposed sensor setup with a commercially available sensor has confirmed their similar performance characteristics for distributed measurements with a sensitive fiber not longer than ~10 km.[Bueno Escobedo, J. L. et al.,Results in Physics 7, 641-643 (2017)].
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We have proposed a method enabling stabilization of the harmonic mode-locking operation of the ring fiber laser achieved through the implementation of acousto-optic frequency shift [Gumenyuk, R. V. et al., Optics Letters 45, 184-187 (2020)]. The laser configuration generating soliton pulses in the telecommunications range (~ 1550 nm) with a pulse repetition rate of more than 10 GHz and a supermode noise suppression level of about 30 dB is experimentally demonstrated [Korobko, D. A. et al, Optics & Laser Technology, 133, 106526 (2021)]. We have experimentally demonstrated a high-power amplifier built from a tapered Yb-doped fiber, as well [Gumenyuk, R. et al., Optics Express 26, 6581-6592 (2018)].
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We have performed biomedical studies to explore the effect of low-intensity laser radiation on cancer cells. A new explanation of the oxidative stress and disruption of the mitochondria functionality caused by laser irradiation has been proposed [Khokhlova, A. et al., IEEE Journal of Selected Topics in Quantum Electronics 25, 1-10 (2019)].
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We have proposed a method enabling amplification of surface plasmon-polariton waves in IR spectrum range through pumping by a drift current under conditions of phase matching [Kadochkin A.S. et al., Optics Express 25, 27165-27171 (2017)].
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We have proposed and investigated the models describing mode-locked operation of the ring fiber laser comprising an interferometer intracavity [Korobko, D. A. et al., Optics Express 25, 21180-21190 (2017)].
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We have demonstrated for the first time an experimental configuration of a pulsed Tm-Ho fiber laser tunable over the 1700-1800 nm range.[Noronen, T. et al., Optics Express, 24(13), 14703-14708(2016)]
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We have experimentally demonstrated the configuration of a Brillouin laser based on an Er-doped fiber with an array of Bragg gratings enabling generation of a narrow (<300 Hz) laser linewidth.[Popov, S. M. et al., Results in Physics, 9, 806-808 (2018).]
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We have developed a theoretical model describing loss compensation, amplification and generation of surface plasmons in single-walled carbon nanotubes.[Kadochkin, A. S.et al., Optics Express, 25(22), 27165-27171(2017)]
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We have theoretically described Brillouin lasing in microcavities under condition of a mismatch between the Brillouin shift and the intermode spacing. It has been explored that despite an increase of the lasing threshold, a significant increase of the lasing intensity could be achieved in comparison with the case of resonant interaction.[Korobko D. A. et al, (2020). Optics Express, 28 (4), 4962-4972.]
Implemented results of research:
We expect achieving new scientific results related to:
- Development of of fiber laser systems for generation of high-enegy pulses (over 1 mkJ) for applications in telecommunication technologies (for instance, in atmospheric optical communication lines), avionics systems, medicine, micro- and nanoelectronics (high precision processing and surface properties modification).Further R&D efforts in this direction will be aimed also at designing compact laser elementary particle accelerators and nuclear reaction control systems.
- Development of high-stability laser sources with super-narrow generation lines for usage in fiber systems for distributed monitoring of various parameters (temperature, deformation, radiation level etc.), microwave photonics systems and others. Implementation of such systems is currently obstructed by their high cost. Development of the key element – the narrow-band source based on nonlinear optics solutions without using expensive stabilization blocks – will significantly improve the prospects of wide implementation of such systems.
- Development (in collaboration with researcher from the Institute of General Physics of the Russian Academy of Sciences and the Institute of Nanotechnologies and Microelectronics of the Russian Academy of Sciences) of fiber laser complexes providing super-high spectral density of laser radiation. On the basis of such complexes it is possible to create original technologies for isotope separation. As a consequence, results of our work can find their applications in production of isotopes by JSC «SSC RIAR» in case of implementation of the laser method of isotope division. Estimates show that implementation of this method into manufacturing will allow to not only increase economic efficiency of manufacturing but also to increase the product range. Production of a wide rage of nucleotides gains especially high importance in the context of development of the Federal Center for Radioactive Medicine in the region. By 2020 we will develop a model of a fiber laser source with spectral density of radiation that is by 4-5 orders of magnitude higher than that of standard middle-power laser source.
- Development of terahertz radiation generators with laser pumping with efficiency factor higher than 10 per cent. By 2020 we should achieve advancements that will allow us to create a model of a compact continuous source off THz radiation with power higher than 10 W. THz radiation generation has a wide range of applications as a non-destructive control tool in medicine, defectoscopy, anti-terrorism protection etc. Here results of research conducted by the Laboratory in excitation of plasmonic waves by powerful laser pulses will find their reflection. Further research will be conducted in tight cooperation with leading Russian research centers – the Institute of Nanotechnologies and Microelectronics of the Russian Academy of Sciences where on the basis of the most advanced technological base we will produce necessary thin-film structures and materials for carbon photonics – graphene films and arrays of carbon nanotubes.
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The main practical aim of the research is to design the compact, low-cost optical generators possessing unique consumer characteristics important for many practical applications. The laser sources developed in the project should be considered in the context of a global challenge to form a component basis of domestic microwave photonics. In addition, new laser sources are of great demand for optical communication, distributed sensing, optical gyroscopes and so on.
Education and career development:
For the last 5 years, 7 PhD and 1 doctoral thesis have been defended by the team members:
- 16.12.2016, Zlodeev I.V. “Optical properties of a composite structure based on a double-clad fiber”
- 16.12.2016, Abramov A.S. “Interference and waveguide effects in layered structures based on active media”
- 8.12.2017, Shchukarev I.A. “Optical waves in a composite layer with a quasi-zero refractive index ”
- 8.12.2017, Panyaev I.S. “Waveguide properties of hybrid structures based on nanocomposite media in the near and mid IR ranges”
- 18.10.2019, Stoliarov D.A. “Generation of broadband radiation and ultrashort laser pulses in optical fibers with the properties nonuniform along the fiber length”
- 18.10.2019, Lapin V.A.“ Modulation instability and generation of ultrashort optical pulses in optical fibers with the properties nonuniform along the fiber length ”
- 07.10.2019, Filatova S.A. “ 2-micron fiber lasers for medical applications ”.
- 18.09.2020, Eliseeva S.V. «Resonant, polarization and dynamic effects in active photonic-crystal and magnetic dipole structures » (Doctor of Science.).
More than 10 academic fellowships in the leading research centers of Europe and Russian Federation have been organized for the staff:
- Stoliarov D.A., 20.02.2014 - 01.10.2014, 09.02.2015-25.02.2015, 17.10.2017-15.11.2017, ORC, Tampere University of Technology (Finland), 01.11.2020-01.06.2021, Aston University (UK).
- Dadoenkova N.N., 26.09.2015-28.10.2015, Laboratoire des Sciences et Techniques de l'information de la Communication et de la Connaissance (Lab-STICC), Brest (France); 15.07.2016-19.08.2016, Poznan University of Technology (Poland), 07.10.2018-07.11.2019, Adam Mickiewicz University, Poznan (Poland)
- Dadoenkova Yu.S., 22.05.2015 22.06.2015, Laboratoire des Sciences et Techniques de l'information de la Communication et de la Connaissance (Lab-STICC), Brest (France); 23.08.2016-30.09.2016, 22.05.2017-17.06.2017, 30.09.2017-30.10.2017, 20.05.2018-20.06.2018, 16.08.2019-30.09.2019, 01.12.2018-19.01.2019, École Nationale d'Ingénieurs de Brest, Brest (France); 08.02.2017 - 08.03.2017, 15.07.2017-15.08.2017 Adam Mickiewicz University, Poznan (Poland)
- Moiseev S.G., 25.05.2018 -25.06.2018, International Center of Future Science, Jilin University, Jilin (China)
- Glukhov I.A., 2019-2021, Ecole Nationale d’Ingenieurs de Brest, Brest France).
- Ostatochnikov V.A., Yavtushenko I.O., Zlodeev I.V., Lapin V.A., 10.09.2015-10.10.2015, FORC RAS, Moscow
- Kadochkin A.S., 09.10.2017-13.10.2017, ITMO University, Saint-Petersburg
The following new curricula have been implemented at USU:
- "Fiber Lasers" A.S. Kurkov, Advanced course for the Laboratory of Quantum Electronics and Optoelectronics staff. September 26, 2014.
- "English for Physicists", Borisova Ch.V.03.03.03. Radiophysics, 03.03.02 Physics, 03.04.02 Physics (Master's degree). Faculty of Engineering and Physics of High Technologies.
- “Optics of nanostructures” Moiseev S.G., Zolotovskii I.O. 03.03.03. Radiophysics (bachelor's degree), 03.04.02 Physics (Master's degree). Faculty of Engineering and Physics of High Technologies.
- Fundamentals of Nonlinear Optics A.A. Fotiadi, I.O. Zolotovskii Postgraduate program 06.03.01 ). Faculty of Engineering and Physics of High Technologies.
- Course for students of the Faculty of Engineering and Physics of High Technologies.
- "Nonlinear laser fiber optics" Morozova E.V.
Organizational and structural changes: The Laboratory's equipment is partially include into the structure of the collective usage center of the Ulyanovsk State University – the Research Institute of Nuclear Reactors. Apart from that, the Laboratory's employees were creators and leading specialists at engineering centers created on the grounds of the Ulyanovsk State University - «ProfiLaser» and the Center for Youth Innovative Creativeness «Incarnation». Within activities of these centers equipment of the Laboratory is actively used.
Other results: The Laboratory's equipment is actively used in research of the Medico-biological Center of the Ulyanovsk State University.
Collaborations:
The laboratory collaborates with the leading research centers in Europe (~ 50 joint publications for the last 5 years):
- Imperial College, London, UK (Prof. Roy Taylor, fiber lasers)
- ASTON University, Birmingham, UK (Profs. Sergey Turitsyn, Edik Rafailov, Sergey Sergeyev, random lasers, bio-photonics, mode-locked fiber lasers)
- University of Mons, Mons, Belgium (Prof. Patrice Mégret, telecom, fiber sensors)
- Vrije Universiteit Brussel, Brussels, Belgium (Prof. Krassimir Panajotov, laser dynamics)
- Tampere University, Tampere, Finland (Prof. Regina Gumenyuk, soliton lasers and high-power fiber lasers)
- CICESE, Ensenada, Mexico (Prof. Vasily Spirin, narrow-band fiber lasers)
- École Nationale d'Ingénieurs de Brest (Prof. F.F.L. Bentivegna, plasmonic devices)
- Roorkee Institute of technology, India (Prof. V. Rastogi, fiber tapers and amplifiers)
Besides, the laboratory collaborates with the leading Russian institutions:
- Fiber Optics Research Center (FORC), General Physics Institute of the RAS (Moscow).
- Institute of Radio Engineering and Electronics (IRE) of the RAS (Moscow)
- Institute of Automation and Electrometry (IAE) of the RAS (Novosibirsk)
- Institute of Nanotechnology of Microelectronics (INME) of the RAS (Moscow)
- Scientific-Manufacturing Complex "Technological Centre» (Zelenograd)
