A5005621310- Advanced Fiber Laser Technologies
- Photonic and Optical Devices
- Advanced Fiber Optic Sensors
- Cancer Treatment and Pharmacology
- Laser-Matter Interactions and Applications
- Optical and Acousto-Optic Technologies
- Photorefractive and Nonlinear Optics
- Semiconductor Lasers and Optical Devices
- Mechanical and Optical Resonators
- Photonic Crystal and Fiber Optics
- Advanced Optical Sensing Technologies
- Solid State Laser Technologies
- Photoacoustic and Ultrasonic Imaging
- Thermography and Photoacoustic Techniques
- Advanced Photonic Communication Systems
- Laser Design and Applications
- Regional Economic Development and Innovation
- Digital Economy and Transformation
- Optical Coherence Tomography Applications
- Photonic Crystals and Applications
- Economic and Technological Developments in Russia
- Advanced MEMS and NEMS Technologies
- Arctic and Russian Policy Studies
- Optical Coatings and Gratings
- Spectroscopy and Laser Applications
École Polytechnique Fédérale de Lausanne
2020-2024
Russian Quantum Center
2017-2022
National University of Science and Technology
2020
Moscow Institute of Physics and Technology
2020
Lomonosov Moscow State University
2011-2019
Moscow State University
2014
We present the analysis of self-injection locking a single-frequency laser diode to high-Q whispering gallery mode (WGM) microresonator with Rayleigh backscattering. Simple analytical formulas for width band and resulting linewidth are derived.
Microcombs provide a path to broad-bandwidth integrated frequency combs with low power consumption, which are compatible wafer-scale fabrication. Yet, electrically-driven, photonic chip-based microcombs inhibited by the required high threshold and agility of laser for soliton initiation. Here we demonstrate an electrically-driven microcomb coupling III-V-material-based (indium phosphide) multiple-longitudinal-mode diode chip high-Q silicon nitride microresonator fabricated using Damascene...
Frequency modulated continuous wave laser ranging (FMCW LiDAR) enables distance mapping with simultaneous position and velocity information, is immune to stray light, can achieve long range, operate in the eye-safe region of 1550 nm high sensitivity. Despite its advantages, it compounded by requirement both narrow linewidth low noise lasers that be precisely chirped. While integrated silicon-based lasers, compatible wafer scale manufacturing large volumes at cost, have experienced major...
We present a novel method allowing high-power single-frequency emission with sub-kHz linewidth from compact multi-frequency diode laser locked to high-Q optical microresonator. Using MgF2microresonator and operating at 1535 nm the output power of 100 mW an spectrum consisting approximately 50 lines MHz linewidth, we observed collapse single line or several mW. The Bogatov effect predicted more than 30 years ago was studied in laser. For analysis considered effect, original theoretical model...
Low phase noise lasers based on the combination of III-V semiconductors and silicon photonics are well established in near-infrared spectral regime. Recent advances development low-loss nitride-based photonic integrated resonators have allowed to outperform bulk external diode fiber both frequency agility 1550 nm-telecommunication window. Here, we demonstrate for first time a hybrid laser composed gallium nitride (GaN) chip-based microresonator operating at record low wavelengths as 410 nm...
Abstract Chip-scale integration is a key enabler for the deployment of photonic technologies. Coherent laser ranging or FMCW LiDAR, perception technology that benefits from instantaneous velocity and distance detection, eye-safe operation, long-range, immunity to interference. However, wafer-scale these systems has been challenged by stringent requirements on coherence, frequency agility, necessity optical amplifiers. Here, we demonstrate photonic-electronic LiDAR source composed...
Abstract Soliton microcombs constitute chip-scale optical frequency combs, and have the potential to impact a myriad of applications from synthesis telecommunications astronomy. The demonstration soliton formation via self-injection locking pump laser microresonator has significantly relaxed requirement on external driving lasers. Yet date, nonlinear dynamics this process not been fully understood. Here, we develop an original theoretical model microresonator, i.e., locking, construct...
We developed an original model describing the process of frequency comb generation in self-injection locking regime and performed numerical simulation this process.Generation dissipative Kerr solitons at anomalous group velocity dispersion was studied numerically. Different regimes soliton excitation depending on phase, backscattering parameter pump power were identified. It also proposed confirmed numerically that may provide easy way for combs normal dispersion. Generation platicons...
Recent advancements in ultra-low-loss silicon nitride (Si 3 N 4 )-based photonic integrated circuits have surpassed fiber lasers coherence and frequency agility. However, high manufacturing costs of DFB precise control requirements, as required for self-injection locking, hinder widespread adoption. Reflective semiconductor optical amplifiers (RSOAs) provide a cost-effective alternative solution but not yet achieved similar performance or agility, modulated continuous wave (FMCW) LiDAR,...
We experimentally observe a self-injection locking regime of the gain-switched laser to high-$Q$ optical microresonator. reveal that comb generated by experiences dramatic reduction comb-teeth linewidths in this regime. demonstrate Lorentzian linewidth teeth sub-kHz scale as narrow for nonswitched locked laser. Such setup allows generation high-contrast electrically tunable frequency combs with comb-line spacing wide range from 10 kHz up GHz. The characteristics are studied various...
Dual-comb interferometry is based on self-heterodyning two optical frequency combs, with corresponding mapping of the spectrum into radio-frequency domain. The dual comb enables diverse applications, including metrology, fast high-precision spectroscopy high signal-to-noise ratio, distance ranging, and coherent communications. However, current dual-frequency-comb systems are designed for research applications typically rely scientific equipment bulky mode-locked lasers. Here we demonstrate a...
Erbium-doped fiber lasers exhibit high coherence and low noise as required for applications in optic sensing, gyroscopes, LiDAR, optical frequency metrology. Endowing Erbium-based gain photonic integrated circuits can provide a basis miniaturizing low-noise to chip-scale form factor, enable large-volume applications. Yet, while major progress has been made the last decade on based silicon photonics with III-V media, integration of Erbium chip compounded by large laser linewidth. Recent...
Optical frequency combs (OFCs) are of extreme importance for modern photonics. A great number OFC generation methods and practical application ideas have been suggested. In this paper we propose theoretically analyze an method based on frequency-shifting loop utilizing collinear acousto-optic (AO) diffraction. This offers two schemes. The first one applies the closed-loop optical system with AO cell driven by external radio-frequency (rf) generator. second scheme a principle optoelectronic...
Recent advances in the development of ultra-low loss silicon nitride integrated photonic circuits have heralded a new generation lasers capable reaching fiber laser coherence. However, these devices are presently based on self-injection locking distributed feedback diodes, increasing both cost and requiring tuning setpoints for their operation. In contrast, turn-key legacy systems use reflective semiconductor optical amplifiers (RSOAs). While this scheme has been utilized photonics-based...
In this paper, we introduce and analyze both experimentally theoretically multiple-band frequency locking, which becomes possible in an acousto-optic (AO) system with optoelectronic feedback. This effect is observed a combining collinear AO cell positive electronic The feedback signal formed the optical heterodyning effect, occurs at output takes place special regime of diffraction. It shown for first time, to best our knowledge, that locking when connecting external RF generator not only...
Laser systems with simultaneously narrow linewidth and high power are crucial in many research areas applications. We present a novel laser system based on regular multi-frequency diode high-Q optical whispering gallery mode (WGM) microresonator. The self-injection locking effect is used to the of emission down 2 kHz without significant reduction output power. compact prototype device proposed scheme manufactured.
Peculiarities of anisotropic light diffraction in a periodic acoustic field excited by phased array transducer with the phase shift π are studied theoretically. Possibilities this system application for control unpolarized optical radiation discussed.
Recent advances in the development of ultra-low loss silicon nitride integrated photonic circuits have heralded a new generation lasers capable reaching fiber laser coherence. However, these devices presently are based on self-injection locking distributed feedback (DFB) diodes, increasing both cost and requiring tuning setpoints for their operation. In contrast, turn-key legacy systems use reflective semiconductor optical amplifiers (RSOA). While this scheme has been utilized...
The influence of the acoustic beam energy walk-off on characteristics anisotropic Bragg diffraction light is studied theoretically by example a tellurium single crystal. Calculations for wide ranges angles and ultrasound frequencies are produced basis an original solution acousto-optic (AO) interaction problem, which takes into consideration walk-off. It established that can substantially change region AO interaction, resulting in narrowing or broadening frequency characteristic depending...