A5043079339- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Spectroscopy Techniques in Biomedical and Chemical Research
- Photorefractive and Nonlinear Optics
- Spectroscopy and Laser Applications
- Spectroscopy and Quantum Chemical Studies
- Advanced Fiber Optic Sensors
- Random lasers and scattering media
- Photoacoustic and Ultrasonic Imaging
- Advanced Fluorescence Microscopy Techniques
- Metamaterials and Metasurfaces Applications
- Optical and Acousto-Optic Technologies
- Quantum Information and Cryptography
- Optical Polarization and Ellipsometry
- Orbital Angular Momentum in Optics
- Optical Network Technologies
- Surface Roughness and Optical Measurements
- Calibration and Measurement Techniques
- Optical Coherence Tomography Applications
- Integrated Circuits and Semiconductor Failure Analysis
- Near-Field Optical Microscopy
- Quantum optics and atomic interactions
- Advanced Optical Sensing Technologies
- Mechanical and Optical Resonators
- Infrared Target Detection Methodologies
Agency for Science, Technology and Research
2015-2024
Institute of Materials Research and Engineering
2019-2024
South Ural State University
2024
National University of Singapore
2024
Nanyang Technological University
2018-2019
Data Storage Institute
2015-2018
Lomonosov Moscow State University
2013-2015
Moscow State University
2011
Conventional spectroscopy uses classical light to detect matter properties through the variation of its response with frequencies or time delays.Quantum opens up new avenues for by utilizing parameters quantum state as novel control knobs and photon statistics coupling matter.This Roadmap article focuses on using a powerful sensing spectroscopic tool reveal information about complex molecules that is not accessible light.It aims at bridging optics communities which normally have opposite...
We demonstrate a new scheme of infrared spectroscopy with visible light sources and detectors. The technique relies on the nonlinear interference correlated photons, produced via spontaneous parametric down conversion in crystal. Visible photons are split into two paths interact sample under study. reflected back to crystal, resembling conventional Michelson interferometer. Interference is observed it dependent phases all three interacting photons: pump, infrared. transmission coefficient...
Optical coherence tomography (OCT) is an appealing technique for bio-imaging, medicine, and material analysis. For many applications, OCT in mid- far-infrared (IR) leads to significantly more accurate results. Reported mid-IR systems require light sources photodetectors which operate range. These devices are expensive need cryogenic cooling. Here, we report a proof-of-concept demonstration of wavelength tunable IR with detection only visible range photons. Our method based on the nonlinear...
A microscope with correlated photons reveals infrared images via detection of visible light.
Numerous molecules exhibit unique absorption bands in the "fingerprint" infrared (IR) region, allowing chemical identification and detection. This makes IR spectroscopy an essential tool biomedical diagnostics, sensing, material characterization. However, measurements range are challenging due to relatively poor performance, need for cryogenic cooling, high cost of light sources photodetectors. Here, we demonstrate that mid-IR fingerprints sample can be revealed from near-IR using...
Infrared (IR) imaging is one of the significant tools for quality control measurements fabricated samples. Standard IR techniques use direct measurements, where light sources and detectors operate at range. Due to limited choices or detectors, challenges in reaching specific wavelengths may arise. In our work, we perform indirect microscopy based on quantum technique. This method allows us probe sample with light, while detection shifted into visible near-IR Thus, demonstrate silicon chips...
We present a novel infrared spectroscopy technique, which uses well-developed and low-cost optical components designed for operation in the visible range. The method is based on nonlinear interference of entangled photons generated via spontaneous parametric down conversion. further advance technique by developing data processing algorithm, eliminates need spectral selection device, results increase signal to noise ratio speed.
Abstract Infrared (IR) spectroscopy is an indispensable tool for many practical applications including material analysis and sensing. Existing IR techniques face challenges related to the inferior performance high cost of IR-grade components. Here, we develop a new method, which allows studying properties materials in range using only visible light optics detectors. It based on nonlinear interference entangled photons, generated via Spontaneous Parametric Down Conversion (SPDC). In our...
We study polarization effects in the nonlinear interference of photons generated via frequency nondegenerate spontaneous parametric-down conversion.Signal and idler photons, which are visible infrared (IR) range, respectively, split into different arms a Michelson interferometer, pattern for signal is detected.Due to effect induced coherence, depends on rotation introduced by birefringent sample.Based this concept, we realize two new methods measuring sample retardation IR range using...
Nonlinear interferometers with correlated photons hold a promise to advance optical characterization and metrology techniques by improving their performance affordability. offer the sub-shot noise phase sensitivity enable measurements in detection-challenging regions using inexpensive efficient components. The of such interferometers, defined ability measure small shifts interference fringes, can be significantly enhanced multiple nonlinear elements, or crystal superlattices. However, date,...
We demonstrate the experimental technique for generating a spatial single-mode broadband biphoton field. The method is based on dispersive optical element which precisely tailors structure of type-I spontaneous parametric down-conversion (SPDC) frequency angular spectrum in order to shift different spectral components single mode. Spatial mode filtering realized by coupling biphotons into fiber.
Abstract Nonlinear interferometry presents a powerful approach for infrared metrology by enabling measurements with visible or near-infrared detectors. In this study, we evaluate the potential of novel nonlinear crystals mid-infrared ‘fingerprint’ spectroscopy based on interferometry, focusing transparency range, coefficients, and phase-matching capabilities crystals. We compare established materials like silver thiogallate (AgGaS 2 ) promising alternatives, including mercury (HgGa S 4 ),...
Abstract The optical elements comprised of sub-diffractive light scatterers, or metasurfaces, hold a promise to reduce the footprint and unfold new functionalities devices. A particular interest is focused on metasurfaces for manipulation phase amplitude beams. Characterisation can be performed using interferometry, which, however, may cumbersome, specifically in infrared (IR) range. Here, we realise method characterising operating telecom IR range accessible components visible light....
We propose and realize a method of high intensity generation broadband biphotons achieve its value up to 150 THz. The source is based on thin BBO crystal with thickness 100 microns, in which spontaneous parametric down-conversion takes place. To compensate for the decrease caused by small crystal, it placed inside cavity an Ar+ laser. In general, this experiment relates widely discussed problem two-photon shaping frequency and/or angular domain.
Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film lithium niobate is a promising platform on-chip generation through spontaneous parametric down-conversion (SPDC). However, the device implementation faces practical challenges. Periodically poled (PPLN), despite enabling flexible quasi-phase matching, suffers from poor fabrication reliability and repeatability, while conventional modal phase matching (MPM) methods yield limited efficiencies due to...
<title>Abstract</title> Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film lithium niobate is a promising platform on-chip generation through spontaneous parametric down-conversion (SPDC). However, the device implementation faces practical challenges. Periodically poled (PPLN), despite enabling flexible quasi-phase matching, suffers from poor fabrication reliability and repeatability, while conventional modal phase matching (MPM) methods yield limited...
Magneto-optical properties of materials are utilized in numerous applications both scientific research and industries. The novel these can be further investigated by performing metrology the infrared wavelength range, thereby enriching their potential applications. However, current techniques challenging resource-intensive due to unavailability suitable components. To address challenges, we propose demonstrate a set measurements based on nonlinear interferometry, which allows us...
Abstract Increasing the interaction path length is a well‐known method for enhancing sensitivity of optical detection system. Hollow–core fibers (HCFs) represent viable alternative to traditional multi‐path cells offering low losses and strong confinement field. Here, incorporation an Antiresonant Fiber (AR‐HCF) section into nonlinear interferometer, where AR‐HCF serves as gas‐sensing cell operating in IR range presented. By exploiting effect interference, brought more operation‐friendly...
Abstract We demonstrate the use of a nonlinear interferometer with bulk lithium niobate crystal for sensing gas mixtures over broadband mid-infrared (mid-IR) range wavelengths. Our method utilizes spontaneous parametric down-conversion to generate correlated photon pairs in visible and mid-IR ranges. show that by leveraging phase-matching properties crystal, it is possible access ‘fingerprint’ region greenhouse gases detection light signal. technique enables simultaneous high spectral...
We assess the ability of a novel quantum IR-imaging method to see through thick layers water in microfluidic devices.