Optical whispering-gallery-mode microbubble sensors

X Zhao, Z Guo, Y Zhou, J Guo, Z Liu, Y Li, M Luo, X Wu - Micromachines, 2022 - mdpi.com
Whispering-gallery-mode (WGM) microbubble resonators are ideal optical sensors due to
their high quality factor, small mode volume, high optical energy density, and …

Demonstration of a fiber optical communication system employing a silica microsphere-based OFC source

T Salgals, J Alnis, R Murnieks, I Brice, J Porins… - Optics …, 2021 - opg.optica.org
The fabrication of microsphere resonators and the generation of optical frequency combs
(OFC) have achieved a significant breakthrough in the past decade. Despite these …

Design and dispersion control of microstructured multicore tellurite glass fibers with in-phase and out-of-phase supermodes

EA Anashkina, AV Andrianov - Photonics, 2021 - mdpi.com
High nonlinearity and transparency in the 1–5 μm spectral range make tellurite glass fibers
highly interesting for the development of nonlinear optical devices. For nonlinear optical …

Erbium-doped tellurite glass microlaser in C-band and L-band

EA Anashkina, AV Andrianov - Journal of Lightwave Technology, 2021 - opg.optica.org
We report results of experimental laser generation in an Er-doped tellurite glass
microsphere under in-band pumping. Depending on settings, single-mode and multimode …

Kerr-Raman optical frequency combs in silica microsphere pumped near zero dispersion wavelength

EA Anashkina, AV Andrianov - IEEE Access, 2021 - ieeexplore.ieee.org
Optical frequency combs generated in whispering gallery mode microresonators are in high
demand for basic science and a large number of applications including telecommunication …

Kerr optical frequency combs with multi-FSR mode spacing in silica microspheres

EA Anashkina, V Bobrovs, T Salgals… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
We experimentally demonstrate Kerr optical frequency combs (OFCs) with mode spacing of
1, 2, 3, 5, 6, and 8 free spectral ranges (FSRs) corresponding to 0.4, 0.8, 1.2, 2, 2.4, and 3.2 …

In-band pumped thulium-doped tellurite glass microsphere laser

EA Anashkina, VV Dorofeev, AV Andrianov - Applied Sciences, 2021 - mdpi.com
Microresonator-based lasers in the two-micron range are interesting for extensive
applications. Tm3+ ions provide high gain; therefore, they are promising for laser generation …

High-quality-factor dye-doped polymeric microdiscs fabricated by soft imprint lithography

B Kumar, PS Choubey, BN Bhaktha - The European Physical Journal …, 2022 - Springer
We present a study on the photophysical properties of pyrromethene 570-doped polymethyl
methacrylate (PMMA) thin films with varying dye concentrations. The emission and …

Raman-assisted optical frequency combs generated in a silica microsphere in two whispering gallery mode families

AV Andrianov, EA Anashkina - Laser Physics Letters, 2021 - iopscience.iop.org
Optical frequency combs (OFCs) generated in microresonators with whispering gallery
modes are attractive for different applications and basic science. The effects associated with …

Quantum-Dot-Induced Modification of Surface Functionalization for Active Applications of Whispering Gallery Mode Resonators

I Brice, VV Kim, A Ostrovskis, A Sedulis, T Salgals… - Nanomaterials, 2023 - mdpi.com
Quantum dots can modify the properties of the whispering gallery mode resonators
(WGMRs) used in various potential applications. A deposition of a suitable nanomaterial for …