“Stealth scripts”: ultrashort pulse laser luminescent microscale encoding of bulk diamonds via ultrafast multi-scale atomistic structural transformations

S Kudryashov, P Danilov, N Smirnov, G Krasin… - Nanomaterials, 2023 - mdpi.com
The ultrashort-laser photoexcitation and structural modification of buried atomistic optical
impurity centers in crystalline diamonds are the key enabling processes in the fabrication of …

Intrapulse in situ Raman probing of electron, phonon and structural dynamics in synthetic diamond excited by ultrashort laser pulses: Insights into atomistic structural …

SI Kudryashov, PA Danilov, VG Vins, EV Kuzmin… - Carbon, 2024 - Elsevier
Synthetic Ib-diamond plate with a minor concentration of substitutional atomic nitrogen C-
centers was exposed in its bulk by tightly focused 0.2-ps, 525-nm laser pulses, coming at 80 …

Permanent optical bleaching in HPHT-diamond via aggregation of C-and NV-centers excited by visible-range femtosecond laser pulses

SI Kudryashov, VG Vins, PA Danilov, EV Kuzmin… - Carbon, 2023 - Elsevier
Red-colored high-pressure, high-temperature synthesized (HPHT) diamond was exposed in
its bulk in a number of patterns to millions of 0.3-ps, 515-nm laser pulses focused by a 0.25 …

Productivity of concentration-dependent conversion of substitutional nitrogen atoms into nitrogen-vacancy quantum emitters in synthetic-diamond by ultrashort laser …

S Kudryashov, P Danilov, E Kuzmin, N Smirnov… - Micromachines, 2023 - mdpi.com
Tightly focused 515-nm, 0.3-ps laser pulses modify in a laser filamentation regime the
crystalline structure of an Ib-type high-pressure, high-temperature (HPHT) synthesized …

Polarization-Sensitive Nonlinear Optical Interaction of Ultrashort Laser Pulses with HPHT Diamond

GK Krasin, YS Gulina, EV Kuzmin, VP Martovitskii… - Photonics, 2023 - mdpi.com
The filamentation of focused 300 fs laser pulses with variable polarization azimuth in bulk of
synthetic HPHT diamond demonstrates the possibility of polarization-dependent bandgap …

Transformations of the spectrum of an optical phonon excited in raman scattering in the bulk of diamond by ultrashort laser pulses with a variable duration

SI Kudryashov, PA Danilov, PA Sdvizhenskii… - JETP Letters, 2022 - Springer
A spontaneous Raman signal at the frequency of the triply degenerate optical phonon of
diamond is observed in the photoluminescence spectrum under the pre-filamentation …

Numerical Aperture-Dependent Spatial Scaling of Plasma Channels in HPHT Diamond

Y Gulina, J Zhu, G Krasin, E Kuzmin, S Kudryashov - Photonics, 2023 - mdpi.com
The investigation of plasma channels induced by focused ultra-short 1030-nm laser pulses
in bulk of synthetic High Pressure High Temperature (HPHT) diamond revealed strong …

Up/Down-Scaling Photoluminescent Micromarks Written in Diamond by Ultrashort Laser Pulses: Optical Photoluminescent and Structural Raman Imaging

P Danilov, E Kuzmin, E Rimskaya, J Chen… - Micromachines, 2022 - mdpi.com
Elongated photoluminescent micromarks were inscribed inside a IaAB-type natural diamond
in laser filamentation regime by multiple 515 nm, 0.3 ps laser pulses tightly focused by a …

Direct Multiphoton Femtosecond Infrared Laser Excitation of a Diamond Lattice in the Two-Phonon Region and Modification of Color Centers

NA Smirnov, YS Gulina, NI Busleev, PP Pakholchuk… - JETP Letters, 2024 - Springer
The nonlinear absorption of ultrashort laser pulses with intensities of 0.17–1.7 TW/cm2 at an
intrinsic two-photon absorption wavelength of 4673 nm in type IIb diamond has been studied …

Intrapulse correlated dynamics of self-phase modulation and spontaneous Raman scattering in synthetic diamond excited and probed by positively chirped ultrashort …

S Kudryashov, P Danilov, J Chen - Photonics, 2023 - mdpi.com
In synthetic diamond plates, the intrapulse-correlated dynamics of self-phase modulation
and spontaneous nonresonant Raman scattering by center-zone optical phonons were for …