V. Khopin

E. M. Dianov, V. Khopin, M. Salganskii, 2009, 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference.

Single-mode all-silica photonic bandgap fiber with 20-μm mode-field diameter

Sergey L. Semjonov, Alexey F. Kosolapov, Dmitry A. Gaponov, 2008 .

2 W bismuth doped fiber lasers in the wavelength range 1300 – 1500 nm and variation of Bi-doped fiber parameters with core composition

Vladimir F. Khopin, A. M. Smirnov, Evgeny M. Dianov, 2009 .

Raman fibre lasers emitting at a wavelength above 2 μm

V. B. Neustruev, A. V. Shubin, E. Dianov, 2004 .

Single-frequency Bismuth-doped fiber laser with quasi-continuous self-sweeping.

M. Melkumov, V. Khopin, S. Babin, 2015, Optics express.

Luminescence and optical gain in Pb-doped silica-based optical fibers.

I. Bufetov, V. Khopin, E. Dianov, 2009, Optics express.

Optical properties of IR-emitting centres in Pb-doped silica fibres

E. Dianov, I. Bufetov, V. Khopin, 2012 .

Low-loss singlemode large mode area all-silica photonic bandgap fiber.

V. Khopin, E. Dianov, M. Likhachev, 2006, Optics express.

Characteristic Features of Multilayer Photonic Bandgap Fiber Fabrication

V. Khopin, M. Likhachev, M. Bubnov, 2019, Inorganic Materials.

Large Mode Area All-Solid Optical Fiber Lasers with Tailored Microstructured Cladding

E. Dianov, V. Khopin, A. N. Gur'yanov, 2008 .

All-solid photonic bandgap fiber with large mode area and high order modes suppression

V. Khopin, E. Dianov, M. Salganskii, 2008, 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science.

High-power fibre Raman lasers emitting in the 1.22–1.34-μm range

E. Dianov, O. Medvedkov, V. Khopin, 2000 .

Mechanisms of optical losses in fibres with a high concentration of germanium dioxide

Mikhail M. Bubnov, Vladimir F. Khopin, Mikhail E. Likhachev, 2003 .

Effect of fluorine doping on the optical loss in MCVD fibers based on heavily doped germanosilicate glass

V. Khopin, E. Dianov, M. Likhachev, 2010 .

Study of the radiation scattering indicatrix in fibres heavily doped with germanium oxide

E. Dianov, V. Khopin, A. N. Gur'yanov, 2006 .

Effect of absorption recovery in bismuth-doped silica glass at 1450 nm on soliton grouping in fiber laser

M. Melkumov, V. Khopin, E. Dianov, 2014, Scientific Reports.

Deterioration of Bismuth-Doped Fiber Lasers Performance Induced by Blue and Green Laser Light Launched into Cladding

M. Melkumov, V. Khopin, S. Firstov, 2022, Results in Physics.

Lasing properties of thermally treated $$\hbox {GeO}_{2}$$–$$\hbox {SiO}_{2}$$ glass fibers doped with bismuth

M. Melkumov, V. Khopin, S. Firstov, 2020 .

Bend-insensitive bismuth-doped P2O5-SiO2 glass core fiber for a compact O-band amplifier.

M. Melkumov, V. Khopin, S. Firstov, 2020, Optics letters.

Effect of Drawing Conditions on Optical Properties of Bismuth-Doped High-GeO2–SiO2 Fibers

M. Melkumov, V. Khopin, A. Levchenko, 2020, IEEE Photonics Technology Letters.

Photostability of laser-active centers in bismuth-doped GeO2-SiO2 glass fibers under pumping at 1550 nm.

M. Melkumov, V. Khopin, S. Firstov, 2019, Optics express.

Bi-doped fibre lasers operating in the range 1470-1550 nm

E. Dianov, I. Bufetov, O. Medvedkov, 2009 .

Bismuth-doped silica-based fiber lasers operating between 1389 and 1538 nm with output power of up to 22 W.

A. V. Shubin, I. Bufetov, O. Medvedkov, 2012, Optics letters.

Self-Q-switching of a bismuth-doped germanosilicate fiber laser operating at 1.46 μm

M. Melkumov, V. Khopin, E. Dianov, 2013 .

Excited-state absorption in various bismuth-doped fibers.

A. V. Shubin, I. Bufetov, M. Melkumov, 2014, Optics letters.

All-bismuth fiber system for femtosecond pulse generation, compression, and energy scaling.

E. Dianov, M. Melkumov, V. Khopin, 2015, Optics letters.

Bismuth-doped fibre laser continuously tunable within the range from 1.36 to 1.51 μm

E. Dianov, O. Medvedkov, M. Melkumov, 2016 .

Performance of 1.73 μm Superluminescent Source Based on Bismuth-Doped Fiber Under Various Temperature Conditions and γ-Irradiation

M. Melkumov, V. Khopin, E. Dianov, 2017, Journal of Lightwave Technology.

Thermal stability of bismuth-doped high-GeO2 fiber lasers

M. Melkumov, V. Khopin, S. Firstov, 2020 .

Effect of heat treatment parameters on the optical properties of bismuth-doped GeO2:SiO2 glass fibers

M. Melkumov, V. Khopin, A. N. Gur'yanov, 2019, Optical Materials Express.

Dependence of the photobleaching on laser radiation wavelength in bismuth-doped germanosilicate fibers

M. Melkumov, V. Khopin, A. N. Gur'yanov, 2017 .

Highly Efficient Phosphosilicate Raman Fiber Lasers for Optical Amplifiers Pumping

E. M. Dianov, I. Bufetov, V. Khopin, 1999 .

Origin of Excess Loss in Single-Mode Optical Fibers with High GeO2-Doped Silica Core☆

Valery M. Mashinsky, Vladimir F. Khopin, E. M. Dianov, 1997 .

Picosecond 1.3-μm bismuth fibre laser mode-locked by a nonlinear loop mirror

M. Melkumov, V. Khopin, E. Dianov, 2016 .

Efficient source of femtosecond pulses and its use for broadband supercontinuum generation

V. Khopin, M. Likhachev, M. Bubnov, 2005 .

UV and ⋎-induced paramagnetic colour centers in germanium-doped silica glass

V. B. Neustruev, V. A. Tikhomirov, E. Dianov, 1988 .

Observation of radiation-induced absorption of self-trapped holes in Ge-doped silica fiber in near infrared range at reduced temperature

A. L. Tomashuk, V. Khopin, A. N. Gur'yanov, 2018, Journal of Non-Crystalline Solids.

Tm3+-doped CW fiber laser based on a highly GeO2-doped dispersion-shifted fiber.

V. Mashinsky, V. Khopin, E. Dianov, 2011, Optics express.

1.9 micron Tm3+-doped germanate fiber laser source for Si-processing

E. Dianov, V. Mashinsky, V. Khopin, 2011 .

Anti-Stokes luminescence in bismuth-doped silica and germania-based fibers.

I. Bufetov, V. Khopin, E. Dianov, 2013, Optics express.

Heat treatment of bismuth-doped fibers as a way to improve their laser properties

M. Melkumov, V. Khopin, S. Firstov, 2020, 2020 International Conference Laser Optics (ICLO).

IR luminescence of tellurium-doped silica-based optical fibre

A. V. Shubin, E. Dianov, V. Khopin, 2012 .

Bismuth-doped germanosilicate fibre laser with 20-W output power at 1460 nm

A. V. Shubin, E. Dianov, I. Bufetov, 2011 .

Time-resolved spectroscopy and optical gain of silica-based fibers co-doped with Bi, Al and/or Ge, P, and Ti

I. Bufetov, V. Khopin, E. Dianov, 2009 .

Luminescence and laser generation in Bi-doped fibers in a spectral region of 1300–1520 nm

I. Bufetov, O. Medvedkov, V. Khopin, 2009, 2009 Conference on Optical Fiber Communication - incudes post deadline papers.

High-aperture optical waveguides based on fluorine-doped silica glass

V. Khopin, M. Salganskii, A. Kosolapov, 2009 .

Fibre laser based on tellurium-doped active fibre

A. V. Shubin, O. Medvedkov, V. Khopin, 2014 .

The Influence of the MCVD Process Parameters on the Optical Properties of Bismuth-Doped Phosphosilicate Fibers

M. Melkumov, V. Khopin, S. Firstov, 2020, Journal of Lightwave Technology.

High-power photonic-bandgap fiber laser.

Philippe Roy, Sébastien Février, Dmitry D Gaponov, 2008, Optics letters.

Optical properties of bismuth-doped silica fibres in the temperature range 300 — 1500 K

E. Dianov, I. Bufetov, V. Khopin, 2012 .

Bismuth-doped fibers and fiber lasers for a new spectral range of 1600-1800 nm

E. M. Dianov, A. N. Guryanov, N. N. Vechkanov, 2016, LASE.

Laser diode pumped bismuth-doped optical fiber amplifier for 1430 nm band.

A. V. Shubin, I. Bufetov, M. Melkumov, 2011, Optics letters.

Analysis of thermally activated processes in bismuth-doped GeO 2-SiO 2 glass fibers using the demarcation energy concept

M. Melkumov, V. Khopin, S. Firstov, 2019, Optical Materials Express.

Recovery of IR luminescence in photobleached bismuth-doped fibers by thermal annealing

E. M. Dianov, Vladimir F. Khopin, Sergey V. Firstov, 2016 .

Photobleaching effect in bismuth-doped germanosilicate fibers.

Mikhail Melkumov, Sergei Firstov, Sergey Alyshev, 2015, Optics express.

Bismuth-doped-glass optical fibers--a new active medium for lasers and amplifiers.

L. I. Bulatov, A. V. Shubin, I. Bufetov, 2006, Optics letters.

New radiation colour centre in germanosilicate glass fibres

A. L. Tomashuk, V. Khopin, E. Dianov, 2018, Quantum Electronics.

NALM-based bismuth-doped fiber laser at 1.7 μm.

Aleksandr Khegai, Konstantin Riumkin, Mikhail Melkumov, 2018, Optics letters.

Efficient bi-doped fiber lasers and amplifiers for the spectral region 1300-1500 nm

E. M. Dianov, A. N. Guryanov, V. F. Khopin, 2010, LASE.

Radial Distribution of Laser Active Centers in Phosphosilicate Fibers Doped with Bismuth

M. Melkumov, V. Khopin, S. Firstov, 2019, 2019 Asia Communications and Photonics Conference (ACP).

Luminescence properties of IR-emitting bismuth centres in -based glasses in the UV to near-IR spectral region

I. Bufetov, V. Khopin, E. Dianov, 2015 .

Bismuth-doped fibre amplifier for the range 1300 — 1340 nm

Vladimir F. Khopin, Evgenii M Dianov, Igor' A Bufetov, 2009 .

Bi-doped fiber lasers and amplifiers for a spectral region of 1300-1470 nm.

I. Bufetov, O. Medvedkov, V. Khopin, 2008, Optics letters.

A 23-dB bismuth-doped optical fiber amplifier for a 1700-nm band

Vladimir F. Khopin, Alexey N. Guryanov, Evgeny M. Dianov, 2016, Scientific Reports.

Bi-doped fibre lasers and amplifiers emitting in a spectral region of 1.3 μm

E. M. Dianov, Vladimir F. Khopin, Sergey V. Firstov, 2008 .

Superfluorescent 1.44-μm bismuth-doped fiber source

E. M. Dianov, V. F. Khopin, I. A. Bufetov, 2012, 2012 17th Opto-Electronics and Communications Conference.

Experimental demonstration of spectral broadening in an all-silica Bragg fiber.

Sonali Dasgupta, Alexey Sysoliatin, Nagaraju Bezawada, 2009, Optics express.

Polarization-maintaining photonic bandgap Bragg fiber.

Sébastien Février, Mikhail E Likhachev, Mikhail M Bubnov, 2009, Optics letters.

Optical properties of fibres with aluminophosphosilicate glass cores

Mikhail M. Bubnov, Vladimir F. Khopin, Mikhail E. Likhachev, 2009 .

Effect of core glass composition on the optical properties of active fibers

V. Khopin, A. N. Gur'yanov, E. Dianov, 2005 .

Fabrication and investigation of single-mode highly phosphorus-doped fibers for Raman lasers

Eugeni M. Dianov, Sergey L. Semjonov, Mikhail M. Bubnov, 2000, Other Conferences.

Influence of fluorine codoping on optical losses in Ge- and P-doped fibers

Eugeni M. Dianov, Sergey L. Semjonov, Mikhail M. Bubnov, 2001, SPIE Optics East.

Hydroxyl Groups in GeO2 Glass

V. O. Sokolov, V. Khopin, A. N. Gur'yanov, 2002 .

Hydroxyl Groups in Germania Glass

V. O. Sokolov, V. Mashinsky, V. Khopin, 2001 .

Soliton Resonances in Dispersion Oscillating Optical Fibers

V. Khopin, N. Novgorod, L. Melnikov, 2009 .

Continuous-wave bismuth fibre laser tunable from 1.65 to 1.8 μm

E. Dianov, O. Medvedkov, M. Melkumov, 2017 .

Wideband bismuth- and erbium-codoped optical fiber amplifier for C + L + U-telecommunication band

V. Khopin, A. N. Gur'yanov, E. Dianov, 2017 .

Bismuth/erbium-doped germanosilicate fibre amplifier with a bandwidth above

V. Khopin, E. Dianov, S. Firstov, 2016 .

Enhanced Radiation Resistance of Silica Optical Fibers Fabricated in High O $_{\bf 2}$ Excess Conditions

A. L. Tomashuk, Pavel F. Kashaykin, Alexander L. Tomashuk, 2014, Journal of Lightwave Technology.

Four-wave mixing with large stokes shifts in heavily Ge-doped silica fibers.

V. Mashinsky, V. Khopin, E. Dianov, 2005, Optics letters.

High-efficient 1.3-/spl mu/m Raman fiber amplifier

V. M. Mashinsky, A. M. Prokhorov, Vladimir F. Khopin, 1998 .

Bismuth-doped fiber laser at 1.32 μm mode-locked by single-walled carbon nanotubes.

M. Melkumov, V. Khopin, E. Dianov, 2018, Optics express.

Germania-glass-core silica-glass-cladding modified chemical-vapor deposition optical fibers: optical losses, photorefractivity, and Raman amplification.

V. B. Neustruev, A. V. Shubin, I. Bufetov, 2004, Optics letters.

Bismuth-doped power amplifier in the spectral region between 1650 nm and 1700 nm

Vladimir F. Khopin, Monika Krajewska, Sergei V. Firstov, 2020, Photonics Europe.

BRIEF COMMUNICATIONS: Glass-fiber waveguide with losses below 1 dB/km

G. G. Devyatykh, V. B. Neustruev, E. Dianov, 1977 .

Ultraviolet radiation- and γ radiation-induced color centers in germanium-doped silica glass and fibers

Valery M. Mashinsky, Vladimir F. Khopin, E. M. Dianov, 1989 .