Ihor Pavlov

E-mail

ipavlov@metu.edu.tr

Department

Department of Physics

ORCID

0000-0001-9494-4149

Scopus Author ID

23005848500

Web of Science Researcher ID

F-9501-2017

Optical gating in photodetector for femtosecond time-resolved imaging Kadan, Viktor; Dmytruk, Andriy; Bondar, Mykhailo; Dmytruk, Igor; Goodarzi, Arian; Akhtaryarazar, Darya; Pavlov, Ihor (2025-12-01) Non-degenerate two-photon femtosecond gating directly within a photosensor has been investigated in both external and internal photoeffect configurations, with the aim of enabling fast time-resolved imaging applications. T...
Suppression of Inter-Pulse Amplified Spontaneous Emission in High Peak Power Amplifier Based on an Er-Yb Doped Fiber Pavlova, Svitlana; Yagci, Emre; Eken, Koray; Altay, Emre; Pavlov, Ihor (2025-01-01) High-power nanosecond laser sources emitting at a wavelength of ∼1.5 µm are an ongoing area of research due to their potential applications in various fields including, remote sensing, light detection, topographic mapping,...
Nanosecond IR Laser-Assisted Selective 3D Etching of Silicon for Photovoltaics Akhtaryarazar, Darya; Kadan, Viktor; Dadashi, Khalil; Demirbas, Kardelen; Bek, Alpan; Borra, Mona Zolfaghari; Arıkan, Bülent; GOODARZİ, ARİAN; Turan, Raşit; Pavlov, Ihor (2025-01-01) Selective etching of laser-modified silicon (Si) enables 3D micro-sculpturing, offering new opportunities for photovoltaic (PV) applications. This technique facilitates high-aspect-ratio microstructures for light trapping ...
Ballistic Photon Imaging by Direct Two-Photon Sensor Gating Kadan, Viktor; Dmytruk, Andriy; Akhtaryarazar, Darya; Dmytruk, Igor; Goodarzi, Arian; Pavlov, Ihor (2025-01-01) Various nonlinear temporal gating techniques [e.g., 1], which rely on the cross-correlation between signal and gating pulses (or auto-correlation if gating the pulse with itself), effectively address the slow response time...
Single-beam low-frequency loss modulation technique for two-photon absorption measurement Kadan, Viktor; Pavlov, Ihor; Dmytruk, Andriy; Blonskyi, Ivan; Pavlova, Tetiana; Serozhkin, Yuriy; Goodarzi, Arian; Bondar, Mykhailo (2024-10-15) We present a straightforward and reliable single-beam configuration designed for the assessment of two-photon absorption (2PA) through the utilization of the loss modulation technique. Mechanical rotation of a half-wave pl...
Development of a selective wet-chemical etchant for precise 3D sculpting of silicon enabled by infrared non-linear laser modification Zolfaghari Borra, Mona; Radfar, Behrad; Nasser, Hisham; Çolakoğlu, Tahir; Tokel, Onur; Turnalı, Ahmet; Işık Taşgın, Dilek; Toffoli, Hande; Toffoli, Daniele; İlday, Fatih Ömer; Turan, Raşit; Pavlov, Ihor; Bek, Alpan (2024-09-01) Recently-demonstrated high-quality three-dimensional (3D) subsurface laser processing inside crystalline silicon (c-Si) wafers opens a door to a wide range of novel applications in multidisciplinary research areas. Using t...
Electrical Properties of Laser Patterned Schottky Diode with ALD-Grown TiO2 Interlayer Dikicioǧlu, Elanur; Balı, M. Burcu; SAĞLAM, SEMRAN; Berberoǧlu, Halil; Pavlov, Ihor; GOODARZİ, ARİAN; ORHAN, ELİF (2024-01-01) Heterojunction formation is the key to adjusting the electronic and optoelectronic properties of various semiconductor devices. There have been various reports on the formation and importance of semiconducting heterojuncti...
Nanosecond Laser-Induced Micro-Modifications in Bulk of Crystal Silicon Kadan, Viktor; Pavlova, Svitlana; Bek, Alpan; Aydin, Yavuz; Blonskyi, Ivan; Pavlov, Ihor (2023-01-01) 3D modifications of crystalline Si (c-Si) by nano-, pico-, or femtosecond lasers at 1550 nm-wavelength are under intensive studies nowadays due to the wide range of potential applications in photonics and optoelectronics [...
LIPSS for SERS: Metal Coated Direct Laser Written Periodic Nanostructures for Surface Enhanced Raman Spectroscopy Erkizan, Serena Nur; İdikut, Fırat; Demirtas, Ozge; Goodarzi, Arian; Demir, Ahmet Kemal; Borra, Mona; Pavlov, Ihor; Bek, Alpan (2022-09-01) A novel method of fabricating large-area, low-cost surface-enhanced Raman spectroscopy (SERS) substrates is introduced which yields densely nanostructured surfaces utilizing laser-induced periodic surface structuring (LIPS...
Time-resolved microscopy of femtosecond laser filaments in fused quartz Kadan, Viktor; Blonskyi, Ivan; Pavlov, Ihor (2022-02-01) Detailed picture of continuous shape evolution of femtosecond laser pulse has been recorded directly in the process of filament formation in fused silica using time-resolved polarization microscopy with similar to 70 fs te...

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