Ali Karatutlu
Silicon Photonics & Integrated Optics
Phase-Shifted Bragg-Grating Consisting of Silicon Oxynitride Doped Silicon and Silica Alternating Layers Lab-on-Fiber for Biosensors with Ultrahigh Sensitivity and Ultralow Loss. T.E. Tabaru, A. Karatutlu, B. Ortaç. Optics & Laser Technology, Vol. 167, pp. 109693 (2023).
Low-Temperature Synthesis of Silicon Oxynitride-Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates. A. Karatutlu, T.E. Tabaru, B. Ortaç. Advanced Optical Materials (2023).
Decalin-assisted light emitting porous Si formation and its optical, surface and morphological properties, Karatutlu A, Istengir S, Cosgun S, Seker I, Unal B. Appl Surf Sci 2017;422:498–503. doi:10.1016/j.apsusc.2017.06.057.
Nanophotonics & Advanced Optical Materials
Spatiotemporal Confinements of Distance-Dependent Emitters for Enhancing Plasmonic Signals, Yusuf Aslan, Esma Derin, Kutay Sagdic, Timuçin Emre Tabaru, Ali Karatutlu, Bülend Ortaç, and Fatih Inci, ACS Appl. Mater. Interfaces 2026 Vol 18/Issue 7 doi: 10.1021/acsami.5c24749
Cutting-Edge Advances in Tailoring Size, Shape, and Functionality of Nanoparticles and Nanostructures: A Review. V. Harish, M.M. Ansari, D. Tewari, A.B. Yadav, N. Sharma, S. Bawarig, … A. Karatutlu, … Journal of the Taiwan Institute of Chemical Engineers, Vol. 149, pp. 105010 (2023).
Engineering of the High-Power Laser-Induced Synthesis of Ni-Based Metal-Organic Framework: Investigation of Optical Properties and Computational Methodology. S. Mutlu, B. Ortaç, A. Karatutlu, T. Gorkan, E. Durgun, D. Söyler, S. Söylemez, … Advanced Materials Technologies (2024).
A Systematic Study on Au-capped Si Nanowhiskers for Size-Dependent Improved Biosensing Applications, İ. Seker, A. Karatutlu, K Golcuk, M. Karakiz, B. Ortaç,, Plasmonics, 15:1739–1745 (2020) DOI: 10.1007/s11468-020-01195-7
Spectroscopic Super-Resolution Fluorescence Cell Imaging Using Ultra-Small Ge Quantum Dots. M. Song, A. Karatutlu, I. Ali, O. Ersoy, Y. Zhou, Y. Yang, Y. Zhang, W.R. Little, … Optics Express, Vol. 25, No. 4, pp. 4240-4253 (2017).
Synthesis and structure of free-standing Germanium quantum dots and their application in live cell imaging Ali Karatutlu, Mingying Song, Ann P. Wheeler, Osman Ersoy, William R. Little, Yuanpeng Zhang, Pascal Puech, Filippo S. Boi, Zofia Luklinska, Andrei V. Sapelkin. RSC Advances 02/2015; 5(26-26):20566-20573. Click doi:10.1039/c5ra01529d
Optical Fiber & Waveguide Engineering
Fabrication of Biaxial Polarization-Maintaining Optical Fiber with Ultra-Low Bending-Dependent Polarization Extinction Ratio Deterioration. A. Karatutlu, E. Yapar Yıldırım, E. Kendir, Y. Midilli, S. Akçimen, B. Ortaç.
Combined Method for the Fabrication of High-Power Cladding Light Stripper Using a Buffered Oxide Etchant. E.Y. Yıldırım, A. Karatutlu, E.T. Balk, Y. Midilli, B. Ortaç. Applied Optics, Vol. 58, No. 25, pp. 6926-6933 (2019).
Atomic layer deposition of zirconium oxide thin film on an optical fiber for cladding light strippers, A. Karatutlu, , Turkish Journal of Physics, DOI: 10.3906/fiz-1908-6, Available online: 07.01.2020
Timuçin Emre Tabaru
Silicon Photonics & Integrated Optics
Phase-Shifted Bragg-Grating Consisting of Silicon Oxynitride Doped Silicon and Silica Alternating Layers Lab-on-Fiber for Biosensors with Ultrahigh Sensitivity and Ultralow Loss. T.E. Tabaru, A. Karatutlu, B. Ortaç. Optics & Laser Technology, Vol. 167, pp. 109693 (2023).
Low-Temperature Synthesis of Silicon Oxynitride-Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates. A. Karatutlu, T.E. Tabaru, B. Ortaç. Advanced Optical Materials (2023).
Nanophotonics & Advanced Optical Materials
Spatiotemporal Confinements of Distance-Dependent Emitters for Enhancing Plasmonic Signals, Yusuf Aslan, Esma Derin, Kutay Sagdic, Timuçin Emre Tabaru, Ali Karatutlu, Bülend Ortaç, and Fatih Inci, ACS Appl. Mater. Interfaces 2026 Vol 18/Issue 7 doi: 10.1021/acsami.5c24749
Sensitive hybrid plasmonic refractive index sensor based on Ag cross-grating nanoantenna and Au quantum dot upon SiO₂ Nanowire, AK SANLI, VT Kılıç, TE Tabaru, Physica Scripta 101, 145508
O-Ring Shaped Multiresonant Wavelength Selective Plasmonic Nanoemitter Compatible with Thermal Management, A Demir, TE Tabaru, Plasmonics, 3429–3439
Fiber Optic Sensing & Waveguide Engineering
High sensitive fast gamma radiation sensor based on Yb-doped optical fiber: offline and online detection, E Kendir Tekgül, Ş Yaltkaya, T Emre Tabaru, B Ortaç, Journal of Physics: Photonics 8 (1), 015034
A Simple, High Sensitive Fiber Optic Microphone Based on Cellulose Triacetate Diaphragm. S.E. Hayber, T.E. Tabaru, S. Keser, O.G. Saracoglu. Journal of Lightwave Technology, Vol. 36, No. 23, pp. 5650-5655 (2018).
A Novel Approach Based on Simulation of Tunable MEMS Diaphragm for Extrinsic Fabry–Perot Sensors. S.E. Hayber, T.E. Tabaru, O.G. Saracoglu. Optics Communications, Vol. 430, pp. 14-23 (2019).
Evanescent Field Absorption-Based Fiber Optic Sensor for Detecting Power Transformer Oil Degradation. Ş.E. Hayber, T.E. Tabaru, M. Güçyetmez. Fiber and Integrated Optics, Vol. 40, No. 4-6, pp. 229-248 (2021).
The Experimental Validation of Designed Fiber Optic Pressure Sensors with EPDM Diaphragm. Ş.E. Hayber, U. Aydemir, T.E. Tabaru, Ö.G. Saraçoğlu. IEEE Sensors Journal, Vol. 19, No. 14, pp. 5680-5685 (2019).
The Temperature Effect on U and Coil Shaped POF Sensors to Detect Refractive Index Change. T.E. Tabaru. Fiber and Integrated Optics, Vol. 40, No. 1, pp. 48-69 (2021).
Highly Sensitive ZnO-Doped PET Diaphragm-Based Fiber Optic Microphone. T.E. Tabaru, N. Güneş, G. Bayırbağ, A. Erdal. Sensors and Actuators A: Physical, Vol. 378, pp. 115807 (2024).
Optical Sensors & Photonics
Design and Analysis of Low Profile and Low SAR Full-Textile UWB Wearable Antenna with Metamaterial for WBAN Applications. H. Yalduz, T.E. Tabaru, V.T. Kilic, M. Turkmen. AEU-International Journal of Electronics and Communications, Vol. 126, pp. 153465 (2020).
Triple Band Diamond-Shaped Polarization Insensitive Plasmonic Nano Emitter for Thermal Camouflage and Radiative Cooling. A.K. Şanlı, T.E. Tabaru, V.T. Kılıç. Optical and Quantum Electronics, Vol. 56, pp. 1074 (2024).
Deep Learning and Machine Learning Based Highly Accurate Reflection Prediction Model for Multi Layers Anti-Reflection Coatings. S. Oktay, İ. Duru, H. Bakır, T.E. Tabaru. Optical and Quantum Electronics, Vol. 57, No. 1, pp. 101 (2025).
Frequency Domain Analysis of Laser and Acoustic Pressure Parameters in Photoacoustic Wave Equation for Acoustic Pressure Sensor Designs. T.E. Tabaru, S.E. Hayber, O.G. Saracoglu. Current Optics and Photonics, Vol. 2, No. 3, pp. 250-260 (2018).
A novel approach based on simulation of tunable MEMS diaphragm for extrinsic Fabry–Perot sensors, SE Hayber, TE Tabaru, OG Saracoglu, Optics Communications 430, 14-23
A simple, high sensitive fiber optic microphone based on cellulose triacetate diaphragm, SE Hayber, TE Tabaru, S Keser, OG Saracoglu, Journal of Lightwave Technology 36 (23), 5650-5655
Frequency domain analysis of laser and acoustic pressure parameters in photoacoustic wave equation for acoustic pressure sensor designs, TE Tabaru, SE Hayber, OG Saracoglu, Current Optics and Photonics 2 (3), 250-260
Mustafa Demirtaş
Integrated Photonics & On-Chip Optical Systems
Design and Optimization of Oxide Material-Based Single-Mode Rib Waveguides for Photonic Integrated Circuits, H Gencal, M Demirtaş, U Aydemir, Balkan Journal of Electrical and Computer Engineering 13 (3), 279-285
Enhancing InGaN LED performance via ALD-grown Al2O3 sidewall passivation, HM Bayramlı, M Genc, O Yücel, B Bulut, A Bek, M Demirtas, Physica Scripta 100 (4), 045902
Low Loss Atomic Layer Deposited Al₂O₃ Waveguides for Applications in On-Chip Optical Amplifiers. M. Demirtaş, C. Odacı, N.K. Perkgöz, C. Sevik, F. Ay. IEEE Journal of Selected Topics in Quantum Electronics, Vol. 24, No. 4, pp. 1-8 (2018).
High-Gain Er³⁺:Al₂O₃ On-Chip Waveguide Amplifiers. M. Demirtaş, F. Ay. IEEE Journal of Selected Topics in Quantum Electronics, Vol. 26, No. 5, pp. 1-8 (2020).
Polarization Insensitive Single Mode Al₂O₃ Rib Waveguide Design for Applications in Active and Passive Optical Waveguides. F.A. Özden, M. Demirtaş. Journal of the European Optical Society-Rapid Publications, Vol. 10 (2015).
Extensive Mode Mapping and Novel Polarization Filter Design for ALD Grown Al₂O₃ Ridge Waveguides. M. Demirtaş, A. Özden, E. Açikbaş, F. Ay. Optical and Quantum Electronics, Vol. 48, No. 7, pp. 1-12 (2016).
Controlled ALD doping of Er3+ for active on-chip waveguide amplifiers based on Al2O3, M Demirtaş, NK Perkgöz, F Ay, Integrated Optics: Devices, Materials, and Technologies XXV 11689, 88-96
Advanced Optical Materials & 2D Semiconductors
Layer and Size Distribution Control of CVD-Grown 2D MoS₂ Using ALD-Deposited MoO₃ Structures as the Precursor. M. Demirtaş, C. Odacı, Y. Shehu, N.K. Perkgöz, F. Ay. Materials Science in Semiconductor Processing, Vol. 108, pp. 104880 (2020).
MoS₂ Phototransistor Sensitized by Colloidal Semiconductor Quantum Wells. H. Sar, N. Taghipour, I.W. Lisheshar, S. Delikanli, M. Demirtaş, H.V. Demir, … Advanced Optical Materials, Vol. 8, No. 24, pp. 2001198 (2020).
Investigation of Thermal Annealing Effects on MoO₃ Thin Film by Atomic Layer Deposition. M. Demirtaş. Optical and Quantum Electronics, Vol. 53, No. 2, pp. 79 (2021).
LiDAR-Specific Applications
FDTD Simulations on The Single-Mode Operation of SiON-Doped Si Waveguides for LIDAR Applications. T.E.T. Iremnur Duru, A.K. Sanli, M. Ari, A. Karatutlu, M. Demirtaş. ELECO (2025).
Design and Optimization of Oxide Material-Based Single-Mode Rib Waveguides for Photonic Integrated Circuits. H. Gencal, M. Demirtaş, U. Aydemir. Balkan Journal of Electrical and Computer Engineering, Vol. 13, No. 3, pp. 279-285 (2025).
Lithium Niobate-Based Single-Mode Rib Waveguide: Design and Parameter Optimization. H. Gencal, M. Demirtaş, U. Aydemir. 2025 9th International Symposium on Innovative Approaches in Smart Technologies (2025).
Enhancing InGaN LED Performance via ALD-Grown Al₂O₃ Sidewall Passivation. H.M. Bayramlı, M. Genc, O. Yücel, B. Bulut, A. Bek, M. Demirtas. Physica Scripta, Vol. 100, No. 4, pp. 045902 (2025).
