Dr. Ugur Tegin Profile

Dr. Ugur Tegin

Assistant Professor at Koc University

SPIE Involvement:

Conference Program Committee | Author

SPIE Journal Paper | 25 January 2024 Open Access

Programming nonlinear propagation for efficient optical learning machines

Ilker Oguz, Jih-Liang Hsieh, Niyazi Ulas Dinc, Uğur Teğin, Mustafa Yildirim, Carlo Gigli, Christophe Moser, Demetri Psaltis

AP, Vol. 6, Issue 01, 016002, (January 2024) https://doi.org/10.1117/12.10.1117/1.AP.6.1.016002

KEYWORDS: Computer programming, Education and training, Nonlinear optics, Wavefronts, Spatial light modulators, Artificial neural networks, Geometrical optics, Image classification, Mathematical optimization, Photonics

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Proceedings Article | 28 September 2023 Presentation

Nonlinear spatiotemporal optical computing

Ugur Tegin, Mustafa Yildirim, Ilker Oguz, Christophe Moser, Demetri Psaltis

Proceedings Volume PC12655, PC126550G (2023) https://doi.org/10.1117/12.2677238

KEYWORDS: Nonlinear optics, Optical computing, Machine learning, Spatial light modulators, X-rays, X-ray imaging, Speech recognition, Multimode fibers, Lung, Interfaces

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Proceedings Article | 3 October 2022 Presentation

Programming nonlinearities inside multimode fibers for optical computing (Conference Presentation)

Ilker Oguz, Jih-Liang Hsieh, Niyazi Ulas Dinc, Ugur Tegin, Mustafa Yildirim, Carlo Gigli, Christophe Moser, Demetri Psaltis

Proceedings Volume PC12225, PC1222501 (2022) https://doi.org/10.1117/12.2632627

KEYWORDS: Multimode fibers, Optical computing, Computer programming, Wavefronts, Nonlinear optics, Machine learning, Electro optical modeling, Transistors, Sensors, Semiconductor lasers

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Proceedings Article | 9 March 2022 Presentation

Scalable nonlinear optical computing with multimode fibers

Ugur Tegin, Mustafa Yildirim, Ilker Oguz, Jih-Liang Hsieh, Christophe Moser, Demetri Psaltis

Proceedings Volume PC12019, PC120190F (2022) https://doi.org/10.1117/12.2607726

KEYWORDS: Multimode fibers, Nonlinear optics, Neural networks, X-rays, X-ray optics, X-ray imaging, Picosecond phenomena, Optical signal processing, Optical computing, Machine learning

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Proceedings Article | 1 August 2021 Presentation

Spatial beam cleaning in mode-locked multimode fiber lasers

Christophe Moser, Ugur Tegin, Babak Rahmani, Eirini Kakkava, Demetri Psaltis

Proceedings Volume 11825, 118250Q (2021) https://doi.org/10.1117/12.2594838

KEYWORDS: Mode locking, Multimode fibers, Fiber lasers, Oscillators, Laser resonators, Ultrafast phenomena, Solitons, Optical testing, Optical resonators, Laser beam propagation

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Proceedings Article | 1 August 2021 Presentation

Optical computing with multimode fiber nonlinearities

Ugur Tegin, Mustafa Yildirim, Ilker Oguz, Christophe Moser, Demetri Psaltis

Proceedings Volume 11804, 118040F (2021) https://doi.org/10.1117/12.2594821

KEYWORDS: Multimode fibers, Optical computing, Nonlinear optics, Neural networks, X-rays, X-ray optics, X-ray imaging, Structured optical fibers, Picosecond phenomena, Optical signal processing

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Proceedings Article | 5 March 2021 Presentation + Paper

Multimode fiber projector with neural networks

Babak Rahmani, Damien Loterie, Eirini Kakkava, Navid Borhani, Ugur Tegin, Demetri Psaltis, Christophe Moser

Proceedings Volume 11652, 116520L (2021) https://doi.org/10.1117/12.2582517

KEYWORDS: Projection systems, Neural networks, Multimode fibers, Interferometry, Image transmission, Computing systems, Cameras, Calibration, Wavefronts, Tissues

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SPIE Journal Paper | 16 October 2020 Open Access

Single-mode output by controlling the spatiotemporal nonlinearities in mode-locked femtosecond multimode fiber lasers

Ugur Tegin, Babak Rahmani, Eirini Kakkava, Demetri Psaltis, Christophe Moser

AP, Vol. 2, Issue 05, 056005, (October 2020) https://doi.org/10.1117/12.10.1117/1.AP.2.5.056005

KEYWORDS: Mode locking, GRIN lenses, Multimode fibers, Fiber lasers, Dispersion, Pulsed laser operation, Oscillators, Optical simulations, Computer simulations, Wave propagation

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Proceedings Article | 11 March 2020 Presentation

Ugur Tegin, Eirini Kakkava, Babak Rahmani, Demetri Psaltis, Christophe Moser

Proceedings Volume 11260, 112600S (2020) https://doi.org/10.1117/12.2544432

KEYWORDS: Fiber lasers, Mode locking, Multimode fibers, Fiber amplifiers, Optical amplifiers, Ytterbium, Picosecond phenomena, Optical simulations, Laser beam propagation, Beam shaping

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Showing 5 of 9 publications

Conference Committee Involvement (1)

Emerging Topics in Artificial Intelligence (ETAI) 2024

18 August 2024 | San Diego, California, United States

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