Uğur Teğin, Ph.D.

Hi! I am a postdoctoral researcher at Caltech Optical Imaging Laboratory.

My research focuses on spatiotemporal nonlinear fiber optics for a variety of applications including ultrafast lasers, photonic neural networks and optical computing.


Get in touch at tegin[at]caltech.edu

Current affiliation & Education

Postdoctoral researcher, California Institute of Technology, 2021-Current

Department: Department of Medical Engineering

Advisor: Prof. Lihong Wang

Group: Caltech Optical Imaging Laboratory

PhD, Photonics, Swiss Federal Institute of Technology Lausanne (EPFL), 2018-2021

Thesis title: Exploring nonlinearities in multimode optical fibers for lasers and computing

Advisors: Prof. Demetri Psaltis and Prof. Christophe Moser

MSc, Material Science & Nanotechnology, Bilkent University, 2016-2018

BS, Physics, Bilkent University, 2011-2015

Thesis title: Spatiotemporal nonlinear dynamics in graded-index multimode fibers

Advisor: Prof. Bülend Ortaç

Journal Covers

Scalable Optical Learning Operator, Nature Computational Science 1 (8), 542-549, 2021

Cover of Nature Computational Science Vol. 1 Iss. 8.

Spatiotemporal self-similar fiber laser, Optica 6 (11), 1412-1415, 2019

Cover of Optica Vol. 6 Iss. 11.

Selected papers

Scalable Optical Learning Operator, Nature Computational Science 1 (8), 542-549, 2021

Optical nonlinear interactions for optical computing, information processing and artificial intelligence. Cover of Nature Computational Science Vol. 1 Iss. 8. Link to paper

Predicting spatiotemporal nonlinear dynamics in multimode fibre optics with a recurrent neural network, Nature Machine Intelligence 3 (5), 387-391, 2021

On teaching nonlinear beam propagation in multimode fibers to recurrent neural networks to replace time-consuming simulations. Link to paper

Single-mode output by controlling the spatiotemporal nonlinearities in mode-locked femtosecond multimode fiber lasers, Advanced Photonics 2 (5), 1-8, 2020

Nonlinear beam cleaning for high-energy, ultrashort pulses. Link to paper

Controlling spatiotemporal nonlinearities in multimode fibers with deep neural networks, APL Photonics 5 (3), 030804, 2019

Learning and controlling nonlinear wavelength generation with artificial intelligence. Link to paper

Spatiotemporal self-similar fiber laser, Optica 6 (11), 1412-1415, 2019

First observation of similariton pulses in a multimode laser cavity. Cover of Optica Vol. 6 Iss. 11. Link to paper

All-fiber all-normal-dispersion femtosecond laser with nonlinear multimodal interference based saturable absorber, Optics Letters 43 (7), 1611-1614, 2018

A novel approach to achieve all-fiber dissipative soliton mode locking with a simple and low-cost design. Link to paper