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Seminars»16.11.2017 - Onur Tokel : “In-chip” photonic devices and holography

16.11.2017 - Onur Tokel : “In-chip” photonic devices and holography

“In-chip” photonic devices and holography

Onur Tokel
Department of Physics, Bilkent University, Ankara
16 November 2017, Thursday, 14:40
Cavid Erginsoy Seminar Room, Physics Department, 3rd floor

Abstract: Controlling dynamic phenomena with laser light towards new functionalities is one of the great challenges of modern physics. In addition to fundamental interest, there is great practical motivation since laser-driven self-assembly and nano\micro-fabrication represent very promising approaches for creation of complex, hierarchical materials and devices. This talk will present practical tools that we have been developing by controlling laser-induced behavior arising from the interplay of nonlinear feedback mechanisms. In particular I will present a new class of Si-based devices, i.e., “in-chip” devices, created directly inside silicon wafers, leading to photonic and MEMS applications [1]. Several photonic and holographic applications of 3D laser fabrication will be described, where the controlled laser pulses enable in-chip photonic and holographic capabilities. I will also talk about a novel 3D holographic method which is an offshoot of these efforts.

[1] Tokel, et. al., Nature Photonics 11, 639–645 (2017)