Title: Time lens induced by optical pushbroom effect
Language: English
Authors: Gaafar, Mahmoud Abdelaziz 
Renner, Hagen 
Eich, Manfred 
Petrov, Alexander  
Issue Date: May-2021
Source: Conference on Lasers and Electro-Optics (CLEO 2021)
Abstract (english): 
We show analytically and by numerical simulation an on-chip time lens based on the optical pushbroom effect. Furthermore, we demonstrate this effect inside a silicon Bragg grating waveguide. A fast free carriers front generated inside the waveguide collects and traps the energy of a signal wave with smaller group velocity tuned near to the band gap of the waveguide with hyperbolic dispersion. The energy of the signal wave is accumulated inside the front and distributed in frequency. The presented effect can be utilized to compress signals in time and space.
Conference: Conference on Lasers and Electro-Optics, CLEO 2021 
URI: http://hdl.handle.net/11420/11107
ISBN: 978-155752820-9
Institute: Optische und Elektronische Materialien E-12 
Document Type: Chapter/Article (Proceedings)
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