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Conferences > CLEO_Europe > 2023 > ck_4 > ck_4_4
  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper ck_4_4

Towards on-chip ultrafast pulse amplification

Mahmoud A. Gaafar, Kai Wang, Markus Ludwig, Thibault Wildi, Milan Sinobad, Jan Lorenzen, Henry Francis, Michael Geiselmann, Franz X. Kärtner, Sonia M. Garicia-Blanco, Neetesh Singh, and Tobias Herr

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Abstract

Amplification of ultrafast optical signals is key to a large number of applications in photonics. While ultashort pulse amplification is well established in optical gain fibers, it is challenging to achieve in photonic-chip integrated waveguides. Recently, several integrated (quasi-)continuous-wave amplifiers have been demonstrated, based on rare-earth, heterogeneous semiconductor integration or nonlinear parametric gain [1-4]. On-chip amplification of ultrafast pulses, however, remains challenging due to the inherently small mode area and high-optical nonlinearity in integrated waveguides.

© 2023 IEEE

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