Publication

An Ultra-Broadband Gallium Phosphide Optical Parametric Amplifier

Tobias Kippenberg, Johann Emmeram Riemensberger, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova, Alberto Nardi
2025

Abstract

Optical parametric amplification [1], which utilizes material nonlinearities, has long been considered one approach to increase channel capacity, but the technical complexity of systems using highly nonlinear fibers or bulk waveguides restricts their practical usage. Silicon nitride photonic integrated circuits offer tighter confinement and higher Kerr nonlinearity, but their gain and bandwidth are still limited [2], [3].

Official source

https://infoscience.epfl.ch/entities/publication/4b2fa16b-b4ee-4dbf-b64c-e31c19b6d3c9

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An Ultra-Broadband Gallium Phosphide Optical Parametric Amplifier

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An Integrated Gallium Phosphide Optical Parametric Amplifier

A photonic integrated continuous-travelling-wave parametric amplifier

Tunable few-optical cycle pulses and advanced ultrafast spectroscopic techniques