Publication
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We demonstrate the first broadband and high gain third-order parametric optical amplifier in a 5.5 cm long GaP waveguide spiral with up to 25 dB net gain off-chip and more than 10 dB amplification over a bandwidth of 140 nm.
Tobias Kippenberg, Johann Emmeram Riemensberger, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova, Alberto Nardi
Christophe Marcel Georges Galland