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Parity-Time Anti-Symmetric Parametric Amplifier

Antonosyan, Diana A.; Solntsev, Alexander S.; Sukhorukov, Andrey A.


We describe the process of parametric amplification in a directional coupler of quadratically nonlinear and lossy waveguides, which belong to a class of optical systems with spatial parity-time (PT) symmetry in the linear regime. We identify a distinct spectral parity-time anti-symmetry associated with optical parametric interactions, and show that pump-controlled symmetry breaking can facilitate spectrally selective mode amplification in analogy with PT lasers. We also establish a...[Show more]

CollectionsANU Research Publications
Date published: 2015-06-06
Type: Journal article
Source: Optics Letters
DOI: 10.1364/OL.40.004575


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