Scientific Results – CNR – Istituto Nazionale di Ottica

Quadratic optical frequency combs

Year: 2019

Authors: Wabnitz S., Hansson T., Parra-Rivas P., Leo F., Erkintalo M., Mosca S., Parisi M., Ricciardi I., De Rosa M.

Autors Affiliation: Sapienza Universit� di Roma, Italy; CNR-INO, Istituto Nazionale di Ottica,Italy; Link�ping University, Sweden; OPERA-photonics, Universit� libre de Bruxelles, Belgium; The Dodd-Walls Centre for Photonic and Quantum Technologies, The University of Auckland, New Zealand;

Abstract: Optical frequency comb sources based on quadratic nonlinearities provide an interesting alternative to Kerr combs in terms of reduced pump power requirements and extended
spectral coverage. We review theory and recent experiments of quadratic optical frequency combs based on second-harmonic generation and optical parametric oscillation.

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KeyWords: optical frequency combs;modulation instability; second harmonic genration, optical parametric oscillator