Scientific Results

Frequency comb generation in continuously-pumped quadratic nonlinear media

Year: 2015

Authors: Ricciardi I., Mosca S., Parisi M., Maddaloni P., Santamaria L., De Natale P., De Rosa M.

Autors Affiliation: CNR-INO, Istituto Nazionale di Ottica, Via Campi Flegrei 34, Pozzuoli (NA), 80078, Italy; CNR-INO, Istituto Nazionale di Ottica, Largo E. Fermi, 6, Firenze, 50125, Italy

Abstract: We experimentally demonstrated frequency comb generation in a continuously pumped, cavity-enhanced second-harmonic generation system. Our system shows a striking similarity with generation and dynamics of frequency combs in Kerr microresonators, as confirmed by a simple three-wave theoretical model we developed. This analogy unveils the possibility to predict and observe new effects, paving the way for a novel class of highly efficient and versatile frequency comb synthesizers based on second-order nonlinear materials.

Conference title: Fotonica 2015

KeyWords: Harmonic generation; Photonics; Frequency combs; Micro resonators; Nonlinear materials; Optical frequency combs; Parametric process; Quadratic nonlinear media; Second orders; Theoretical modeling; Optical frequency conversion

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