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AlGaAs waveguide microresonators for efficient generation of quadratic frequency combs

  Articoli su Riviste JCR/ISI  (anno 2017)

Autori:  Parisi M., Morais N., Ricciardi I., Mosca S., Hansson T., Wabnitz S., Leo G., De Rosa M

Affiliazione Autori:  CNR-INO, Istituto Nazionale di Ottica, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy; Laboratoire Matériaux et Phénomènes Quantiques, Université Paris Diderot & CNRS, Sorbonne Paris Cité, 10 rue Domon et Duquet, 75205 Paris cedex 13, France; INRS-EMT, 1650 Blvd. Lionel-Boulet, Varennes, Québec J3X 1S2, Canada; Dipartimento di Ingegneria dell’Informazione, Università di Brescia, via Branze 38, 25123 Brescia, Italy

Riassunto:  We propose a flexible design for directional quasi-phase-matching in AlGaAs waveguide resonators implementing the recently demonstrated optical frequency combs in cavity-enhanced second-harmonic generation. We numerically study the onset of internally pumped optical parametric oscillations that trigger the subsequent comb formation. We also perform a coherence analysis of a particular class of numerically simulated optical frequency combs, corresponding to stable temporal cavity field patterns, revealing the high degree of coherence associated with such stable solutions, a key feature for many refined applications of optical frequency combs. Our analysis shows that efficient generation of coherent frequency combs is possible with threshold powers in the microwatt range and path lengths up to several millimeters, thus enabling the practical realization of new on-chip frequency comb synthesizers, fully integrable in more complex photonic circuits. (C) 2017 Optical Society of America

Rivista/Giornale:  JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume n.:  34 (9)      Pagine da: 1842  a: 1847
Ulteriori informazioni:  Funding: Ministero dell’Istruzione, dell’Università e della Ricerca (MIUR) (PRIN-2015KEZNYM, FIRB_ RBFR13QUVI); Ministero degli Affari Esteri e della Cooperazione Internazionale (NOICE Joint Laboratory). Acknowledgment: M. D. R. acknowledges support from Consiglio Nazionale delle Ricerche through the Short-Term Mobility Program 2016.
Parole chiave: Nonlinear optical materials - Resonators - Parametric processes
DOI: 10.1364/JOSAB.34.001842


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