Experimental Observation of Optical Frequency Combs in Doubly Resonant Second Harmonic Generation

Iolanda Ricciardi,Stefan Wabnitz,Francois Leo,Tobias Hansson,Miro Erkintalo,Simona Mosca,Paolo De Natale,Ady Arie,Maria Parisi,Maurizio De Rosa,Pasquale Maddaloni

doi:10.1109/cleoe-eqec.2019.8872235

Experimental Observation of Optical Frequency Combs in Doubly Resonant Second Harmonic Generation

Iolanda Ricciardi, Stefan Wabnitz + Show 9 more

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https://doi.org/10.1109/cleoe-eqec.2019.8872235

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Publication Date: Jun 1, 2019

Citations: 4

Affiliation: Istituto Nazionale di Ottica, Sapienza University of Rome, Linköping University, The Dodd-Walls Centre for Photonic and Quantum Technologies, University of Auckland, Tel Aviv University

#Generation Of Optical Frequency Combs #Resonant Second Harmonic Generation + Show 8 more

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Abstract

Continuously-driven microresonators, whose nonlinear response is dominated by the third-order Kerr nonlinearity, have proven to be valid alternatives to comb sources based on femtosecond mode-locked lasers [1]. More recenlty, the direct generation of optical frequency combs (OFCs) entirely through quadratic interactions has also been demonstrated in singly resonant cavity second harmonic generation (SHG) and in cw pumped nearly degenerate optical parametric oscillation [2,3]. Interestingly, theoretical studies on doubly resonant cavity SHG predicted the emergence of OFCs with a much lower threshold with respect to the singly resonant configurations, as well as rich nonlinear dynamics [4].

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