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9 March 2020 SHG and SPDC in a microdisk-based integrated photonic circuit (Conference Presentation)
Iännis Roland, Adrien Borne, Marco Ravaro, Romain De Oliveira, Stephan Suffit, Aristide Lemaître, Ivan Favero, Giuseppe Leo
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Proceedings Volume 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX; 112640M (2020) https://doi.org/10.1117/12.2545537
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
We report on a monolithic photonic chip including a microdisk for chi(2) optical interactions which is evanescently coupled with two suspended waveguides used for pump injection and nonlinear signal collection: one for critical coupling at λω ≈ 1600 nm and the other for critical coupling at λ2ω ≈ 800 nm. Our sources are CW tunable lasers: an external-cavity laser diode at ω and a Ti:Sapphire laser at 2ω, both connected to a microlensed fiber. Thanks to critical coupling at input/output wavelengths, we achieved 11% W−1 SHG efficiency. The same chip enabled us to demonstrate spontaneous parametric down-conversion (SPDC).
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Iännis Roland, Adrien Borne, Marco Ravaro, Romain De Oliveira, Stephan Suffit, Aristide Lemaître, Ivan Favero, and Giuseppe Leo "SHG and SPDC in a microdisk-based integrated photonic circuit (Conference Presentation)", Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 112640M (9 March 2020); https://doi.org/10.1117/12.2545537
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KEYWORDS
Second-harmonic generation
Integrated circuit design
Integrated circuits
Integrated photonics
Photonic integrated circuits
Waveguides
Nonlinear optics
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