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# Chip-scale-laser-wavelength-conversion.png

## Appears In

                        - Laser-wavelength conversion with nonlinear photonics

**Chip-scale laser-wavelength conversion.**a) Schematic of nonlinear photonic device for laser-wavelength conversion. Top: pump frequency νp conversion to two new frequencies, νs and νi. Bottom: the three frequencies are on-resonance in the microresonator (located at the minimum of the transmission, T, dips) and phase-matched for optimal laser-wavelength conversion. b) Top left: Modelled optical mode in a microresonator for GVD engineering. Top right: Photograph of a 3 mm x 5 mm photonic chip with > 100 microresonators. Bottom: Scanning electron microscope image of multiple microresonators on a single photonic chip. c) Experimental stacked optical spectra demonstrating laser-wavelength conversion tuning at intervals of the microresonator free-spectral-range.

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