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A photonic assembly, a laser setup comprising said photonic assembly and a method for performing frequency-modulated continuous-wave light detection and ranging using said laser setup are disclosed. The photonic assembly (1) comprises an active photonic chip (10), a photonic modulator chip (2) comprising a photonic circuit arrangement, and a tuning arrangement comprising a modulation element (33) having a thickness of 10 micrometers or less. The active photonic chip (10) and the photonic modulator chip (2) are optically coupled such, that injection radiation at an optical feedback wavelength is generated, which defines at least one optical lasing wavelength at which the optical radiation is emitted by the active photonic chip (10). The modulation element (33) is arranged such, that an actuation of the modulation element (33) tunes the optical feedback wavelength via the Pockels effect, such, that a tuning of the optical feedback wavelength entails a tuning of the optical lasing wavelength.
Kirsten Emilie Moselund, Chang Won Lee
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Tobias Kippenberg, Rui Ning Wang, Andrey Voloshin, Xinru Ji, Zheru Qiu, Andrea Bancora, Yang Liu