Hybrid-integrated diode laser in the visible spectral range

Cornelis A. A. Franken, Albert van Rees*, Lisa V. Winkler, Youwen Fan, Dimitri Geskus, Ronald Dekker, Douwe H. Geuzebroek, Carsten Fallnich, Peter J. M. van der Slot, Klaus-J. Boller

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Generating visible light with wide tunability and high coherence based on photonic integrated circuits is of high interest for applications in biophotonics, precision metrology, and quantum technology. Here we present, to our knowledge, the first demonstration of a hybrid-integrated diode laser in the visible spectral range. Using an AlGaInP optical amplifier coupled to a low-loss Si3N4 feedback circuit based on microring resonators, we obtain a spectral coverage of 10.8 nm around 684.4 nm wavelength with up to 4.8 mW output power. The measured intrinsic linewidth is 2.3±0.2kHz.
Original languageEnglish
Pages (from-to)4904-4907
Number of pages4
JournalOptics letters
Issue number19
Early online date27 Sep 2021
Publication statusPublished - 1 Oct 2021


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