Author
Listed:
- Bart Kuyken
(Photonics Research Group, Ghent University–imec
Center for Nano- and Biophotonics (NB-Photonics), Ghent University)
- Takuro Ideguchi
(Max Planck Institut für Quantenoptik)
- Simon Holzner
(Max Planck Institut für Quantenoptik
Ludwig-Maximilians-Universität München, Fakultät für Physik)
- Ming Yan
(Max Planck Institut für Quantenoptik
Ludwig-Maximilians-Universität München, Fakultät für Physik)
- Theodor W. Hänsch
(Max Planck Institut für Quantenoptik
Ludwig-Maximilians-Universität München, Fakultät für Physik)
- Joris Van Campenhout
(imec)
- Peter Verheyen
(imec)
- Stéphane Coen
(The University of Auckland)
- Francois Leo
(Photonics Research Group, Ghent University–imec
Center for Nano- and Biophotonics (NB-Photonics), Ghent University)
- Roel Baets
(Photonics Research Group, Ghent University–imec
Center for Nano- and Biophotonics (NB-Photonics), Ghent University)
- Gunther Roelkens
(Photonics Research Group, Ghent University–imec
Center for Nano- and Biophotonics (NB-Photonics), Ghent University)
- Nathalie Picqué
(Max Planck Institut für Quantenoptik
Ludwig-Maximilians-Universität München, Fakultät für Physik
Institut des Sciences Moléculaires d’Orsay, CNRS)
Abstract
Laser frequency combs, sources with a spectrum consisting of hundred thousands evenly spaced narrow lines, have an exhilarating potential for new approaches to molecular spectroscopy and sensing in the mid-infrared region. The generation of such broadband coherent sources is presently under active exploration. Technical challenges have slowed down such developments. Identifying a versatile highly nonlinear medium for significantly broadening a mid-infrared comb spectrum remains challenging. Here we take a different approach to spectral broadening of mid-infrared frequency combs and investigate CMOS-compatible highly nonlinear dispersion-engineered silicon nanophotonic waveguides on a silicon-on-insulator chip. We record octave-spanning (1,500–3,300 nm) spectra with a coupled input pulse energy as low as 16 pJ. We demonstrate phase-coherent comb spectra broadened on a room-temperature-operating CMOS-compatible chip.
Suggested Citation
Bart Kuyken & Takuro Ideguchi & Simon Holzner & Ming Yan & Theodor W. Hänsch & Joris Van Campenhout & Peter Verheyen & Stéphane Coen & Francois Leo & Roel Baets & Gunther Roelkens & Nathalie Picqué, 2015.
"An octave-spanning mid-infrared frequency comb generated in a silicon nanophotonic wire waveguide,"
Nature Communications, Nature, vol. 6(1), pages 1-6, May.
Handle:
RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7310
DOI: 10.1038/ncomms7310
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