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Optica Publishing Group
  • Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF)
  • OSA Technical Digest (online) (Optica Publishing Group, 2018),
  • paper NpM4I.8
  • https://doi.org/10.1364/NP.2018.NpM4I.8

Coherent on-chip frequency combs spanning 1.5–7.5 µm for dual-comb spectroscopy

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Abstract

We use suspended-silicon waveguides for low input-power frequency comb generation spanning 2.3 octaves in the mid-infrared (1.5–7.5 µm). We also demonstrate dual-comb spectroscopy of atmospheric absorption at 7.0 µm with comb-line resolution of 100 MHz.

© 2018 The Author(s)

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