Reference-free dual-comb spectroscopy with inbuilt coherence
We demonstrate a simple system for dual-comb spectroscopy based on two inherently coherent optical frequency combs generated via seeded parametric down-conversion. The inbuilt coherence is established by making the two combs share a common comb line. We show that the inbuilt coherence makes it possi...
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| Main Authors | , , , , |
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| Format | Journal Article |
| Language | English |
| Published |
06.05.2024
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| Abstract | We demonstrate a simple system for dual-comb spectroscopy based on two
inherently coherent optical frequency combs generated via seeded parametric
down-conversion. The inbuilt coherence is established by making the two combs
share a common comb line. We show that the inbuilt coherence makes it possible
to use a simple numerical post-processing procedure to compensate for small
drifts of the dual-comb interferogram arrival-time and phase. This enables
long-time coherent averaging of the interferograms. |
|---|---|
| AbstractList | We demonstrate a simple system for dual-comb spectroscopy based on two
inherently coherent optical frequency combs generated via seeded parametric
down-conversion. The inbuilt coherence is established by making the two combs
share a common comb line. We show that the inbuilt coherence makes it possible
to use a simple numerical post-processing procedure to compensate for small
drifts of the dual-comb interferogram arrival-time and phase. This enables
long-time coherent averaging of the interferograms. |
| Author | Vainio, Markku Roiz, Mikhail Uotila, Touko Larnimaa, Santeri Narhi, Mikko |
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| BackLink | https://doi.org/10.48550/arXiv.2405.03182$$DView paper in arXiv |
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| Snippet | We demonstrate a simple system for dual-comb spectroscopy based on two
inherently coherent optical frequency combs generated via seeded parametric... |
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| Title | Reference-free dual-comb spectroscopy with inbuilt coherence |
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