Near-infrared nanospectroscopy using a low-noise supercontinuum source
Unlocking the true potential of optical spectroscopy on the nanoscale requires development of stable and low-noise laser sources. Here, we have developed a low-noise supercontinuum (SC) source based on an all-normal dispersion fiber pumped by a femtosecond fiber laser and demonstrate high resolution...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2021-06-01
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| Series: | APL Photonics |
| Online Access: | http://dx.doi.org/10.1063/5.0050446 |
| _version_ | 1819155084176523264 |
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| author | Korbinian J. Kaltenecker Shreesha Rao D. S. Mattias Rasmussen Henrik B. Lassen Edmund J. R. Kelleher Enno Krauss Bert Hecht N. Asger Mortensen Lars Grüner-Nielsen Christos Markos Ole Bang Nicolas Stenger Peter Uhd Jepsen |
| author_facet | Korbinian J. Kaltenecker Shreesha Rao D. S. Mattias Rasmussen Henrik B. Lassen Edmund J. R. Kelleher Enno Krauss Bert Hecht N. Asger Mortensen Lars Grüner-Nielsen Christos Markos Ole Bang Nicolas Stenger Peter Uhd Jepsen |
| author_sort | Korbinian J. Kaltenecker |
| collection | DOAJ |
| description | Unlocking the true potential of optical spectroscopy on the nanoscale requires development of stable and low-noise laser sources. Here, we have developed a low-noise supercontinuum (SC) source based on an all-normal dispersion fiber pumped by a femtosecond fiber laser and demonstrate high resolution, spectrally resolved near-field measurements in the near-infrared (NIR) region. Specifically, we explore the reduced-noise requirements for aperture-less scattering-type scanning near-field optical microscopy (s-SNOM), including inherent pulse-to-pulse fluctuation of the SC. We use our SC light source to demonstrate the first NIR, spectrally resolved s-SNOM measurement, a situation where state-of-the-art commercial SC sources are too noisy to be useful. We map the propagation of surface plasmon polariton (SPP) waves on monocrystalline gold platelets in the wavelength region of 1.34–1.75 μm in a single measurement, thereby characterizing experimentally the dispersion curve of the SPP in the NIR. Our results represent a technological breakthrough that has the potential to enable a wide range of new applications of low-noise SC sources in near-field studies. |
| first_indexed | 2024-12-22T15:31:17Z |
| format | Article |
| id | doaj.art-20b1de913e84456482e33e3c090a2ffa |
| institution | Directory Open Access Journal |
| issn | 2378-0967 |
| language | English |
| last_indexed | 2024-12-22T15:31:17Z |
| publishDate | 2021-06-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | APL Photonics |
| spelling | doaj.art-20b1de913e84456482e33e3c090a2ffa2022-12-21T18:21:22ZengAIP Publishing LLCAPL Photonics2378-09672021-06-0166066106066106-1010.1063/5.0050446Near-infrared nanospectroscopy using a low-noise supercontinuum sourceKorbinian J. Kaltenecker0Shreesha Rao D. S.1Mattias Rasmussen2Henrik B. Lassen3Edmund J. R. Kelleher4Enno Krauss5Bert Hecht6N. Asger Mortensen7Lars Grüner-Nielsen8Christos Markos9Ole Bang10Nicolas Stenger11Peter Uhd Jepsen12DTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkNano-Optics and Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, D-97074 Würzburg, GermanyNano-Optics and Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, D-97074 Würzburg, GermanyCenter for Nanostructured Graphene, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkDTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, DenmarkUnlocking the true potential of optical spectroscopy on the nanoscale requires development of stable and low-noise laser sources. Here, we have developed a low-noise supercontinuum (SC) source based on an all-normal dispersion fiber pumped by a femtosecond fiber laser and demonstrate high resolution, spectrally resolved near-field measurements in the near-infrared (NIR) region. Specifically, we explore the reduced-noise requirements for aperture-less scattering-type scanning near-field optical microscopy (s-SNOM), including inherent pulse-to-pulse fluctuation of the SC. We use our SC light source to demonstrate the first NIR, spectrally resolved s-SNOM measurement, a situation where state-of-the-art commercial SC sources are too noisy to be useful. We map the propagation of surface plasmon polariton (SPP) waves on monocrystalline gold platelets in the wavelength region of 1.34–1.75 μm in a single measurement, thereby characterizing experimentally the dispersion curve of the SPP in the NIR. Our results represent a technological breakthrough that has the potential to enable a wide range of new applications of low-noise SC sources in near-field studies.http://dx.doi.org/10.1063/5.0050446 |
| spellingShingle | Korbinian J. Kaltenecker Shreesha Rao D. S. Mattias Rasmussen Henrik B. Lassen Edmund J. R. Kelleher Enno Krauss Bert Hecht N. Asger Mortensen Lars Grüner-Nielsen Christos Markos Ole Bang Nicolas Stenger Peter Uhd Jepsen Near-infrared nanospectroscopy using a low-noise supercontinuum source APL Photonics |
| title | Near-infrared nanospectroscopy using a low-noise supercontinuum source |
| title_full | Near-infrared nanospectroscopy using a low-noise supercontinuum source |
| title_fullStr | Near-infrared nanospectroscopy using a low-noise supercontinuum source |
| title_full_unstemmed | Near-infrared nanospectroscopy using a low-noise supercontinuum source |
| title_short | Near-infrared nanospectroscopy using a low-noise supercontinuum source |
| title_sort | near infrared nanospectroscopy using a low noise supercontinuum source |
| url | http://dx.doi.org/10.1063/5.0050446 |
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