Dense spectral beam combining of quantum cascade lasers by multiplexing a pair of blazed gratings
A method of compressing spectral bandwidth in spectral beam combining (SBC) of quantum cascade lasers (QCLs) by multiplexing a pair of blazed gratings arranged in a V-shaped configuration is proposed. The spectral interval can be compressed by increasing the number of diffractions via the round-trip propagation between gratings. Experimental results show that the SBC spectral interval of three diffractions is narrowed to 1/3 that of a single diffraction. The SBC power can be further improved within a given spectrum range by increasing the number of QCLs, which provides a feasible scheme to scale the SBC power and the brightness of QCLs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Optics express - 30(2022), 2 vom: 17. Jan., Seite 966-971 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Jun [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Revised 25.02.2022 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OE.446124 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM337408254 |
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| 245 | 1 | 0 | |a Dense spectral beam combining of quantum cascade lasers by multiplexing a pair of blazed gratings |
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| 500 | |a Date Revised 25.02.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a A method of compressing spectral bandwidth in spectral beam combining (SBC) of quantum cascade lasers (QCLs) by multiplexing a pair of blazed gratings arranged in a V-shaped configuration is proposed. The spectral interval can be compressed by increasing the number of diffractions via the round-trip propagation between gratings. Experimental results show that the SBC spectral interval of three diffractions is narrowed to 1/3 that of a single diffraction. The SBC power can be further improved within a given spectrum range by increasing the number of QCLs, which provides a feasible scheme to scale the SBC power and the brightness of QCLs | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Peng, Hangyu |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jingbo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jiye |e verfasserin |4 aut | |
| 700 | 1 | |a Qin, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Ning, Yongqing |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Lijun |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:30 |g year:2022 |g number:2 |g day:17 |g month:01 |g pages:966-971 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1364/OE.446124 |3 Volltext |
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