Broadband air-clad LP02 mode converter using a tapered mode transition
Higher-order mode converters that work over a broad wavelength range are needed for various applications. A new, to the best of our knowledge, simple and cost-effective LP02 mode converter is fabricated by tapering a bundle of single-mode fibers. The device excites the LP02 mode in a four-mode step...
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| Veröffentlicht in: | Optics letters 2022-01, Vol.47 (1), p.38-41 |
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| container_title | Optics letters |
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| creator | Mathew, Neethu Mariam Grüner-Nielsen, Lars Wang, Zepeng Rishøj, Lars Søgaard Rottwitt, Karsten |
| description | Higher-order mode converters that work over a broad wavelength range are needed for various applications. A new, to the best of our knowledge, simple and cost-effective LP02 mode converter is fabricated by tapering a bundle of single-mode fibers. The device excites the LP02 mode in a four-mode step index fiber with a mode purity higher than 10 dB. The polarization-dependent cross talk of the device is measured using the S2 technique. The LP02 mode selectivity of the device is measured over the entire C and L bands by selectively launching different modes into the device using a spatial light modulator. |
| doi_str_mv | 10.1364/OL.446055 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 2022-01, Vol.47 (1), p.38-41 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2614239879 |
| source | Optica Publishing Group Journals |
| subjects | Broadband Converters Crosstalk Selectivity Spatial light modulators Tapering |
| title | Broadband air-clad LP02 mode converter using a tapered mode transition |
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