Low-crosstalk mode-group demultiplexers based on Fabry-Perot thin-film filters

Low-crosstalk mode-group demultiplexers based on Fabry-Perot thin-film filters

Mode-group multiplexing (MGM) can increase the capacity of short-reach few-mode optical fiber communication links while avoiding complex digital signal processing. In this paper, we present the design and experimental demonstration of a novel mode-group demultiplexer (MG DeMux) using Fabry-Perot (FP...

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Veröffentlicht in:Optics express 2022-10, Vol.30 (22), p.39258-39268
Hauptverfasser: Vanani, Fatemeh Ghaedi, Fardoost, Alireza, Zhang, Yuanhang, Zhu, Zheyuan, Wang, Ning, Alvarado-Zacarias, Juan Carlos, Amezcua-Correa, Rodrigo, Pang, Shuo, Li, Guifang
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container_end_page 39268
container_issue 22
container_start_page 39258
container_title Optics express
container_volume 30
creator Vanani, Fatemeh Ghaedi
Fardoost, Alireza
Zhang, Yuanhang
Zhu, Zheyuan
Wang, Ning
Alvarado-Zacarias, Juan Carlos
Amezcua-Correa, Rodrigo
Pang, Shuo
Li, Guifang
description Mode-group multiplexing (MGM) can increase the capacity of short-reach few-mode optical fiber communication links while avoiding complex digital signal processing. In this paper, we present the design and experimental demonstration of a novel mode-group demultiplexer (MG DeMux) using Fabry-Perot (FP) thin-film filters (TFFs). The MG DeMux supports low-crosstalk mode-group demultiplexing, with degeneracies commensurate with those of graded-index (GRIN) multimode fibers. We experimentally demonstrate this functionality by using a commercial six-cavity TFF that was intended for 100 GHz channel spaced wavelength-division multiplexing (WDM) system.
doi_str_mv 10.1364/OE.467429
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title Low-crosstalk mode-group demultiplexers based on Fabry-Perot thin-film filters
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