Dielectric Broadband Metasurfaces for Fiber Mode-Multiplexed Communications

Journal Article · Fri Apr 12 00:00:00 EDT 2019 · Advanced Optical Materials

DOI:https://doi.org/10.1002/adom.201801679· OSTI ID:1559636

Nazemosadat, elham ^[1]; Mazur, Mikael ^[1]; Kruk, Sergei ^[2]; Kravchenko, Ivan I.  ^[3]; Carpenter, Joel ^[4]; Schröder, Jochen ^[1]; Andrekson, Peter A. ^[1]; Karlsson, Magnus ^[1]; Kivshar, Yuri ^[2]

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1. Chalmers Univ. of Technology, Gothenburg (Sweden)
2. Australian National Univ., Canberra (Australia)
3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
4. Univ. of Queensland, Brisbane (Australia); School of Information Technology and Electrical Engineering,

A subwavelength-thick spatial-mode multiplexer based on a highly transparent all-dielectric Mie-resonant metasurface is demonstrated with a broadband response covering major optical communication wavelength bands. The metasurface is employed to convert simultaneously each orthogonal polarization of LP₀₁ inputs into individual higher-order TM₀₁ and TE₀₁ vectorial modes, without the need of a polarization diversity setup. This is not feasible using current mode multiplexing approaches. An LP₀₁ polarization-multiplexed 51×64-QAM superchannel, with a 10.3 bits/s/Hz spectral-efficiency and total bit-rate of 13.2 Tb/s, is converted to higher-order modes with the metasurface multiplexer, and then mode-multiplexed data is transmitted over a multimode fiber. The results demonstrate the potential application of these metadevice-based mode multiplexers in space-division multiplexed systems.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Basic Energy Sciences (BES)
• Grant/Contract Number: AC05-00OR22725
• OSTI ID: 1559636
• Journal Information: Advanced Optical Materials, Vol. 7, Issue 14; ISSN 2195-1071
• Publisher: Wiley
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE