Discrete Multitone Modulation for Short-Reach Mode Division Multiplexing Transmission | PERPUSTAKAAN UNIVERSITAS KATOLIK PARAHYANGAN

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Discrete Multitone Modulation for Short-Reach Mode Division Multiplexing Transmission

Gatto, Alberto - Nama Orang; Parolari, Paola - Nama Orang; Boffi, Pierpaolo - Nama Orang; Rapisarda, Mariangela - Nama Orang;

Spatial division multiplexing (SDM) can support the capacity demand increase in short-range optical link, but the communication is affected by the intermodal crosstalk. In order to target a low-cost energy-efficient solution, we propose to exploit direct modulation and direct detection without MIMO post-processing in a mode division multiplexed (MDM) system. We theoretically analyze the frequency distribution of the crosstalk contributions taking into account that directly modulated sources at the same nominal wavelength are actually characterized by a certain frequency shift. Our model demonstrates that this shift originates a non-uniform beating noise in the frequency domain due to the intermodal crosstalk. We propose to exploit discrete multitone modulation and a guard band in the multicarrier spectrum to cope with the non-uniform crosstalk issue for typical crosstalk values due to present commercial multi-plane light conversion MUX/DEMUX devices and propagation in few few-mode fiber (FMF) kilometers. The model is validated by comparing simulations and experimental results in the case of a 2-mode MDM system. We demonstrate in a pure SDM scenario that, with respect to single mode transmission, the capacity can be increased of 2.3 times in a 10-km FMF link with 4-modes exploiting direct detection, limited-bandwidth directly modulated lasers and commercial mode MUX/DEMUXs.

Ketersediaan

Barcode		Tipe Koleksi	Nomor Panggil	Lokasi	Status
art134522	null	Artikel		Gdg9-Lt3	Tersedia namun tidak untuk dipinjamkan - No Loan

Informasi Detail

Judul Seri: JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.37 No.20, October 15, 2019
No. Panggil: -
Penerbit: : .,
Deskripsi Fisik: p. 5185 - 5192
Bahasa: English
ISBN/ISSN: -
Klasifikasi: -
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: OPTICAL FIBER COMMUNICATION
DISCRETE MULTITONE MODULATION
MODE DIVISION MULTIPLEXING
SPATIAL DIVISION MULTIPLEXING
CROSS-TALK
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Alberto Gatto, Mariangela Rapisarda, Paola Parolari, Pierpaolo Boffi

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