Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation
We proposed and experimentally demonstrated a wavelength-space division multiplexing (WSDM) optical access network architecture with centralized optical carrier delivery utilizing multicore fibers (MCFs) and adaptive modulation based on reflective semiconductor amplifier (RSOA). In our experiment, f...
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doaj-05916ab3843a46398095b77b71f5414f2021-03-29T17:24:45ZengIEEEIEEE Photonics Journal1943-06552015-01-01741910.1109/JPHOT.2015.24451037123561Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive ModulationZhenhua Feng0Borui Li1Ming Tang2Lin Gan3Ruoxu Wang4Rui Lin5Zhilin Xu6Songnian Fu7Lei Deng8Weijun Tong9Shengya Long10Lei Zhang11Hongyan Zhou12Rui Zhang13Shuang Liu14Perry Ping Shum15Next Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaState Key Lab. of Opt. Fiber & Cable Manuf. Technol., Yangtze Opt. Fibre & Cable Co. Ltd., Chengdu, ChinaState Key Lab. of Opt. Fiber & Cable Manuf. Technol., Yangtze Opt. Fibre & Cable Co. Ltd., Chengdu, ChinaState Key Lab. of Opt. Fiber & Cable Manuf. Technol., Yangtze Opt. Fibre & Cable Co. Ltd., Chengdu, ChinaState Key Lab. of Opt. Fiber & Cable Manuf. Technol., Yangtze Opt. Fibre & Cable Co. Ltd., Chengdu, ChinaState Key Lab. of Opt. Fiber & Cable Manuf. Technol., Yangtze Opt. Fibre & Cable Co. Ltd., Chengdu, ChinaNext Generation Internet Access Nat. Eng. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, ChinaSch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, SingaporeWe proposed and experimentally demonstrated a wavelength-space division multiplexing (WSDM) optical access network architecture with centralized optical carrier delivery utilizing multicore fibers (MCFs) and adaptive modulation based on reflective semiconductor amplifier (RSOA). In our experiment, five of the outer cores are used for undirectional downstream (DS) transmission only, whereas the remaining outer core is utilized as a dedicated channel to transmit upstream (US) signals. Optical carriers for US are delivered from the optical line terminal (OLT) to the optical network unit (ONU) via the inner core and then transmitted back to the OLT after amplification and modulation by the RSOA in the colorless ONU side. The mobile backhaul (MB) service is also supported by the inner core. Wavelengths used in US transmission should be different from that of the MB in order to avoid the Rayleigh backscattering effect in bidirectional transmission. With quadrature phase-shift keying--orthogonal frequency-division multiplexing (QPSK-OFDM) modulation format, the aggregation DS capacity reaches 250 Gb/s using five outer cores and ten wavelengths, and it can be further scaled to 1 Tb/s using 20 wavelengths modulated with 16 QAM-OFDM. For US transmission, 2.5 Gb/s QPSK-OFDM transmission can be achieved just using a low-bandwidth RSOA, and adaptive modulation is applied to the RSOA to further enhance the US data rate to 3.12 Gb/s. As an emulation of high-speed MB transmission, 48 Gb/s in-phase and quadrature (IQ) modulated popularization division multiplexing (PDM)-QPSK signal is transmitted in the inner core of MCF and coherently detected in the OLT side. Both DS and US optical signals exhibit acceptable performance with sufficient power budget.https://ieeexplore.ieee.org/document/7123561/Optical access networkWSDMMCFadvanced modulation formatsadaptive modulation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhenhua Feng Borui Li Ming Tang Lin Gan Ruoxu Wang Rui Lin Zhilin Xu Songnian Fu Lei Deng Weijun Tong Shengya Long Lei Zhang Hongyan Zhou Rui Zhang Shuang Liu Perry Ping Shum |
spellingShingle |
Zhenhua Feng Borui Li Ming Tang Lin Gan Ruoxu Wang Rui Lin Zhilin Xu Songnian Fu Lei Deng Weijun Tong Shengya Long Lei Zhang Hongyan Zhou Rui Zhang Shuang Liu Perry Ping Shum Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation IEEE Photonics Journal Optical access network WSDM MCF advanced modulation formats adaptive modulation |
author_facet |
Zhenhua Feng Borui Li Ming Tang Lin Gan Ruoxu Wang Rui Lin Zhilin Xu Songnian Fu Lei Deng Weijun Tong Shengya Long Lei Zhang Hongyan Zhou Rui Zhang Shuang Liu Perry Ping Shum |
author_sort |
Zhenhua Feng |
title |
Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation |
title_short |
Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation |
title_full |
Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation |
title_fullStr |
Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation |
title_full_unstemmed |
Multicore-Fiber-Enabled WSDM Optical Access Network With Centralized Carrier Delivery and RSOA-Based Adaptive Modulation |
title_sort |
multicore-fiber-enabled wsdm optical access network with centralized carrier delivery and rsoa-based adaptive modulation |
publisher |
IEEE |
series |
IEEE Photonics Journal |
issn |
1943-0655 |
publishDate |
2015-01-01 |
description |
We proposed and experimentally demonstrated a wavelength-space division multiplexing (WSDM) optical access network architecture with centralized optical carrier delivery utilizing multicore fibers (MCFs) and adaptive modulation based on reflective semiconductor amplifier (RSOA). In our experiment, five of the outer cores are used for undirectional downstream (DS) transmission only, whereas the remaining outer core is utilized as a dedicated channel to transmit upstream (US) signals. Optical carriers for US are delivered from the optical line terminal (OLT) to the optical network unit (ONU) via the inner core and then transmitted back to the OLT after amplification and modulation by the RSOA in the colorless ONU side. The mobile backhaul (MB) service is also supported by the inner core. Wavelengths used in US transmission should be different from that of the MB in order to avoid the Rayleigh backscattering effect in bidirectional transmission. With quadrature phase-shift keying--orthogonal frequency-division multiplexing (QPSK-OFDM) modulation format, the aggregation DS capacity reaches 250 Gb/s using five outer cores and ten wavelengths, and it can be further scaled to 1 Tb/s using 20 wavelengths modulated with 16 QAM-OFDM. For US transmission, 2.5 Gb/s QPSK-OFDM transmission can be achieved just using a low-bandwidth RSOA, and adaptive modulation is applied to the RSOA to further enhance the US data rate to 3.12 Gb/s. As an emulation of high-speed MB transmission, 48 Gb/s in-phase and quadrature (IQ) modulated popularization division multiplexing (PDM)-QPSK signal is transmitted in the inner core of MCF and coherently detected in the OLT side. Both DS and US optical signals exhibit acceptable performance with sufficient power budget. |
topic |
Optical access network WSDM MCF advanced modulation formats adaptive modulation |
url |
https://ieeexplore.ieee.org/document/7123561/ |
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