REMOTE NODE DEVICE, OPTICAL NETWORK UNIT AND SYSTEM AND COMMUNICATION METHOD THEREOF

REMOTE NODE DEVICE, OPTICAL NETWORK UNIT AND SYSTEM AND COMMUNICATION METHOD THEREOF

A remote node device for mutual communication between optical network units in a passive optical network includes an N×N-arrayed waveguide grating configured to receive upstream optical signal of one of the optical network units and to output this signal as a first optical signal; a 1×2 wavelength d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIAO SIMIAO, GAO ZHENSEN, MU HONGQIAN, CHANG QINGJIANG, GUI LIN
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
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Beschreibung
Zusammenfassung:A remote node device for mutual communication between optical network units in a passive optical network includes an N×N-arrayed waveguide grating configured to receive upstream optical signal of one of the optical network units and to output this signal as a first optical signal; a 1×2 wavelength division multiplexer configured to separate per band the first optical signal to obtain a second optical signal; and a 1×(N−1) power distributor configured to transmit the second optical signal to the corresponding optical network unit through the N×N-arrayed waveguide grating.