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Simultaneous Generation and Processing of Optical Codes for Full-Duplex OCDM-PON

This project focuses on sharing a fiber between up and downlink using the same wavelength for enhanced efficiency and performance. It involves the development of an optical device for simultaneous generation and processing of optical codes. The experiment includes field transmission of DPSK signals over a distance of 100 km with 8 users.

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Simultaneous Generation and Processing of Optical Codes for Full-Duplex OCDM-PON

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  1. Digital Signal Processing Multimedia & Optical Communications Laboratory UNIVERSITA’ ROMA TRE Photonic Networks LaboratoryGraduate School of Engineering OSAKA UNIVERSITY

  2. Full-Duplex OCDM-PON ONU-1 Sharing one fiber between up- and down-link on the same wavelength E/D ONU-2 OLT E/D E/D 1:32 splitter E/D E/D ONU-32 E/D E/D: encoder/decoder PCT/IT03/000879 Dispositivo ottico per la generazione e il processamento simultaneo di codici ottici 30/12/2003

  3. Koganei Koganei Otemachi Tokyo 10.3G DPSK-OCDMA 8 users 100 km field transmission (i) (ii) (iii) (iv) (v) (vi) DPSK signal Downlink 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div] Central station (Koganei) ONU-1 Multi-port Encoder OCDM Rx 1 PPG VOA PC 50km Installed SMF 50km Installed SMF 1 ONU-2 OCDM Tx 1 OCDM Rx 2 Otemachi 3 l:1551nm 10.3125GHｚ Network Analyzer DCF 5 10GbE OCDM Tx 2 8 1:8 splitter 7 l:1551nm 9 HDV Camera Koganei PC3 OCDM Tx 3 11 l:1551nm ONU-8 13 HDV Camera OCDM Rx 8 PC4 OCDM Tx 4 15 l:1551nm Central station (Koganei) Multi-port Decoder ONU-1 PPG OCDM Rx 1 50km Installed SMF 50km Installed SMF 1 OCDM Tx 1 OCDM Rx 2 ONU-2 Otemachi 3 l:1551nm 10.3125GHｚ 5 Network Analyzer DCF 10GbE OCDM Tx 2 7 8 1:8 splitter l:1551nm HDV Camera 9 Koganei OCDM Tx 3 PC3 11 l:1551nm HDV Camera 13 ONU-8 OCDM Tx 4 PC4 OCDM Rx 8 15 l:1551nm (xii) (xi) (x) (ix) (viii) (vii) DPSK signal Uplink 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div] 20 [ps/div]

  4. Figure 3: Experimental set-up and results of 80-Gbit/s optical packet buffering and 100 km transmission. Coloured-optical packet switching

  5. IRCPhoNeT IRCPhoNeT was created in Pisa, Italy, in March 2001 to answer a major demand for integrating education, basic and applied research in the area of optical networks and technologies. IRCPhoNeT is the result of a joint effort of Scuola Superiore Sant'Anna, Pisa, with its Centre of Excellence for Information and Communication Engineering (CEIIC), and of CNIT (Consorzio Nazionale Interuniversitario per le Telecomunicazioni), with its National Laboratory for Photonic Networks (LNRF), in collaboration with former Marconi Communications (now Ericsson).

  6. IRCPhoNeT Funding comes from various sources: Italian Government, industrial partners and European Commission. The Centre is actively participating in European Cooperation actions in Scientific and Technical Research (COST), Network of Excellence and Integrated Projects of the 6th European Framework Program. • Optical Networks & Services • Digital Photonics Subsystems •   Ultra-Fast All-Optical Subsystems • Optical Systems • Optical Amplification & Sensing • Optical Transmission Theory & Techniques  

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