NOVELTY – The network has a central office (CO) for generating emission of a modulated wave in a laser mode and emission of a continuous wave. A remote node (RN) comprises an optical coupler arranged in an optical circulator. A multimode laser-type fabry perot is inserted to an optical injection part by a demultiplexer (4). An optical network unit comprises a photodiode for filtering an electrical strip. An amplifier and a semiconductor reflective optical unit are provided in active condition. An optical fiber (3) interlinks the central office and the remote node. USE – Wave length division multiplexing passive optical network i.e. telecommunication network. ADVANTAGE – The network increases amplification of a sign to be addressed to end users, reuse of wave length and increase relationship of sign/noise. The network improves performance of wave length division multiplexing access beyond transmission of a full-duplex signal. The network reduces number of fibers. DESCRIPTION OF DRAWING(S) – The drawing shows a block diagram of a wave length division multiplexing passive optical network. Central office (CO) Remote node (RN) Optical channel (1) Optical multiplexer (2) Optical fiber (3) Demultiplexer (4)

Main Application Field

V07 (Fibre-optics and Light Control); W01 (Telephone and Data Transmission Systems); W02 (Broadcasting, Radio and Line Transmission Systems)

INVENTORS:

CHIUCHIARELLI ANDREA
GALLEP CRISTIANO DE MELLO
CONFORTI EVANDRO

765_ENLACES

Patent number: BR102014018890-A2

PATENT STATUS:

For information contact Inova Unicamp

FOR ADDITIONAL INFORMATION:

parcerias@inova.unicamp.br

+55 (19) 3521-5207 / 2607

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