Passive optical network

Details Passive optical network Passive optical network

2005-08-02

2008-11-04

Leung, Christina Y (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S063000, C398S072000, C398S168000

Reexamination Certificate

active

07447435

ABSTRACT:
Disclosed is a passive optical network comprising a central office including a plurality of first reflective semiconductor optical amplifiers of a quantum-dot type, each of which generates a wavelength-seeded downstream optical signal on a downstream channel of a corresponding wavelength, a plurality of optical network units each of which includes a second reflective semiconductor optical amplifier of a multi-quantum-well type, the second reflective semiconductor optical amplifier generating a wavelength-seeded upstream optical signal on an upstream channel of a corresponding wavelength and a remote node for outputting the downstream optical signals to corresponding optical network units, and multiplexing and outputting the upstream optical signals to the central office.

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patent: WO 03/63401 (2003-07-01), None

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