Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1997-05-16
1999-06-01
Negash, Kinfe-Michael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359152, 359130, H04B 1024, H04J 1402
Patent
active
059092947
ABSTRACT:
A Wavelength Division Multiplexing (WDM) transceiver includes a Wavelength Multiplexer/Demultiplexer (WM/D) having a plurality of inputs (N) and N Amplified Light Emitting (ALED) devices, each ALED device transmitting a wideband optical signal to and receiving an optical signal from a different one of the N inputs of the WM/D transceiver. During transmission, the WM/D selects different wavelengths from ALED signals at each of the N inputs and multiplexes them together into a combined signal at its output. During receiving, the WM/D demultiplexes different wavelengths from a signal received at its output and sends the different wavelengths to each of the N inputs. A WDM system is formed using two WDM transceivers which are connected over an optical link and which alternately transmit and receive signals.
REFERENCES:
patent: 5661585 (1997-08-01), Feldman et al.
Glance et al. "A Single-Fiber WDM Local Access Network Based on Amplified LED Tranceivers", IEEE Photonics Technology Letters, vol. 8, No. 9, Sep. 1996. pp. 1241-1242.
Doerr Christopher Richard
Glance Bernard
Liou Kang-Yih
Lucent Technologies - Inc.
Negash Kinfe-Michael
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