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US 9,287,986 B2Granted
Large capacity optical transceiver module
AssigneeElectronics and Telecommunications Research Institute
InventorsJoon Ki Lee, Sae-Kyoung Kang, Joon Young Huh
Life of this patent
Estimating the term…
Abstract
A large capacity optical transceiver module includes: an optical transmitter configured to convert electric signals input from an external source into optical signals to transmit the converted signals, in which the electric signals are directly modulated into optical signals in a plurality of sub groups to be multiplexed; and an optical receiver configured to receive optical signals from the external source, and to convert the received optical signals into electric signals to output the converted signals, in which the optical signals are demultiplexed in a plurality of sub groups to be converted into electric signals.
Claims15
An optical transceiver module, comprising:
- a self-contained optical transmitter configured to convert externally input electric signals into optical signals to transmit the converted input signals, wherein the externally input electric signals are directly modulated into optical signals in a plurality of sub groups to be multiplexed;
- and
- a self-contained optical receiver configured to receive externally input optical signals, and to convert the received optical signals into electric signals to output the converted received signals, wherein optical signals are demultiplexed in a plurality of sub groups to be converted into electric signals,
- wherein the self-contained optical transmitter includes each of:
- a plurality of electric signal conditioners configured to recover the externally input;
- a plurality of laser diode drivers configured to amplify the externally input electric signals recovered by each electric signal conditioner;
- a transmitter optical sub-assembly array, which is grouped into a plurality of sub groups, and is configured to directly modulate electric signals, which are amplified by each laser diode driver in sub groups, into optical signals, and to multiplex the modulated signals;
- and
- an optical MUX configured to multiplex optical signals output for each transmitter optical sub-assembly.
6 more elements
An optical transceiver module, comprising:
- a self-contained optical transmitter configured to convert externally input electric signals into optical signals to transmit the converted signals, wherein the externally input electric signals are externally modulated into optical signals in a plurality of sub groups to be multiplexed;
- and
- a self-contained optical receiver configured to receive externally input optical signals, and to convert the received optical signals into electric signals to output the converted signals, wherein the optical signals are demultiplexed in a plurality of sub groups to be converted into electric signals,
- wherein the self-contained optical transmitter includes each of:
- a plurality of modulator drivers configured to generate driving voltage for external modulation according to the externally input electric signals for each channel;
- a transmitter optical sub-assembly array, which is grouped into a plurality of sub groups, and is configured to externally modulate electrical signals into optical signals in sub groups;
- and
- an optical MUX configured to multiplex optical signals output for each transmitter optical sub-assembly.
5 more elements
An optical transceiver module, comprising:
- a self-contained optical transmitter configured to convert externally input electric signals into optical signals to transmit the converted signals, wherein the externally input electric signals are directly modulated into optical signals in a plurality of sub groups to be multiplexed;
- and
- a self-contained optical receiver configured to receive externally input optical signals, and to convert the received optical signals into electric signals to output the converted received signals, wherein the received optical signals are demultiplexed in a single group, and the demultiplexed optical signals are converted into electric signals for each channel to be amplified,
- wherein the self-contained optical receiver includes one receiver optical sub-assembly, wherein the receiver optical sub-assembly includes each of:
- an optical DMUX configured to divide the received optical signals;
- a plurality of photo diodes configured to detect optical signals divided by the optical DMUX, and to convert the detected optical signals into electric signals for each channel;
- and
- a plurality of transimpedance amplifier configured to amplify electric signals converted by the plurality of photo diodes for each channel.
5 more elements
Dependencies are inferred from the claim text.