Matches 1 - 21 out of 21


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US20140010555 PON Video Overlay Amplifier Circuit  
An amplifier circuit in a PON and a method for using the same. The amplifier circuit may be used, for example in an ONU of the PON. In order to deal with varying customer requirements and the...
US20080212978 Optical Pulse Regenerator  
An optical pulse regenerator comprising means for broadening the temporal widths and flattening the centre portions of an optical pulse in optical communication using a saturable absorber such as,...
US20150037046 PLASTIC OPTICAL FIBER BUS NETWORK  
An optical network architecture can include a first pair of tapered mixing rods and a second pair of tapered mixing rods. The optical network architecture can also include a first plurality of...
US20090269059 LONG-REACH PASSIVE OPTICAL NETWORK USING REMOTE MODULATION OF AN AMPLIFICATION OPTICAL SIGNAL  
A passive optical network is provided, which includes an optical central office connected to a line termination device by a branch of the network including a passive amplification medium. The...
US20100209117 OPTICAL COMMUNICATION USING SHARED OPTICAL PUMPS  
Cross-distribution of the output pump power from optical pump units amongst multiple amplifier gain stages even in a single direction of an optical link in an optical communications system. For...
US20070058986 OPTICAL NETWORK REGENERATOR BYPASS MODULE AND ASSOCIATED METHOD  
An optical bypass element for an optical communication system. The optical bypass element, formed of an optical interleaver, is positioned in parallel with a regenerator. Data requiring...
US20090097862 Quantum Repeater  
A quantum repeater includes a transmitter portion including a source, a set of matter systems, and an optical system. The source produces a probe pulse in a probe state having components with...
US20100202783 PHASE NOISE SUPPRESSION IN AN OPTICAL SYSTEM  
An optical signal regeneration technique includes receiving optical symbols in a phase-modulation format. The received symbols are converted to symbols in a phase/amplitude-modulation format. A...
US20080089696 QUANTUM COMMUNICATION SYSTEM, QUANTUM REPEATER APPARATUS, QUANTUM REPEATER METHOD, AND COMPUTER PROGRAM PRODUCT  
A quantum repeater apparatus performs an entanglement swapping (ES) process for sharing an EPR pair with another node, and performs an entanglement purification protocol (EPP) process with the...
US20070253718 Optical Add/Drop Amplification Device  
In an optical add/drop amplification device (1) arranged between fibre spans (2, 3) in an optical telecommunications system, comprising a first input amplifier (4), a channel add/drop device (7)...
US20140119743 OPTICAL QPSK SIGNAL REGENERATION AND AMPLIFICATION  
A method for regenerating and amplifying optical signals includes determining a source optical signal, adding a first pump optical signal and a second pump optical signal to the source optical...
US20070065159 All-optical 2R regenerator for multi-channel communication  
An optical 2R regenerator includes a decreasing dispersion optical fiber (DDF), or a Raman pump, or both.
US20050180758 Optical regenerator for high bit rate return-to-zero transmission  
It is propose to use a DI-NOLM comprising an optical loop made of two spools of dispersive fibers with large effective area but of local dispersion of opposite sign and a HLN fiber in between. In...
US20070104491 Optical regenerator in optical fiber communication system  
In an optical fiber communication system, the input power to an all-optical nonlinear device in an optical regenerator is monitored and adjusted such that the regenerator operates at an optimized...
US20110002696 ALL-OPTICAL METHODS AND SYSTEMS  
An all-optical modulation format converter for converting optical data signals modulated in an on-off-keying (OOK) format to a phase-shift-keying (PSK) format. The OOK-to-PSK converter can be...
US20130272702 OPTICAL SIGNAL REGENERATION AND AMPLIFICATION OF M-PSK AND M-QAM MODULATION FORMATS USING RECONFIGURABLE WAVELENGTH SELECTIVE PROCESSORS AND PHASE-SENSITIVE AMPLIFIERS  
A method for regenerating optical signal includes determining a source optical signal to be regenerated, adding a first pump optical signal and a second pump optical signal to the source optical...
US20100266293 RELAY APPARATUS, SIGNAL PROCESSING APPARATUS AND OPTICAL COMMUNICATION SYSTEM  
A relay apparatus including: a first interface 11 that branches an optical signal that is input in a first direction from one side of the optical transmission line, and directs the optical signal...
US20100178063 OPTICAL REGENERATOR AND PHASE ERROR DETECTION UNIT FOR AN OPTICAL REGENERATOR, AND METHOD FOR OPTICAL REGENERATION  
The invention relates to an optical regenerator for a differential phase modulated data signal which comprises, in addition to a unit for bit-by-bit gauge leveling, a unit for the regeneration of...
US20120134683 OPTOELECTRONIC PROCESSING APPARATUS AND PROCESSING METHOD FOR CONSTRAINT INFORMATION  
The invention provides an optoelectronic processing apparatus and methods for processing constraint information. The optoelectronic processing apparatus is applied to the optical transport network...
US20120070156 SEMICONDUCTOR OPTICAL AMPLIFIER  
A semiconductor optical amplifier includes an n-type semiconductor layer, a p-type semiconductor layer an active layer provided between the n-type semiconductor layer and the p-type semiconductor...
US20120057871 Apparatus and Methods for Adaptively Using Signals to Control a Semiconductor Optical Amplifier (SOA)  
An apparatus comprising an optical power splitter, an optical delay line coupled to the optical power splitter, an optical amplifier (OA) coupled to the optical delay line, and an adaptive...

Matches 1 - 21 out of 21