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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kinoshita; Susumu
Address:
Plano, TX
No. of patents:
42
Patents:












Patent Number Title Of Patent Date Issued
7970278 Flexible open ring optical network and method June 28, 2011
A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include
7957644 Flexible open ring optical network and method June 7, 2011
A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include
7826743 Optical ring network for extended broadcasting November 2, 2010
An optical network includes an access ring, a local ring, one or more add/drop nodes (ADNs), a first gateway and a second gateway. The access ring couples the plurality of gateways and transmits optical signals to and from the gateways, the optical signals comprising multiple wavelen
7787763 System and method for protecting optical light-trails August 31, 2010
Providing protection for a network includes establishing a light-trail through a sequence of nodes of an optical network, where the sequence of nodes is coupled by a first fiber and by a second fiber. Traffic is communicated through a plurality of connections of the light-trail, where
7664391 Method and system for shared optical regeneration February 16, 2010
An optical network includes an optical ring that is capable of transmitting, between two or more nodes, a plurality of working traffic streams that include traffic transmitted in one of a plurality of wavelengths. A node is capable of transmitting, in a first wavelength, a first prot
7616891 System and method for transmission and reception of traffic in optical light-trails November 10, 2009
An optical network is provided that carries optical traffic in multiplexed wavelengths between a number of nodes. The network includes at least one light-trail associated with one of the wavelengths and established between a subset of the nodes in the network. The network also includes
7609966 Method and system for time-sharing transmission frequencies in an optical network October 27, 2009
An optical communication system includes an optical ring that couples a hub node and a plurality of local nodes. The hub node is capable of receiving traffic over the optical ring from the plurality of local nodes on a transmitting wavelength and transmitting traffic over the optical
7603035 Method and system for a data centric architecture in an optical network October 13, 2009
A method and system for a data centric architecture in an optical network are provided. In one embodiment, a method and system for a data centric architecture in an optical network includes an optical ring. A number of local nodes are coupled to the optical ring and are configured to rec
7515828 System and method for implementing optical light-trails April 7, 2009
An optical network is disclosed that carries optical traffic in multiplexed wavelengths between a number of nodes. The network includes at least one light-trail associated with one of the wavelengths and established between a convener node and an end node, and including one or more i
7483637 Optical ring network with optical subnets and method January 27, 2009
In one embodiment, a method of passively adding traffic from a first optical network to a second optical network includes receiving ingress traffic from an optical ring of the first network at a node coupled to the first network, generating a first and second copy of the traffic, pas
7483636 Optical network with sub-band rejection and bypass January 27, 2009
A method of transporting traffic on an optical ring includes, at one or more nodes coupled to the optical ring, splitting an incoming signal (including traffic in a plurality of sub-bands) into a first signal and a second signal. The first signal includes the traffic in a first sub-band
7480092 Optical amplification method and device usable with bands other than the C-band January 20, 2009
An optical amplifier includes an optical amplification medium, an excitation source to stimulate the amplification medium to output at least one wavelength gain peak, and a gain equalizer to equalize the output of the amplification medium such that gain is produced at wavelengths oth
7477844 Method and system for utilizing virtual local access network addressing in optical networks January 13, 2009
An optical network includes an optical ring, a plurality of local nodes, and a data center node. The plurality of local nodes are coupled to the optical ring and each local node is capable of receiving traffic from a local client and associating a transmitter tag with the traffic. The
7466917 Method and system for establishing transmission priority for optical light-trails December 16, 2008
An optical network is operable to carry optical traffic in a plurality of wavelengths between a plurality of nodes. The optical network includes a light-trail, a convener node, one or more intervening nodes, and an end node. The light-trail is established in the optical network between t
7400440 Method and system for determining gain for an optical signal July 15, 2008
A method for determining gain for an optical signal includes measuring a first power level that is an output power level of an optical signal at a first optical node, communicating the optical signal to a second optical node, and communicating the first power level to the second optical
7394589 Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) sig July 1, 2008
A Raman amplifier providing a wideband gain for use in a wavelength division multiplexing (WDM) optical communication system. In one embodiment, a first optical amplifier Raman amplifies a wavelength division multiplexed signal light in both a first wavelength band and a second wavel
7379235 Reducing polarization dependence of a wavelength dispersion variation monitor May 27, 2008
Reducing polarization dependence of a dispersion variation monitor includes receiving an optical signal. The optical signal is split into a first polarized signal having first photons and a second polarized signal having second photons. The first photons are received at a first material
7369765 Optical network with selective mode switching May 6, 2008
A method for communicating optical traffic in a network comprising a plurality of network nodes includes receiving traffic to be added to the network at a network node. The network is operable to communicate received traffic in an optical signal comprising one or more channels. The m
7321729 Optical ring network with selective signal regeneration and wavelength conversion January 22, 2008
An optical network includes an optical ring having a plurality of subnets. The subnets each include one or more add/drop nodes that are coupled to the optical ring and that passively add and drop traffic to and from the optical ring in one or more wavelengths. The optical network also
7305184 Method and system for management of directly connected optical components December 4, 2007
A method for management of directly connected optical components includes receiving a source optical signal for communication to an optical network. The source optical signal comprises one or more source channels. The method includes monitoring optical traffic communicated on the opt
7283750 System and method for setting a tunable filter in an optical network October 16, 2007
A method and a system for setting a tunable filter in an optical network are provided. In one embodiment, a method for setting a tunable filter in an optical network includes rejecting a reference wavelength using a fixed filter from an input optical signal to generate a passthrough
7283740 Optical ring network with optical subnets and method October 16, 2007
An optical network includes a plurality of subnets. The subnets each include a plurality of add/drop nodes coupled to the optical ring and operable to passively add and drop traffic to and from the optical ring. The network further includes a plurality of gateway nodes. The gateway n
7283739 Multiple subnets in an optical ring network and method October 16, 2007
An optical network includes an optical ring and at least three subnets. Each subnet includes a plurality of add/drop nodes coupled to the optical ring. The add/drop nodes are operable to passively add a first traffic stream in a first direction on the optical ring and a second traffic
7266294 Coupler-based optical cross-connect September 4, 2007
An optical cross-connect includes multiple input ports that each receives an optical input signal and multiple output ports that each output an optical output signal. The optical cross-connect also includes a distributing amplifier associated with each input port that generates multi
7254292 Directing optical channels using a reflective device August 7, 2007
A device for directing one or more optical channels includes one or more micromirror elements. A micromirror element has a mirror and a mirror controller. The mirror is operable to reflect light at a first interaction area to yield a first passband for an optical channel, and to refl
7231148 Flexible open ring optical network and method June 12, 2007
A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include
7200332 System and method for assigning traffic to wavelengths in optical networks April 3, 2007
A system and method for assigning a traffic channel to a wavelength in a multi-ring optical network having bifurcated work and protect wavelengths includes determining a transport direction for the traffic channel in a ring of the multi-ring optical network. An inter/intra ring type of t
7184663 Optical ring network with hub node and method February 27, 2007
An optical network includes an optical ring and a plurality of add/drop nodes coupled to the optical ring. Each of the add/drop nodes is operable to passively add and drop one or more traffic streams to and from the optical ring, and each traffic stream comprises a channel. A hub node
7120360 System and method for protecting traffic in a hubbed optical ring network October 10, 2006
An optical access network includes a first ring and a second ring communicating optical signals in opposite directions. The network also includes an access node coupled to both rings that adds traffic in a first wavelength of a first optical signal communicated on the first ring. Fur
7116905 Method and system for control signaling in an open ring optical network October 3, 2006
A method and system for control signaling in an open ring optical network includes transmitting traffic in an optical ring. At each of a plurality of nodes along the ring, local traffic is passively added to and passively dropped from the connected ring. At each node, an ingress opti
7085496 Passive add/drop amplifier for optical networks and method August 1, 2006
An add/drop node for an optical network comprises a passive splitter to split an ingress signal from the network into a first ingress signal and a second ingress signal. A first amplified splitter stages module is operable to passively split and amplify the first ingress signal into a
7076163 Method and system for testing during operation of an open ring optical network July 11, 2006
The method and system for testing during operation of an open ring network includes opening a ring of the network at the node. Traffic circulating on the ring is dropped in the node to a monitoring element prior to or at the opening of the ring in the node. At the monitoring element, a s
7075712 Combining and distributing amplifiers for optical network and method July 11, 2006
A system for distributing optical signals comprises a plurality of optical splitter stages. The optical splitter stages are each operable to passively split each of one or more optical signals provided to the stage into a plurality of optical signals. At least one of the optional spl
7057149 Method and system for controlling a secondary amplifier with a primary amplifier in an optical n June 6, 2006
A method for controlling an amplifier in an optical network includes determining primary pump power information for a primary amplifier and communicating the primary pump power information to a secondary amplifier coupled to the primary amplifier. The method also includes generating
7027210 Method and system for determining gain for an optical signal April 11, 2006
A method for determining gain for an optical signal includes measuring a first power level that is an output power level of an optical signal at a first optical node, communicating the optical signal to a second optical node, and communicating the first power level to the second optical
7009761 Power tilt compensation using automatic power balance control March 7, 2006
A method for correcting power tilt in an optical signal includes tapping off a representative portion of an optical signal and separating the representative portion into a first signal and a second signal. The first signal includes a first wavelength band and the second signal includes a
7006282 Control system and method for an optical amplifier February 28, 2006
A method and system for controlling the gain of the amplification of an optical signal is provided that includes both electrical feedforward and feedback. In a feedforward portion of an optical amplifier, the method includes receiving an optical signal and measuring an input power. Based
6879434 Distributed raman amplifier for optical network and method April 12, 2005
An optical ring is operable to transport traffic signals between nodes. A Raman pump source is coupled to the optical ring. The Raman pump source is operable to provide pump power to at least a portion of the optical fiber ring. Each node comprises an optical splitter operable to at leas
6842562 Optical add/drop node and method January 11, 2005
An add/drop node (OADN) comprises a network optical fiber carrying a signal on an optical network. A network drop splitter is coupled to the network optical fiber and to stages of drop splitters, the stages of drop splitters being operable to passively split an optical signal from the
6690508 Control system and method for an optical amplifier February 10, 2004
A method and system for controlling the gain of the amplification of an optical signal is provided that includes both electrical feedforward and feedback. In a feedforward portion of an optical amplifier, the method includes receiving an optical signal and measuring an input power. Based
6633429 Optical amplification method and device usable with bands other than the C-band October 14, 2003
An optical amplifier includes an optical amplification medium, an excitation source to stimulate the amplification medium to output at least one wavelength gain peak, and a gain equalizer to equalize the output of the amplification medium such that gain is produced at wavelengths other
6510000 Optical amplifier for wide band raman amplification of wavelength division multiplexed (WDM) sig January 21, 2003
A Raman amplifier providing a wideband gain for use in a wavelength division multiplexing (WDM) optical communication system. In one embodiment, a first optical amplifier Raman amplifies a wavelength division multiplexed signal light in both a first wavelength band and a second wavel










 
 
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