Patents Assigned to JDS Uniphase Corporation
  • Publication number: 20160020948
    Abstract: A programmable transceiver for a network element includes a programmable circuit including internal logic and control logic. Interfaces connect the programmable circuit to a network and a network element. The control logic facilitates programming of the internal logic responsive to an in-band program signal while the programmable circuit services network traffic received via at least one of the interfaces.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 21, 2016
    Applicant: JDS Uniphase Corporation
    Inventors: Emmanuelle Marie Josèphe JANZ, Luc CHOUINARD, David George COOMBER
  • Publication number: 20150369980
    Abstract: An optical filter, a sensor device including the optical filter, and a method of fabricating the optical filter are provided. The optical filter includes one or more dielectric layers and one or more metal layers stacked in alternation. The metal layers are intrinsically protected by the dielectric layers. In particular, the metal layers have tapered edges that are protectively covered by one or more of the dielectric layers.
    Type: Application
    Filed: June 18, 2014
    Publication date: December 24, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Georg J. Ockenfuss, Tim Gustafson, Jeffrey James Kuna, Markus Bilger, Richard A. Bradley
  • Publication number: 20150333472
    Abstract: The invention relates to bi-directional long-cavity semiconductor lasers for high power applications having two AR coated facets (2AR) to provide an un-folded cavity with enhanced output power. The lasers exhibit more uniform photon and carrier density distributions along the cavity than conventional uni-directional high-power lasers, enabling longer lasers with greater output power and lasing efficiency due to reduced longitudinal hole burning. Optical sources are further provided wherein radiation from both facets of several 2AR lasers that are disposed at vertically offset levels is combined into a single composite beam.
    Type: Application
    Filed: December 23, 2013
    Publication date: November 19, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Abdullah Demir, Matthew Glenn Peters
  • Patent number: 9164575
    Abstract: Opaque flakes, such as pigment or bright flakes used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. Shaped opaque covert flakes are not readily detectable by causal observation, but in some embodiments are easily seen at 50× magnification. In manufacturing the flakes a sheet of embossed frames are provided having embossed symbols or indicia within. Upon removing a coating from the embossed sheet the coating material tends to break along frame lines or grooves and the resulting flakes are substantially uniform in size. In order to have the flakes break along frame lines or grooves more readily than along the embossing or grooves defining indicia within a frame, the frames are provided with a deeper groove than indicia grooves. As well a groove having a different shaped profile conducive to breakage can be used for the frame grooves whereas a groove having a profile less conducive to breakage can be used to form the indicia grooves.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 20, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Alberto Argoitia, Cornelis Jan Delst, Stacey A. Yamanaka, Wilfred C. Kittler, Jr.
  • Patent number: 9160478
    Abstract: A colorless, directionless ROADM includes a pair of contentioned add and drop wavelength-selective optical switches, an input wavelength-selective optical switch having one input port, and an output wavelength-selective optical switch having one output port. Unintended input-to-output port couplings, which appear in the “contentioned” add and drop switches, can be mitigated by the input and output wavelength-selective optical switches carrying the through traffic.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: October 13, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Peter David Roorda, Sheldon McLaughlin
  • Publication number: 20150288136
    Abstract: An optical transmission link pumped with multiple orders Raman pumps on both ends of the link is disclosed. At least one first-order Raman pump and at least two higher-order Raman pumps are provided on each end for reducing optical power variation of the optical signal along the optical transmission link. Wavelengths and optical power levels of the multiple-order Raman pumps and the additional Raman pump(s) can be selected by computer simulation to lessen the spatial optical power variation of the optical signal.
    Type: Application
    Filed: May 15, 2014
    Publication date: October 8, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Maxim BOLSHTYANSKY, Gregory Cowle
  • Patent number: 9148341
    Abstract: Devices and methods for partially upgrading a programmable pluggable transceiver that is in service using the regular datapaths without degrading the basic transparent, hitless pass-through functionality of the transceiver. The programmable logic gate array can be divided into four generalized parts: core logic for basic transceiver pass-through functionality over the datapaths, upgradeable internal logic, connectivity logic for selectively outputting on the datapaths from the core and internal logics, and control logic for isolating, upgrading and reconnecting the internal logic without affecting the basic transparent hitless pass-through functionality of the transceiver.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: September 29, 2015
    Assignee: JDS UNIPHASE CORPORATION
    Inventors: Emmanuelle Marie Josèphe Janz, Luc Chouinard, David George Coomber
  • Patent number: 9142937
    Abstract: A lasing wavelength of a laser diode is determined by applying a forward current to the p-n junction of the laser diode and measuring a voltage across the p-n junction. The lasing wavelength can be determined by performing a simple wavelength calibration of the laser diode. This allows one to stabilize the lasing wavelength, and also to use the laser diode as a reference wavelength source.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: September 22, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Eberhard Löcklin, Georg Rudolph, Jörg Stooss
  • Patent number: 9141506
    Abstract: A method of monitoring a network with a test device connected to the network includes monitoring a plurality of packets which pass through the test device, comparing a predefined field of each of the plurality of packets to a predefined pattern so as to identify signature packets, evaluating whether the signature packets satisfy a predefined condition, and, if the predefined condition is satisfied, sending a notification to a user. A system implementing the method is provided.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: September 22, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Michael Stevens, Robert D'Eletto
  • Patent number: 9137135
    Abstract: Systems and methods for managing communication in an IP network between a server and a probe that does not maintain an IP address by selectively restricting which IP addresses that are identified as active in the network may be borrowed for the probes. Restriction of IP addresses may include a black list to exclude specific IP addresses, a white list from which IP addresses can be drawn or both. This permits control over which IP addresses may be borrowed by probes, reducing false alarms, alerts or other network concerns caused by unexpected IP traffic on a particular IP address in the network.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: September 15, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Michael Stevens, Samuel M. Bauer, Paul Kingsley
  • Publication number: 20150255949
    Abstract: A leadframe-type packaged laser diode is provided, in which the laser diode chip is electrically decoupled from the package. A leadframe-type package including a two-dimensional grid of electrodes encapsulated in a molded plastic framework allows batch processing of one- or two-dimensional arrays of leadframes, the batch processing including laser diode chips attachment, wirebonding, and packaging, with subsequent breakout of individual packaged laser diodes from the one- or two-dimensional array.
    Type: Application
    Filed: December 18, 2013
    Publication date: September 10, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Kong Weng LEE, Vincent V. WONG
  • Patent number: 9122030
    Abstract: An optical module is provided for mounting in a cage of a host device. The optical module includes at least one optical subassembly (OSA) and a printed circuit board (PCB) supported by a first housing structure. The optical module also includes a latch mechanism, which includes a lever and a latch, as well as a clamp. A pivot pin of the latch is rotatably supported by the first housing structure and the clamp in cooperation. Advantageously, the clamp secures both the OSA and the latch, while providing access to the PCB.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 1, 2015
    Assignee: JDS Uniphase Corporation
    Inventor: Boping Xie
  • Publication number: 20150241690
    Abstract: A wavelength selection switch (1) equipped with: an input/output unit (10) having multiple input/output ports that input/output signal light; a light-collecting mirror (14) arranged in the light path of the signal light from the input/output unit; a dispersion element (13) having a dispersion part and a non-dispersion part that does not have a dispersion effect; and multiple deflection elements (16) arranged in the direction in which the signal light is dispersed. The light-collecting minor (14) causes the signal light from the input/output unit (10) to enter the dispersion part of the dispersion element (13), and the light that is dispersed by the dispersion element (13) is collected in the deflection elements (16) through the non-dispersion part of the dispersion element (13). Furthermore, the deflection elements (16) deflect the collected light such that the light is emitted from a prescribed input/output port of the multiple input/output ports.
    Type: Application
    Filed: March 2, 2012
    Publication date: August 27, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Koji Matsumoto, Satoshi Watanabe
  • Patent number: 9118601
    Abstract: A pluggable transceiver, and its use, looping back Layer 2 and higher data in an Ethernet network element. The transceiver has upstream and downstream datapaths, a logic array having first and second complimentary latching loopback logic blocks (LLBLBs) connected in series through both datapaths. The first LLBLB receiving an upstream datapath frame, comparing it to loopback conditions and looping back the frame on the downstream datapath if the conditions match. If the conditions did not match, the frame is sent to the other LLBLB. The first LLBLB receiving a frame from the second LLB and transmitting it on the upstream datapath with priority over any loop back frames to maintain the upstream throughput requirements of the pluggable transceiver. The second LLBLB operates in mirror image with respect to the datapaths.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: August 25, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Luc Chouinard, David George Coomber, Richard Charles Vieregge, Emmanuelle Marie Josèphe Janz
  • Publication number: 20150229101
    Abstract: An array of laser diode emitters is used as an illumination source for a range imaging system. The laser diode emitters are disposed on a common substrate. When one of the emitters fails, the remaining emitters emit enough light to meet the output optical power specification. The emitters can be disposed with a tight spacing. The tight spacing facilitates packaging of the entire array into a compact single package on a common heat sink.
    Type: Application
    Filed: April 23, 2015
    Publication date: August 13, 2015
    Applicant: JDS Uniphase Corporation
    Inventors: Jay A. Skidmore, Victor Rossin, Pierre Doussiere
  • Patent number: 9102195
    Abstract: In a printed article, pigment flakes are magnetically aligned so as to form curved patterns in a plurality of cross-sections normal a continuous imaginary line, wherein radii of the curved patterns increase along the imaginary line from the first point to the second point. When light is incident upon the aligned pigment flakes from a light source, light reflected from the aligned pattern forms a bright image which appears to gradually change its shape and move from one side of the continuous imaginary line to another side of the continuous imaginary line when the substrate is tilted with respect to the light source.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: August 11, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Vladimir P. Raksha, John Hynes, Laurence Holden, Paul G. Coombs
  • Patent number: 9106353
    Abstract: The invention relates to time synchronization between network testing elements in distributed network monitoring and testing systems, and provides a condensed PTP process wherein the number of timing messages exchanged between master and slave in one iteration of the time synchronization process is reduced. Furthermore, timing messages are encrypted to provide for a more secure synchronization process. One aspect of the method provides for an automatic detection and adaptive handling of protocol stacks of received timing packets.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: August 11, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Canning Hsueh, Michael Stevens, Bob Samway
  • Patent number: 9106520
    Abstract: A method of monitoring packet traffic is provided. The method includes: at a first access point, capturing portions of traffic packets passing therethrough separated by time intervals; encapsulating the portions of traffic packets thereby forming encapsulated packets and adding timestamps to the encapsulated packets so as to preserve the portions of traffic packets and information related to the time intervals; transmitting the encapsulated packets over a network; decapsulating the encapsulated packets so as to obtain replay packets and the capture timestamps, wherein the replay packets include the portions of the traffic packets; and, transmitting the replay packets separated by the time intervals, wherein the timestamps are used to reproduce the time intervals so as to imitate the traffic packets passing through the first access point.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: August 11, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Alistair Scott, Samuel M. Bauer, Michael Stevens
  • Patent number: 9106362
    Abstract: An optical unit for a wavelength-selecting switch according to the present invention comprises: an input port; a dispersion section that produces wavelength dispersion of input light that is input from the input port; a light-collecting element that collects the light dispersed by the dispersion section; an output port; an optical path correction section that shifts the light that is dispersed by the dispersion section; an adjustment section that changes the amount of shift produced by the optical path correction section; and a casing that hermetically seals the input port, dispersion section, light-collecting element, output port, and optical path correction section. The casing has an optically transparent section in a location onto which the light that is collected by the light-collecting element is directed. The adjustment section is arranged outside the casing. The optical path correction section can be controlled from outside the casing by the adjustment section.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: August 11, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Koji Matsumoto, Toshiro Okamura, Satoshi Watanabe, Takeshi Yamazaki
  • Patent number: RE45762
    Abstract: A security image and method of forming said image is disclosed wherein a substrate having an image or indicia thereon is coated with a dilute solution of pigment flakes in an ink or paint. The flakes are subsequently aligned in a magnetic field and are fixed after the field is applied. Most or all of the flakes in a region are aligned so as to be partially upstanding wherein their faces are essentially parallel. Coating the image with flakes yields a latent image which can be clearly seen at a small range of predetermined angles.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 20, 2015
    Assignee: JDS Uniphase Corporation
    Inventors: Vladimir P. Raksha, Cornelis Jan Delst, Paul G. Coombs, Charles T. Markantes, Alberto Argoitia