Abstract: The invention provides an optical connector for coupling with a complementary optical connector and for supporting an optical component. The connector comprises a cover moveable between a first and second position. The cover may also comprise a moveable shield and biasing components. There is also provided an optical connector assembly comprising covers that sequentially open. A PCB comprising waveguides and an optical component sub-mount for integrating with the PCB is also presented.

Abstract: Optical connectors may include various portions, or structures, to provide a plurality of degrees of movement to optical ferrules. The optical ferrules may be linearly movable along one or more axes and rotationally moveable about one or more axes for alignment and coupling to corresponding optical ferrules. The optical connectors may be integrated with, or in conjunction with, other non-optical connectors such as electrical connectors, e.g., located on a drive carrier.

Abstract: Apparatus and method for providing a non-volatile fault indication in a multi-device storage enclosure. In some embodiments, a storage enclosure includes a plurality of storage devices housed within a storage enclosure housing. A non-volatile display element is arranged to provide a persistent display of fault information relating to a component of the storage enclosure after power is removed from the display element.

Abstract: Cable management systems for use with a chassis includes a device holding apparatus, a device holding apparatus track, a chassis track and a cable carrier. The cable carrier may carry one or more cables and engage a portion of each of the chassis track and the device holding apparatus track when the device holding apparatus is in, or being moved between, a first position and a second position.

Abstract: Optical couplings systems, apparatus, and methods may include an optical cable coupling device, or spool, and one or more optical coupling features. The one or more optical coupling features may be configured to optically couple an optical cable and another optical cable, each of which are storable on the optical cable coupling device. The optical cable coupling device and optical cables may be used on a modular device (e.g., computing device, networking device, storage device, etc.). The optical cable coupling device may define a radius that less than about 200% the minimum bend radius of the optical cables.

Abstract: Apparatus for thermally cooling a solid state memory unit, such as but not limited to densely packed flash memory storage devices in a data storage system. In some embodiments, a thermally conductive corrugated plate has one or more corrugations. The corrugations are adapted for positioning adjacent at least one solid state memory unit to form one or more channels for a cooling fluid to flow therethrough.

Abstract: There is provided a method and apparatus for power management in a storage resource. The storage resource comprises at least one RAID array including a plurality of physical drives. The method comprises: determining a reduced number of physical drives within a RAID array upon which data is to be concentrated; moving data stored on said RAID array and/or targeting data written to said RAID array to one or more of said reduced number of physical drives such that said data is concentrated on said reduced number of physical drives in said RAID array; and selectively applying power management logic to enable, based on at least one power management criterion, one or more physical drives in said RAID array to be powered down or to be supplied with reduced power.

Abstract: An apparatus includes a polymer waveguide element disposed on a circuit board and having a waveguide core between a first outer reference waveguide core and a second reference waveguide core having top and side exposed surfaces and defining opposing outer edges of the polymer waveguide element. A ferrule mount element optically couples the polymer waveguide element to an optical element through the circuit board. The ferrule mount includes two tapered features that mate with and form an interference fit with the exposed side surfaces of the first outer reference waveguide core and second outer reference waveguide core.

Abstract: An optical alignment system for aligning an optical component is provided. The system includes an alignment component configured to be moveable in a plane and in a fixed relationship with the optical component. Typically the alignment component houses an optical fiber MT ferrule. One or more driving components are further provided typically in the form of a ball headed adjustment screw. The driving components are configured to be moveable, relative to the alignment component, in a first linear direction. At least a component of the first linear direction is parallel with the normal of the plane. The driving component, when forced along the first linear direction and in contact with the alignment component, imparts a force upon the alignment component, in the plane, to move the optical component in the plane. An alignment frame accommodating the driving components may also be provided.

Abstract: Apparatuses that include an input and output waveguide; and a nested resonator including at least an external loop and a nested loop positioned entirely inside the external loop, each loop independently having a length that supports a single resonant wavelength, the external loop further including: an input interface configured to couple energy between the input waveguide and the nested resonator, an output interface configured to couple energy between the nested resonator structure and the output waveguide, and an internal interface, the external loop and the nested loop configured to couple energy there between via the internal interface.

Abstract: The invention provides an optical connector for coupling with a complementary optical connector and for supporting an optical component. The connector comprises a cover moveable between a first and second position. The cover may also comprise a moveable shield and biasing components. There is also provided an optical connector assembly comprising covers that sequentially open. A PCB comprising waveguides and an optical component sub-mount for integrating with the PCB is also presented.

Abstract: Storage systems, carriers, enclosures and support PCBs connecting to a first storage device of a first form factor such as a hard disc drive (HDD), a dongle within a storage carrier coupled to the first storage device, and a second storage device such as a solid-state drive (SSD) coupled to the dongle having a second form factor different than or smaller than the first form factor.

Abstract: An optical printed circuit board having at least one optical interface on a surface, and a deformable dam structure provided on the optical printed circuit board adjacent to the at least one optical interface. The deformable dam structure has an absorbent portion for absorbing adhesive and a method or forming the same.

Abstract: An apparatus includes a polymer waveguide having a doped region, with amplifying dopant, separating a first un-doped region and a second un-doped region. The doped region being doped with an amplifying dopant. An optical pump source illuminates the doped region to allow light to transmit from the first un-doped region to the second un-doped region.

Abstract: There is provided a method of recovering configuration metadata from an erasure encoded RAID array. The RAID array includes raw data including a plurality of codewords encoded using Reed-Solomon encoding. The codewords include message data and checksum data, and the configuration metadata includes parameters relating to the layout of the RAID array. The method includes reading, from the RAID array, raw data including message data and checksum data. Then a set of linear equations are defined using the message data and checksum data. The linear equations are then solved and then, from the solved linear equations, one or more parameters relating to the layout of the RAID array are determined.

Abstract: A method of making a waveguide, the method including depositing discrete units of optical core material in a pattern of the waveguide, and controlling the refractive index of the discrete units such that the refractive index of the waveguide varies along its length.

Abstract: A method of defining a layout mapping function for a parity distributed RAID array including a plurality of target objects, the layout mapping function defining the mapping of the group-address space to the target-address space in the array and including a matrix defining a unit space across a plurality of target objects, the matrix Includes columns defining the target objects and rows defining equally-offset sequential units on the target objects, the method including: a) defining, on a computing apparatus, a layout of stripe groups across the target objects by defining a pattern including a plurality of stripe groups into a predetermined pattern and repeating the pattern across the matrix, each stripe group including a plurality of data units and a plurality of parity units; and b) implementing, on a computing apparatus, the layout on the target objects of the RAID array.

Abstract: The invention provides an amplification module for an optical printed circuit board, the optical printed circuit board comprising plural polymer waveguide sections from independent waveguides, each of the sections being doped with an amplifying dopant, wherein the plural waveguide sections are routed so as to pass through an amplification zone in which the plural polymer waveguide sections are arranged close or adjacent to one another, the amplification module comprising: a pump source comprising plural light sources arranged to provide independently controllable levels of pump radiation to each of the plural waveguide sections. In an embodiment, the amplification module also includes plural polymer waveguide sections corresponding to the plural polymer waveguides of the printed circuit board on which in use the amplification module is to be arranged, each of the sections being doped with an amplifying dopant.

Abstract: A method of manufacturing an optical printed circuit board and an optical printed circuit board. The method includes providing a support layer having one or more optical waveguides formed on the support layer, the waveguides having exposed interfaces. A film is provided on one or more of the exposed interfaces, wherein the film has a smoother outer surface than the waveguide interface.

Abstract: A method of writing data to a distributed file system including a file system client, a server and a storage resource target, includes generating, on the client, a write request including a byte stream to be written to the storage resource target; formatting, on the client, the byte stream into sectors in accordance with the T10 protocol, the sectors including a data field and a protection information field, the protection information field including a guard field, an application field and a reference field; computing, on the client, checksum data for the guard field; sending, across a network, the data and the protection information to the server; verifying, in T10-capable hardware on the server, the checksum data for the guard field; verifying, on the storage resource target, the checksum data for the guard field; and storing the data on the storage resource target.