Patent application number | Description | Published |
20080231943 | Periodically filtered broadband light source - Embodiments of a periodically filtered broadband light source are described. The periodically filtered broadband light source includes a periodic spectral filter coupled to an optical gain element to generate a light and to filter the light into a plurality of individual spectral slices. The broadband light source includes an isolator coupled to the optical gain element. The periodic filter can be a reflective filter. The periodic filter can adjust an optical power in each of the spectral slices. The periodic filter can include one or more control elements to control an optical power in each of the spectral slices. Further, a wavelength division multiplexing passive optical network system is described that includes the periodic broadband light source to send individual spectral slices to wavelength lock one or more transceivers. The individual spectral slices sent by the periodic broadband light source match wavelength channels of a wavelength division multiplexer/de-multiplexer. | 09-25-2008 |
20100008669 | HYBRID NETWORK OPTICAL COMMUNICATION SYSTEM - A hybrid network optical communication system is provided. The system may include a central office, at least one network group coupled to the central office. The network group may include a plurality of external rings, and each of the external rings may include a plurality of nodes having a ring connection. This system may have economical advantages of reducing the number of optical cores and easily switching directions for protecting the system when any problems occur on the optical cores and the devices at nodes. | 01-14-2010 |
20100014865 | INTEGRATION OF LASER SOURCES AND DETECTORS FOR A PASSIVE OPTICAL NETWORK - Various methods and apparatuses are described in which an array of optical gain mediums capable of lasing are contained in a single integral unit. The array may contain four or more optical gain mediums capable of lasing. Each optical gain medium capable of lasing supplies a separate optical signal containing a band of wavelengths different than the other optical gain mediums capable of lasing in the array to a first multiplexer/demultiplexer. A connection for an output fiber exists to route an optical signal to and from a passive optical network. | 01-21-2010 |
20100040374 | INTEGRATION OF LASER SOURCES AND DETECTORS FOR A PASSIVE OPTICAL NETWORK - Various methods and apparatuses are described in which an array of optical gain mediums capable of lasing are contained in a single integral unit. The array may contain four or more optical gain mediums capable of lasing. Each optical gain medium capable of lasing supplies a separate optical signal containing a band of wavelengths different than the other optical gain mediums capable of lasing in the array to a first multiplexer/demultiplexer. A connection for an output fiber exists to route an optical signal to and from a passive optical network. | 02-18-2010 |
20120093459 | OPTICAL CHANNEL TAP ASSEMBLY - An optical channel tap assembly comprises a first N by M waveguide array including a first set of optical channels to convey optical signals along a first set of conveyance paths. The optical channel tap assembly also comprises a second N by M waveguide array including a second set of optical channels to convey the optical signals along a second set of conveyance paths, the optical signals received from the first set of conveyance paths. Additionally, the optical channel tap assembly comprises a beam splitter, disposed between the first N by M waveguide array and the second N by M waveguide array, to divert a first portion of power from the optical signals away from the second N by M waveguide array while allowing a second portion of power from the optical signals to propagate into the second N by M waveguide array. | 04-19-2012 |
20130003185 | OPTICAL STAR COUPLER - An optical device ( | 01-03-2013 |
20130064505 | AREA ARRAY WAVEGUIDE POWER SPLITTER - A method for constructing an area array waveguide power splitter includes preparing a reflective layer on a substrate and forming a core of an area array waveguide layer and alignment features for an optical fiber input and a plurality of optical fiber outputs atop the reflective layer, wherein the core of the area array waveguide layer and the alignment features are formed concurrently. The method also includes applying a reflective layer to the top and side surfaces of the core of the area array waveguide layer and exposing an input and exposing a plurality of outputs in the reflective layer. | 03-14-2013 |
20130089288 | SLOT-LINE WAVEGUIDE OPTICAL SWITCH SYSTEM AND METHOD - A slot-line waveguide optical switch system and method are disclosed. An optical switch system can include a slot-line waveguide optical switch that includes a plurality of wall portions that are each formed from a high refractive-index material and that are arranged to form a channel portion comprising an electro-optic material interposed to extend between the plurality of wall portions. The channel portion can include an input channel to receive an input optical signal and plural output channels to receive the input optical signal from the input channel. A channel switching system can provide a voltage to an electrode coupled to a corresponding wall portion to change a relative refractive index in the output channels via the electro-optic material and thereby switch the input optical signal to one of the output channels. | 04-11-2013 |
20130108207 | PROCESS POLING FOR MATERIAL CONFIGURATION | 05-02-2013 |
20130183036 | OPTICAL POLARIZATION MULTIPLEXING USING LASER ARRAYS - An optical data system and method are disclosed. An optical data system includes an array of lasers that are modulated by the plurality of modulation signals to provide a plurality of pairs of orthogonally polarized optical data signals. The optical data system further includes an optical multiplexing system to combine each of the pairs of orthogonally polarized optical data signals to provide a plurality of dual-channel optical data signals. | 07-18-2013 |
20130209110 | SMALL-MODE-VOLUME, VERTICAL-CAVITY, SURFACE-EMITTING LASER - A small-mode-volume, vertical-cavity, surface-emitting laser (VCSEL). The VCSEL includes an active structure to emit light upon injection of carriers, and two reflecting structures at least one of which is a grating reflector structure. The active structure is disposed within at least one of the reflecting structures. The reflecting structures are configured as a vertical-cavity resonator of small mode-volume. An optical-bus transmitter including a plurality of small-mode-volume VCSELs, and a system including at least one optical bus and at least one optical-bus transmitter in a digital-information processor, or a data-processing center, are also provided. | 08-15-2013 |
20130216180 | OPTICAL INTERCONNECT FABRICS IMPLEMENTED WITH STAR COUPLERS - This disclosure is directed to scalable optical interconnect fabrics for distributing optical signals over a computer systems. In one aspect, an optical interconnect fabric includes a star coupler and a plurality of output optical fibers. Each output optical fiber is connected at a first end to the star coupler and is connected at a second end to a node of a plurality of nodes. The fabric also includes the input optical fiber connected at a first end to the star coupler and connected at a second end to a node of the plurality of nodes. The star coupler is to receive at least one optical signal via the input optical fiber, is to split each optical signal into a plurality of optical signals with approximately the same optical power, and is to output each optical signal into one of the output optical fibers. | 08-22-2013 |
20130266255 | PASSIVE OPTICAL ALIGNMENT - A system for passive optical alignment includes an through optical via formed through a substrate, an optical transmission medium secured to a first side of the substrate such that the optical transmission medium is aligned with the through optical via, and an optoelectronic component secured to a second side of the substrate such that the active region of said optoelectronic component is aligned with the through optical via. | 10-10-2013 |
20140029955 | Optical Interconnect - An optical interconnect ( | 01-30-2014 |
20140205237 | MECHANICALLY ALIGNED OPTICAL ENGINE - A mechanically aligned optical engine includes an optoelectronic component connected to a first side of a bench substrate and a transparent substrate bonded to a second side of the bench substrate. The transparent substrate comprises a mechanical feature designed to fit within an aperture of the bench substrate such that a lens formed onto the transparent substrate is aligned with an active region of the optoelectronic component. | 07-24-2014 |
20140219606 | MULTIMODE FIBER FOR MODULATABLE SOURCE - A modulatable source is to generate a signal. A multi-mode fiber is to propagate the signal. The fiber is associated with a fiber d*NA, corresponding to a product of a fiber diameter (d) and a fiber numerical aperture (NA), substantially between 1 micron radian and 4 micron radian. A receiver is to receive the propagated signal. | 08-07-2014 |
20140219608 | OPTICAL POWER SPLITTERS - Waveguide array optical power splitters that provide compact, low-cost implementation of optical power splitting for one and two dimensional optical waveguide arrays are disclosed. The optical power splitters do not introduce mode dependent loss and preserve polarization, enabling the optical power splitters to be used with multimode and single mode light sources. In one aspect, an optical power splitter includes a beamsplitter to receive a plurality of incident beams of light. The beamsplitter splits each incident beam of light into a plurality of output beams of light with each output beam output in a different direction from the beamsplitter. The optical power splitter includes a first set of lenses with each lens to approximately collimate one of the incident beams of light, and includes a second set of lenses with each lens to focus the output beams of light. | 08-07-2014 |
20140376580 | HIGH DENSITY LASER OPTICS - Apparatuses and methods for high density laser optics are provided. An example, of a laser optics apparatus includes a plurality of vertical cavity surface emitting lasers (VCSELs) in a monolithically integrated array, a high contrast grating (HCG) integrated with an aperture of a vertical cavity of each of the plurality of the VCSELs to enable emission of a single lasing wavelength of a plurality of lasing wavelengths, and a plurality of single mode waveguides, each integrated with a grating coupler, that are connected to each of the plurality of the integrated VCSELs and the HCGs, where each of the grating couplers is aligned to an integrated VCSEL and HCG. | 12-25-2014 |