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| Number | Title | Issue Date |
| 7277467 | Externally aligned laser module Disclosed is a laser module case having a snout disposed within a wall of the case, wherein the snout may allow alignment of a laser with an optical fiber after closure of the case. The snout has an inner end, outer end and longitudinal hollow. An optical fiber asse... | 10/02/2007 |
| 7024059 | Optoelectronic receiver and method of signal adjustment An optoelectronic receiver having a variable transfer function to compensate for operational condition change. The receiver comprises a linear circuit having a tunable filter. A control circuit provides a signal to the tunable filter. The control circuit is connecte... | 04/04/2006 |
| 6808322 | Devices and method of mounting A device, such as an optoelectronic device, including a submount and a cover, and a method of manufacture of such a device. The submount includes a substrate with a groove formed in the substrate. The substrate further includes at least one cavity formed in the subs... | 10/26/2004 |
| 6706542 | Application of InAIAs double-layer to block dopant out-diffusion in III-V device Fabrication The present invention relates to a multi-layer dopant barrier and its method of fabrication for use in semiconductor structures. In an illustrative embodiment, the multi-layer dopant barrier is disposed between a first doped layer and a second doped layer. The multi... | 03/16/2004 |
| 6582548 | Compression bonding method using laser assisted heating A method for bonding an oxide-containing member to an aluminum surface, includes the steps of: providing a substrate, wherein a portion of a surface of the substrate has aluminum thereon; positioning an oxide-containing member on the aluminum surface of t... | 06/24/2003 |
| 6518563 | Detecting aging of optical components The invention in accordance with one aspect is a method of determining aging of a light emitting device which is capable of selectively emitting light having different wavelengths corresponding to different channels for light transmission as a function of... | 02/11/2003 |
| 6453105 | Optoelectronic device with power monitoring tap The invention is a semiconductor device, and a method of fabrication, where a waveguide layer in which light is propagated and an integral photodetector are formed in the device. A light absorbing layer of the photodetector includes a portion of the waveg... | 09/17/2002 |
| 6437425 | Semiconductor devices which utilize low K dielectrics The invention is a semiconductor device and method of fabricating the device. The device includes a semiconductor substrate with an active region, and a low dielectric constant insulating layer formed over the substrate. An additional insulating layer is ... | 08/20/2002 |
| 6400736 | Wavelength stabilized laser modules The invention is an apparatus including a semiconductor laser device emitting light at least at a certain wavelength, and at least two reflectors external to the laser device and positioned to reflect the light to stabilize the wavelength.... | 06/04/2002 |
| 6368888 | Soldering an optical component to a substrate The invention is an assembly and method for bonding an optical component to a base member. The component is mounted to a block which includes a centerline extending between two opposing surfaces. A pair of stop members are included on the surface of the b... | 04/09/2002 |
| 6317444 | Optical device including carbon-doped contact layers The invention is an optical device and method of fabrication which mitigates the problem of Zn migration in the cladding and waveguide regions. The contact region includes carbon, which acts as a p-type dopant in ternary semiconductor material. The contac... | 11/13/2001 |
| 6310902 | Modulator for analog applications The invention in one aspect is an optical modulator which includes a waveguide region of semiconductor material. In order to achieve a gradual, essentially linear transfer function, the bandgap of the waveguide region is graded along the direction of ligh... | 10/30/2001 |
| 6282356 | Optical waveguide device with enhanced stability The invention is an optical waveguide device and a method for forming the device which provides enhanced stability. The device includes a pyroelectric substrate such as lithium niobate where the bulk resistivity of at least a portion of the substrate is r... | 08/28/2001 |
| 6274198 | Shadow mask deposition A method of depositing material on a substrate using a shadow mask. The mask includes a plurality of etched features which correspond to a plurality of features in the substrate. Spheres are provided in the features of the mask or substrate so that the ma... | 08/14/2001 |
| 6190055 | Reducing stress in optical fibers The invention is an optical assembly which includes at least two optical fibers, each having a coated portion and a bare portion at one end. A spacer is placed between coated portions of the fibers so as to produce a gradual bending of the bare portions a... | 02/20/2001 |
| 6128133 | Optical beamsplitter The invention is a beamsplitter and an optical module including a beamsplitter where the beamsplitter comprising a body having two major surfaces. At least one major surface of the body is coated so that the said major surface reflects incident light of a... | 10/03/2000 |
| 6119921 | Bonding of aluminum oxide components to silicon substrates The invention is a method and resulting device which provides a strong bond between a silicon substrate and an oxide component mounted within a cavity in the substrate. A layer of titanium, for example, is deposited on the walls of the cavity, followed by... | 09/19/2000 |
| 6091756 | Analog laser assembly The invention is a laser assembly for reducing distortion ripple. The assembly includes a spherical lens which has a portion of its surface made optically asymmetric to prevent multiple reflections of scattered light within the lens.... | 07/18/2000 |
| 6075635 | Bidirectional optical transceiver assembly An optical transceiver assembly for use in a bidirectional system includes an optical fiber to which an outgoing optical signal is coupled. To reduce reflections from the end face of the fiber, the end face is beveled at an acute angle $c;' to the norm... | 06/13/2000 |
| 6072812 | Distributed feedback laser with loss coupling The invention is a semiconductor laser including a grating which is formed by regions of high impurity concentration surrounded by material having a lesser impurity concentration. The use of variations in doping concentration rather than different materia... | 06/06/2000 |
| 6064782 | Edge receptive photodetector devices The invention is a photodetector device and a lightguide circuit incorporating the device. The photodetector device includes a semiconductor region for absorbing light which is incident on an edge surface of the device. The region above the absorbing regi... | 05/16/2000 |
| 6064527 | Semiconductor laser assembly with reduced ripple The invention is a laser assembly with reduced distortion ripple. The assembly includes a spherical lens for collimating light emitted from the laser. The lens is made of a material which attenuates scattered light which is the source of ripple without ap... | 05/16/2000 |
| 6043443 | Fabrication of semiconductor devices Disclosed is a method for fabricating devices so that several devices at a time can be tested and sorted. The devices are placed in a carrier so that each device occupies a discrete position. The carrier includes an identification marker, and each device ... | 03/28/2000 |
| 6037268 | Method for etching tantalum oxide The invention is a method of fabricating a device which includes the step of etching a layer of tantalum oxide or niobium oxide. A material comprising chlorine and a material comprising oxygen are applied to the layer and energy is added to the layer in t... | 03/14/2000 |
| 6024500 | Transceiver package The invention is a transceiver package with reduced overall width and optical pitch. Separate circuit boards are provided for the laser with its associated circuitry and the photodetector with its associated circuitry. The boards are mounted to the sidewa... | 02/15/2000 |
| 6017804 | Method and apparatus for cleaving semiconductor material The invention disclosed is a method and apparatus for cleaving semiconductor material without physical contact. Tick marks are formed in a major surface of the material where cleaving is desired. A fulcrum member is moved with respect to the material unti... | 01/25/2000 |
| 5970201 | Power regulation in optical networks The invention disclosed is a circuit for regulating optical power levels. Electrooptic attenuators are used to control optical output intensity by means of feedback loops from the outputs of the attenuators to the electrodes of the attenuators which deter... | 10/19/1999 |
| 5959970 | Circuit pack sparing arrangement The invention is a circuit which permits spare circuit packs to replace operational circuit packs while keeping peripheral circuitry apprised of the status of the packs. The circuit receives signals from a first conductor and returns the signals to the co... | 09/28/1999 |
| 5960017 | Soldering an optical component to a substrate The invention is an assembly and method for bonding an optical component to a base member. The component is mounted to a block which includes a centerline extending between two opposing surfaces. A pair of stop members are included on the surface of the b... | 09/28/1999 |
| 5956356 | Monitoring wavelength of laser devices The invention is a circuit for monitoring the wavelength of a laser device such as a semiconductor laser. A piezoelectric resonator is positioned in the path of the light beam so as to form a Fabry-Perot cavity. The changes in the reflectivity of the cavi... | 09/21/1999 |
| 5956360 | Uncooled lasers with reduced low bias capacitance effect The invention is a laser with improved turn-on time for digital applications. The low bias capacitance effect of the laser is reduced by use of a buffer region formed between the substrate and the active region, the buffer region having a lower dopant con... | 09/21/1999 |
| 5935451 | Fabrication of etched features Disclosed is a method of fabricating electronic components on a semiconductor substrate by etching features in the substrate through a mask including apertures which are separated by a prescribed spacing. Etching is continued until the etched features mer... | 08/10/1999 |
| 5890816 | Polarization maintaining optical amplifier The invention is an optical amplifier which maintains the polarization of the signals being amplified. A polarization independent, polarization maintaining optical isolator is coupled to polarization maintaining optical fibers so that signals having polar... | 04/06/1999 |
| 5861665 | Structure for absorption of hydrogen in a package Disclosed is an optical and/or microelectronics hermetic package which includes a member for absorbing hydrogen from the internal package ambient. The member includes a first layer which forms a hydride and, formed thereover, a second layer which forms so... | 01/19/1999 |
| 5841562 | Bidirectional modular optoelectronic transceiver assembly A bidirectional optoelectronic transceiver assembly comprises a pair of interconnectable modules. One module houses a laser diode and a lens; the other a photodiode, a beam splitter and a fiber pigtail.... | 11/24/1998 |
| 5835848 | Range repeater for a transmission system The invention is a repeater for a telecommunications transmission system such as a CDMA wireless system. The repeater reduces leakage by using a feedback signal whose amplitude and phase are adjusted in response to the amplitude and phase of a sampled inp... | 11/10/1998 |
| 5802091 | Tantalum-aluminum oxide coatings for semiconductor devices An active semiconductor device includes a coating comprising an oxide of tantalum and aluminum. The coating may function as an AR coating or as a passivation coating. Applications to ICs and optical devices are described.... | 09/01/1998 |
| 5802228 | Optical package with removable fiber termination Disclosed is an optical component package which permits easy insertion and removal of an optical fiber termination. The termination is inserted through an aperture of a package wall and is retained within the package by a retaining clip which engages the ... | 09/01/1998 |
| 5751534 | Coaxial cable surge protector The invention is a surge protector which can provide voltage and current protection in coaxial cable systems. The protector includes a central conductor which is coupled in series with a variable resistance, and a voltage surge arrestor which is coupled b... | 05/12/1998 |
| 5721396 | Building cable entrance terminal A building cable entrance terminal includes a panel section for supporting a number of cable connector parts to be mounted in a determined array on a panel, an entrance compartment for housing connecting portions of a number of incoming cables, and a firs... | 02/24/1998 |
