Articles and systems comprising optically communicating logic elements including an electro-optical logic element
I claim: 1. An article comprising a) at least a first and second logic element, associated with each of said two logic elements being a multiplicity of input channel means adapted for receiving electr... Read More
Inventors: Luryi, Sergey;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Staircase bandgap photodetector using recombination
In a broad aspect the invention is an article that comprises semiconductor photodetector means that can substantially have the characteristics of a voltage source, and whose output voltage is substant... Read More
Inventors: Liu, Chun-Ting; Luryi, Sergey;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Method for inserting stator coil lead wires into terminals having wire-receiving channels
This invention relates to a method and an apparatus for inserting stator coil lead wires into terminals having wire-receiving channels. Although the invention is intended for use in the manufacture of... Read More
Inventors: Beakes, John M.; Hunter, Howard S.;, Assignee: Globe Products Inc. (Huber Heights, OH) |
Method for selectively growing gallium-containing layers
In accordance with the invention, gallium-containing layers are grown by molecular beam processes using as an arsenic precursor a compound of the dialkylaminoarsenic family (DAAAs) such as tris-dimeth... Read More
Inventors: Abernathy, Cammy R.; Pearton, Stephen J.; Ren, Fan; Wisk, Patrick W.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Planar quantum well photodetector
Applicant has demonstrated that ion implant isolation permits fabrication of a substantially planar quantum well photodetector free of exposed mesa side walls and having performance characteristics co... Read More
Inventors: Hui, Sanghee P.; Pei, Shin-Shem;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Article that comprises a semiconductor laser, and method of operating the article
Broadly speaking, the invention is embodied in a novel method of modulating a semiconductor laser, as well as in apparatus that comprises a semiconductor laser and novel means for modulating the laser... Read More
Inventors: Gorfinkel, Vera B.; Luryi, Serge;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Planarized interference mirror
Accordingly, an object of the invention is to provide a highly planar interference mirror. The invention may be summarized as an interference mirror comprising occasional layers having thicknesses tha... Read More
Inventors: Bhat, Rajaram; Yoo, Sung-Joo;, Assignee: Bell Communications Research, Inc. (Livingston, NJ) |
Integrated optics
General--It is convenient to describe the invention in terms of resonant microdisk cavities and particularly in terms of microdisk lasers. It will be understood that use of this terminology is not in... Read More
Inventors: Lanzerotti, Louis D.; McCall, Samuel L.; Yurke, Bernard;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Single mirror light-emitting diodes with enhanced intensity
This invention embodies single mirror light-emitting diodes (LEDs) with enhanced intensity. The LEDs are Group III-V and/or II-IV compound semiconductor structures with a single metallic mirror. The e... Read More
Inventors: Hunt, Neil E. J.; Schubert, Erdmann F.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
1.5 .mu.m wavelength asymmetric fabry-perot modulator with negative chirp
It has been found that an asymmetric Fabry-Perot modulator can operate in the 1.5 .mu.m wavelength region by an appropriate choice of the multiple quantum well material that constitutes the electro-a... Read More
Inventors: Yoo, Sung-Joo;, Assignee: Bell Communications Research Inc. (Morristown, NJ) |
Integrated waveguide having an internal optical grating
The present invention provides a method for forming an optical grating internal to an optical waveguide. That is, the optical grating and waveguide are formed in the same layer of material and hence i... Read More
Inventors: Joyner, Charles H.;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Vertical cavity surface emitting laser with laterally integrated photodetector
The above problems and others are substantially solved and the above purposes and others are realized in a semiconductor laser, such as a vertical cavity surface emitting laser (VCSEL), and laterally ... Read More
Inventors: Jiang, Wenbin; Shieh, Chan-Long; Lebby, Michael S.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Mode locked laser with negative differential resistance diode
The above problems and others are at least partially solved and the above purposes and others are realized in a mode locked laser with a negative differential resistance diode including a negative dif... Read More
Inventors: Shen, Jun; Jiang, Wenbin;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Vertical optical cavities produced with selective area epitaxy
The vertical optical cavity devices of the present invention and the steps required to grow them rely on the use of the known technique of Selective Area Epitaxy (SAE). FIG. 1 illustrates the most re... Read More
Inventors: Chang-Hasnain, Constance; Li, Gabriel; Yuen, Wupen;, Assignee: Bandwidth9 (Fremont, CA) |
Channel inductor and melt furnace comprising such channel inductor
The present invention provides a channel inductor which comprises a winding wound around a core, and a refractory lining, in which at least a part of the core and the coil are arranged enclosed and em... Read More
Inventors: Archenholtz, .ANG.ke; Bostedt, Jan; Lofgren, Arne; Tallback, Gote; Ebrahim, Saeid; Lundstrom, Alf;, Assignee: ABB AB (Vasteras, SE) |
Multi-wavelengths infrared laser
We claim: 1. A laser source for generating at least one infared wavelength, comprising in combination: a pump source having peak density that overcomes a threshold of a selected laser transition; mean... Read More
Inventors: Tabirian, Anna M.; Jenssen, Hans P.; Buchter, Scott; Hoffman, Hanna J.;, Assignee: University of Central Florida (Orlando, FL) |
Hybrid semiconductor laser/detectors
A hybrid semiconductor laser/detector is provided on a single semiconductor substrate. The diode laser is mounted on the substrate which acts as a heat sink. An optical detector, such as a silicon p-n... Read More
Inventors: Scifres, Donald R.; Stutius, Wolfgang E.;, Assignee: Xerox Corporation (Stamford, CT) |
Method and apparatus for aligning optical waveguide arrays
The invention comprises a method of aligning a first array of optical waveguides with a second array of optical waveguides wherein the total optical power outputted from all of the optical waveguides... Read More
Inventors: Brun, Mark G.;, Assignee: Corning Incorporated (Corning, NY) |
Resonance cavity photodiode array resolving wavelength and spectrum
An object of the invention is to provide a linear array of photodiodes for use in detecting the wavelength of light. Another object of the invention is to provide a square matrix array of narrow-band ... Read More
Inventors: Woo, Jong-Chun;, Assignee: |
Molded plastic optical fiber-optoelectronic converter subassembly
The invention arranges the interface between an optical fiber and an optoelectronic converter so that a subassembly connector with that interface can employ plastic construction. In the structure only... Read More
Inventors: Cina, Michael F.; Cohen, Mitchell S.; Johnson, Glen W.; Oprysko, Modest M.; Trewhella, Jeannine M.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Plastic optical subassemblies for light transfer between an optical fiber and an optoelectronic converter and the fabrication of such plastic optical subassemblies
It is therefore an object of the present invention to provide a method and apparatus for X, Y and Z axis alignment in the manufacture of an optical subassembly that achieves acceptable feedback-induce... Read More
Inventors: Cohen, Mitchell S.; Johnson, Glen W.; Trewhella, Jeannine M.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Light-emitting module
The present invention has been made in view of the problems in the conventional light-emitting modules and it is an object of the present invention to provide a light-emitting module capable of preven... Read More
Inventors: Kyoya, Shouichi;, Assignee: Alps Electric Co., Ltd. (Tokyo, JP) |
Optical fiber connector assembly
An object, therefore, of the invention is to provide a new and improved optical fiber connector assembly of the character described. In the exemplary embodiment of the invention, the assembly includes... Read More
Inventors: Aoki, Kazunori; Inoue, Tatsuo; Kunishi, Shinsuke;, Assignee: Molex Corporation (Lisle, IL) |
Hidden viewfinder for camera
It is therefore an object of this invention to provide a hidden viewfinder that may be raised out of the camera body for use and may be hidden and nested in the camera body when not in use. The camera... Read More
Inventors: Chang, Guang-Shang; Chan, Chien-Chin; Peng, Chien-Ming;, Assignee: Umax Data Systems Inc. (Hsinchu, TW) |
Method of producing a thin-film capacitor
Accordingly, an object of the present invention to provide a thin-film capacitor having a perovskite-structured oxide thin-film as its dielectric, that exhibits an excellent insulation property, such ... Read More
Inventors: Sone, Shuji;, Assignee: NEC Corporation (Tokyo, JP) |
Field-effect transistor based on embedded cluster structures and process for its production
What is claimed is: 1. Field-effect transistor, with a semiconductor substrate made of a first semiconductor material, a cluster layer, in which a plurality of semiconductor clusters made of a second ... Read More
Inventors: Schmidt, Oliver G.; Eberl, Karl;, Assignee: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V. (Munich, DE) |
Parallel plate microwave devices having tapered current interrupting slots
FIGS. 1A-1F disclose for illustrative purposes the lower order TM.sub.nmp, field distributions for a circular parallel-plate resonator, i.e. the TM.sub.010, TM.sub.110, TM.sub.210, TM.sub.020, TM.sub... Read More
Inventors: Carlsson, Erik; Gevorgian, Spartak; Wikborg, Erland;, Assignee: Telefonaktiebolaget L M Ericsson (publ) (SE) |
Integrated optoelectronic device, and integrated circuit device
What is claimed is: 1. An integrated circuit device comprising: an integrated optoelectronic device including an electrode region formed on a central portion of its bottom surface and an optical devic... Read More
Inventors: Ouchi, Toshihiko;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Semiconductor laser and method of manufacturing the same
OF THE PREFERRED EMBODIMENTS In the following, an embodiment according to the present invention will be described with reference to FIG. 1 to FIG. 4. FIG. 1 is a view showing a semiconductor laser ac... Read More
Inventors: Hashimoto, Jun-ichi;, Assignee: Sumitomo Electric Industries, Ltd. (Osaka, JP) |
Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor
The present invention has the object to propose a direct-current arc furnace and a method for producing steel wherein a reduced loading of the furnace and the environment will result despite an increa... Read More
Inventors: Pleschiutschnigg, Fritz-Peter; Wu, Wei-Ping;, Assignee: SMS Schloemann-Siemag Aktiengesellschaft (Dusseldorf, DE) |
MEMS 
