| Patent Number |
Title Of Patent |
Date Issued |
| 6850678 |
Reduced four-wave mixing optical fiber for wavelength-division multiplexing |
February 1, 2005 |
| An optical fiber includes a core for guiding light of a specified range of wavelengths therethrough, each wavelength in the specified range of wavelengths traveling through the core at a particular group velocity and the light potentially producing a nonlinear optical effect. The optical |
| 6838749 |
Structures for increasing the critical temperature of superconductors |
January 4, 2005 |
| A method for increasing the critical temperature, T.sub.c, of a high critical temperature superconducting (HTS) film (104) grown on a substrate (102) and a superconducting structure (100) made using the method. The HTS film has an a-b plane parallel to the surface of the substrate and a |
| 6813056 |
High amplitude fast optical modulator |
November 2, 2004 |
| A short intense pulse of radiation is generated by shining radiation through a magneto-optical material and providing multiple stimulations to the material. The material is excited multiple times to rapidly change a property of the radiation, such as the angle of its polarization. The |
| 6738548 |
Reduced four-wave mixing optical fiber for wavelength-division multiplexing |
May 18, 2004 |
| An optical fiber includes a core for guiding light of a specified range of wavelengths therethrough, each wavelength in the specified range of wavelengths traveling through the core at a particular group velocity and the light potentially producing a nonlinear optical effect. The optical |
| 6630426 |
Method of increasing the critical temperature of a high critical temperature superconducting fil |
October 7, 2003 |
| A method for increasing the critical temperature, T.sub.c, of a high critical temperature superconducting (HTS) film (104) grown on a substrate (102) and a superconducting structure (100) made using the method. The HTS film has an a-b plane parallel to the surface of the substrate and a |
| 6584245 |
High speed data link including a superconductive plate assembly for use in a data transmission s |
June 24, 2003 |
| The high speed data link includes a light modulating device having an output, a source of light of a certain wavelength and a superconductive material, which is switchable between superconducting and non-superconducting states. This light modulating device also includes an arrangemen |
| 6517944 |
Multi-layer passivation barrier for a superconducting element |
February 11, 2003 |
| A multi-layer passivation barrier (24) for, and a method of, passivating a superconducting layer (22) of a microelectronic device (20). The passivation barrier includes a passivating layer (32) and a barrier buffering layer (30). The passivating layer provides a barrier to moisture, |
| 6476956 |
Fast optical modulator |
November 5, 2002 |
| A short pulse of radiation is generated by shining radiation through a magneto-optical material. The material is excited twice to rapidly change a property of the wave, such as the direction of the polarization. The first excitation rotates the polarization in a first direction and the |
| 6429958 |
Extinction ratio optical communication device using superconducting films |
August 6, 2002 |
| The optical assembly for modulating input light and providing modulated light at an output thereof includes a first arrangement, which includes a layer of a superconductive material having at least a part of the input light incident thereon as incident light. The superconductive material |
| 6351482 |
Variable reflectivity mirror for increasing available output power of a laser |
February 26, 2002 |
| Output for a laser is greatly increased by altering the transmitivity of a superconductor layer which serves as one of the mirrors of the laser cavity. The superconductor layer is switched between a superconductive state, having reflectivity of one, and a non-superconductive state, havin |
| 6285487 |
Light modulation system including a superconductive plate assembly for use in a data transmissio |
September 4, 2001 |
| A method and apparatus for modulating light, wherein a light source provides light of a certain wavelength to be modulated by a layer of superconducting material which forms part of a specifically configured plate assembly. The superconducting layer is placed in the optical path of t |
