| Patent Number |
Title Of Patent |
Date Issued |
| RE37809 |
Laser with electrically-controlled grating reflector |
July 30, 2002 |
| One or more lasers are combined with optical energy transfer devices and energy guiding devices which use an electric field for control. The optical energy transfer devices may form gratings, mirrors, lenses and the like using a class of poled structures in solid material. The poled |
| 7263247 |
Integrated optical isolator array |
August 28, 2007 |
| An integrated isolator array is provided having a plurality of waveguides fabricated in a planar optical substrate, each waveguide having input and output sections. An isolator subassembly is received within a transverse trench formed in the substrate between the input and output section |
| 7235150 |
Multi-channel laser pump source for optical amplifiers |
June 26, 2007 |
| An optical assembly, such as a multiple output diode laser pump source for EDFAs, is formed by pressing an optical array emitter chip against a standoff structure protruding from a submount such that the emitter chip deforms to match the curvature of the standoff structure. An IO chip is |
| 7171064 |
Thermo-optic switch having fast rise-time |
January 30, 2007 |
| A thermo-optic switch is operated in a novel near-impulse mode in which the drive pulse width is shorter than twice the diffusion time of the switch. The drive pulse width is less than the rise time of the steady-state optical response and also less than the rise time of the deflecti |
| 6856752 |
Device and method for variable attenuation of an optical channel |
February 15, 2005 |
| A device for variable attenuation of an optical channel includes an elongated core surrounded by a cladding. Optical energy propagating along the longitudinal axis of the core is normally confined thereto by the difference in refractive indices between the core and cladding. The ther |
| 6724968 |
Photodefinition of optical devices |
April 20, 2004 |
| An optical structure is fabricated by forming an active layer including a photodefinable material on a substrate or on another underlying layer, forming an upper layer above the active layer, and then patterning the active layer by selective application of radiation through the upper |
| 6580842 |
Integrated optical circulator array |
June 17, 2003 |
| A circulator array is constructed in a planar substrate by forming a plurality of waveguide pair structures, each waveguide pair structure having first and second sections respectively coupled by first and second polarization multiplexers. A nonreciprocal polarization rotation element |
| 6560387 |
Doped fiber amplifier utilizing integrated circulator array |
May 6, 2003 |
| A reflective doped fiber amplifier array utilizes an integrated circulator array to effect routing of optical signals. The integrated circulator array has a plurality of waveguide pairs coupled by polarization multiplexers formed in a planar substrate, and a nonreciprocal polarizatio |
| 6556734 |
Electrical connection scheme for optical devices |
April 29, 2003 |
| An optical device includes at least a first and second electrical conductors. At least one optical layer overlies at least a portion of the first and second electrical conductors. An applicator is positioned proximate to said at least one optical layer to selectively redirect light f |
| 6522794 |
Display panel with electrically-controlled waveguide-routing |
February 18, 2003 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 6522793 |
Low voltage electro-optic modulator with integrated driver |
February 18, 2003 |
| An electro-optic modulator is provided which comprises an electro-optic substrate, a Mach-Zehnder Interferometer optical waveguide structure, and at least two electrodes. In an embodiment of the invention, the Mach-Zehnder Interferometer optical waveguide structure has a mode transit |
| 6507681 |
Anti-waveguide routing structure |
January 14, 2003 |
| In a first state of an optical switch, a structure in the switch confines an optical mode to propagate along a first, unswitched path. The switch is switched into a second state by reducing the refractive index along the first path, or by increasing the refractive index of a region of th |
| 6434318 |
Device and method for variable attenuation of an optical channel |
August 13, 2002 |
| A device for variable attenuation of an optical channel includes an elongated core surrounded by a cladding. Optical energy propagating along the longitudinal axis of the core is normally confined thereto by the difference in refractive indices between the core and cladding. The ther |
| 6393172 |
Method of manipulating optical wave energy using patterned electro-optic structures |
May 21, 2002 |
| Method for optical energy transfer and energy guidance uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with waveguide structures. |
| 6351578 |
Thermo-optic switch having fast rise-time |
February 26, 2002 |
| A thermo-optic switch is operated in a novel near-impulse mode in which the drive pulse width is shorter than twice the diffusion time of the switch. The drive pulse width is less than the rise time of the steady-state optical response and also less than the rise time of the deflection |
| 6325553 |
Connection system for optical redundancy |
December 4, 2001 |
| A redundant optical connection system is manufactured in specially prepared form to allow optical connections to be made at a later step. In response to information specifying which of the optical sources are functional, further structure may be activated or introduced into the connectio |
| 6208791 |
Optically integrating pixel microstructure |
March 27, 2001 |
| An integrated optical microstructure includes a substrate carrying an optical waveguide and supporting a medium disposed to receive optical energy from the waveguide. The medium includes an optical re-radiator such as a phosphor, which reradiates optical energy in response to optical |
| 6167169 |
Scanning method and architecture for display |
December 26, 2000 |
| A method of scanning a plurality of display elements or pixels of a display and an apparatus capable of performing the method of scanning, allow energy propagating along a primary path to be diverted sequentially by a series of energy diverting devices to a plurality of secondary paths i |
| 6141465 |
Display architecture with waveguide routing and out-plane emission |
October 31, 2000 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 6118908 |
Integrated optical device with phosphor in substrate pit |
September 12, 2000 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 6078704 |
Method for operating a display panel with electrically-controlled waveguide-routing |
June 20, 2000 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 6049641 |
Connection system for optical redundancy |
April 11, 2000 |
| A redundant optical connection system is manufactured in specially prepared form to allow optical connections to be made at a later step. In response to information specifying which of the optical sources are functional, further structure may be activated or introduced into the connectio |
| 5978524 |
Phosphor RE-radiation in integrated optics |
November 2, 1999 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5912997 |
Frequency converter optical source for switched waveguide |
June 15, 1999 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5911018 |
Low loss optical switch with inducible refractive index boundary and spaced output target |
June 8, 1999 |
| An extremely low-loss optical switch element includes a first waveguide segment having first and second regions longitudinally-adjacent with each other and having an index of refraction difference which is greater when the switch element is in an "on" state than when it is in an "off" st |
| 5887089 |
Low insertion loss optical switches in display architecture |
March 23, 1999 |
| A new class of energy interaction devices, particularly optical energy transfer devices and energy guiding devices, use an energy field, particularly an electric field, applied to a poled structure to control energy propagation in a solid material. The poled structures, which may for |
| 5852688 |
Method for manipulating optical energy using poled structure |
December 22, 1998 |
| Method for optical energy transfer and energy guidance uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with waveguide structures. |
| 5835458 |
Solid state optical data reader using an electric field for routing control |
November 10, 1998 |
| An optical beam routing apparatus is constructed of solid material in which is embedded a beam routing array structure (1370) which has at least a first waveguide segment (1376) traversing the solid material along a plane, second waveguide segments (1378) traversing the solid material |
| 5781670 |
Optical frequency channel selection filter with electronically-controlled grating structures |
July 14, 1998 |
| Optical energy transfer devices and energy guiding devices use an electric field to control energy propagation using a class of poled structures in solid material in channel dropping filter and splitter applications. The poled structures, which may form gratings in thin film or bulk |
| 5732177 |
Controllable beam director using poled structure |
March 24, 1998 |
| A new class of energy interaction devices, particularly optical energy transfer devices and energy guiding devices, use an energy field, particularly an electric field, applied to a poled structure to control energy propagation in a solid material. The poled structures, which may for |
| 5724463 |
Projection display with electrically controlled waveguide-routing |
March 3, 1998 |
| A projection display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5703710 |
Method for manipulating optical energy using poled structure |
December 30, 1997 |
| Method for optical energy transfer and energy guidance uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with waveguide structures. |
| 5664032 |
Display panel with electrically-controlled waveguide-routing |
September 2, 1997 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5652817 |
Optical power splitter with electically-controlled switching structures |
July 29, 1997 |
| A new class of optical energy transfer devices and energy guiding devices uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with |
| 5647036 |
Projection display with electrically-controlled waveguide routing |
July 8, 1997 |
| A projection display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5630004 |
Controllable beam director using poled structure |
May 13, 1997 |
| A new class of energy interaction devices, particularly optical energy transfer devices and energy guiding devices, use an energy field, particularly an electric field, applied to a poled structure to control energy propagation in a solid material. The poled structures, which may for |
| 5586206 |
Optical power splitter with electrically-controlled switching structures |
December 17, 1996 |
| A new class of optical energy transfer devices and energy guiding devices uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with |
| 5581642 |
Optical frequency channel selection filter with electronically-controlled grating structures |
December 3, 1996 |
| Optical energy transfer devices and energy guiding devices use an electric field to control energy propagation using a class of poled structures in solid material in a channel dropping filter and splitter applications. The poled structures, which may form gratings in thin film or bulk |
| 5544268 |
Display panel with electrically-controlled waveguide-routing |
August 6, 1996 |
| A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover |
| 5513196 |
Optical source with mode reshaping |
April 30, 1996 |
| A laser cavity configuration employs a mode reshaping structure in a solid state waveguide. The mode reshaping may be by means of an adiabatic taper. Polarization switching may be employed in connection with the mode reshaping to obtain a high output power in a single transverse spatial |
| 5504772 |
Laser with electrically-controlled grating reflector |
April 2, 1996 |
| One or more lasers are combined with optical energy transfer devices and energy guiding devices which use an electric field for control. The optical energy transfer devices may form gratings, mirrors, lenses and the like using a class of poled structures in solid material. The poled |
| 5504763 |
System for minimizing the depolarization of a laser beam due to thermally induced birefringence |
April 2, 1996 |
| A system is disclosed for minimizing the depolarization of a laser beam due to thermally induced birefringence in a rod-shaped gain medium over a wide range of excitation levels. After passing through the gain medium, the polarization of the beam is rotated by ninety degrees and either |
| 5499256 |
Polarized frequency-selective optical source |
March 12, 1996 |
| A laser cavity configuration employs polarization switching to obtain a high output power in a single transverse spatial mode from an integrated external cavity diode laser device. The structure provides stabilization and rapid tuning of the frequency of the diode laser. An advantage is |
| 5491762 |
ATM switch with electrically-controlled waveguide-routing |
February 13, 1996 |
| Optical energy transfer devices and energy guiding devices arranged in an array use an electric field to control energy propagation. The energy transfer devices and guiding devices use a class of poled structures in solid material to realize a high-speed matrix switch, such as is known a |
| 5488681 |
Method for controllable optical power splitting |
January 30, 1996 |
| A method for operation of a new class of optical energy transfer devices and energy guiding devices uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, |
| 4140978 |
Method and apparatus for producing laser radiation following two-photon excitation of a gaseous |
February 20, 1979 |
| Method and apparatus for producing laser radiation by two-photon optical pumping of an atomic or molecular gaseous medium and subsequent lasing action. A population inversion is created as a result of two-photon absorption of the gaseous species. Stark tuning is utilized, if necessary, |
