| Patent Number |
Title Of Patent |
Date Issued |
| 7415049 |
Laser with tilted multi spatial mode resonator tuning element |
August 19, 2008 |
| An external cavity laser has a mirror-based resonant tunable filter, such as a Fabry Perot tunable filter or Gires-Tournois interferometer tuning element, with the tunable filter being preferably used as a laser cavity mirror. A mirror-based resonant tunable filter is selected in which t |
| 7406107 |
Semiconductor spectroscopy system |
July 29, 2008 |
| An optical power control system for a semiconductor source spectroscopy system controls power fluctuations in the tunable signal from the spectroscopy system and thus improves the noise performance of the system. This general solution has advantages relative to other systems that sim |
| 7375812 |
Method and system for reducing parasitic spectral noise in tunable semiconductor source spectros |
May 20, 2008 |
| A spectroscopy system comprises a tunable semiconductor laser, such as an external cavity laser, that generates a tunable signal. A detector is provided for detecting the tunable signal after interaction with a sample. In this way, the system is able to determine the spectroscopic re |
| 7348541 |
Optical channel monitoring system with simultaneous C-band and L-band detection |
March 25, 2008 |
| A monitoring system has the capability to monitor multiple signal bands simultaneously. Specifically, in one embodiment, the monitoring system can simultaneously monitor the C- and L-bands. As a result, the time to scan through the spectral band can be reduced by half. The system com |
| 7324569 |
Method and system for spectral stitching of tunable semiconductor sources |
January 29, 2008 |
| A multi semiconductor source tunable spectroscopy system has two or more semiconductor sources for generating tunable optical signals that are tunable over different spectral bands. The system enables the combination of these tunable signals to form an output signal that is tunable over |
| 7292344 |
Integrated spectroscopy system |
November 6, 2007 |
| Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable sources. The tunable source combines one or multiple diodes, such as superluminescent |
| 7249894 |
System and process for post alignment polarization extinction ratio compensation in semiconducto |
July 31, 2007 |
| A system and process for tuning the PER of an electronic system during and/or after its manufacture includes fixtures that allow for the axial rotation of the polarization-maintaining optical fiber relative to the optical system after the optical fiber has been installed in the system. |
| 7242509 |
MEMS Fabry Perot filter for integrated spectroscopy system |
July 10, 2007 |
| Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable sources. The tunable source combines one or multiple diodes, such as superluminescent |
| 7230710 |
Polarization controlling fiber probe for semiconductor source spectroscopy system |
June 12, 2007 |
| A semiconductor source spectroscopy system controls optical power variation of the tunable signal due to polarization dependent loss in the system and thus improves the noise performance of the system. It relies on using polarization control between the source and the sample and/or t |
| 7208333 |
Process for fabricating MEMS membrane with integral mirror/lens |
April 24, 2007 |
| An optical membrane device and method for making such a device are described. This membrane is notable in that it comprises an optically curved surface. In some embodiments, this curved optical surface is optically concave and coated, for example, with a highly reflecting (HR) coatin |
| 7157712 |
Method and system for noise control in semiconductor spectroscopy system |
January 2, 2007 |
| An optical power control system for a semiconductor source spectroscopy system controls power fluctuations in the tunable signal from the spectroscopy system and thus improves the noise performance of the system. This general solution has advantages relative to other systems that sim |
| 7095776 |
Interferometric filter wavelength meter and controller |
August 22, 2006 |
| A wavelength measurement system uses birefringent material waveplate, thereby producing a substantially sinusoidal spectral response. As a result, the responses of multiple birefringent filters can be combined to yield a filter system with a periodic frequency response that has an ad |
| 7076860 |
Optical system manufacturing and alignment system |
July 18, 2006 |
| An optical component manipulation system has two opposed jaws, which can each be independently positioned relative to each other in a coordinate plane to thereby effect the desired positioning of optical components within the larger system. Z-axis rigidity is provided by air-bearings. |
| 7061618 |
Integrated spectroscopy system |
June 13, 2006 |
| Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable sources. The tunable source combines one or multiple diodes, such as superluminescent |
| 7027472 |
Fixed wavelength single longitudinal mode coolerless external cavity semiconductor laser system |
April 11, 2006 |
| A fixed wavelength, external cavity semiconductor laser comprises a semiconductor laser gain medium and an intra-cavity filter having a filter function specifying a frequency of operation of the laser. This distinguishes it from distributed feedback Bragg reflector systems in which t |
| 7003211 |
Optical system production system |
February 21, 2006 |
| Mounting and alignment structures for optical components allow optical components to be connected to an optical bench and then subsequently aligned, i.e., either passively or actively, in a manufacturing or subsequent calibration or recalibration, alignment or realignment processes. |
| 6905255 |
Integrated optical system monitoring system |
June 14, 2005 |
| An integrated optical monitoring system comprises a hermetic package and an optical bench sealed within the package. An optical fiber pigtail enters the package via a feed-through to connect to and terminate above the bench. A tunable filter is connected to the top of the bench and filte |
| 6892444 |
Optical system manufacturing and alignment system |
May 17, 2005 |
| An optical component manipulation system has two opposed jaws, which can each be independently positioned relative to each other in a coordinate plane to thereby effect the desired positioning of optical components within the larger system. Z-axis rigidity is provided by air-bearings. |
| 6836366 |
Integrated tunable fabry-perot filter and method of making same |
December 28, 2004 |
| A tunable Fabry-Perot filter includes an optical cavity bounded by a stationary reflector and a deformable or movable membrane reflector. A second electrostatic cavity outside of the optical cavity includes a pair of electrodes, one of which is mechanically coupled to the movable mem |
| 6833532 |
Method and system for feedback control of optical fiber lens fusing |
December 21, 2004 |
| A method and system for fusing an optical fiber lens is compatible with automation. Specifically, the fusing of the fiber lens is controlled in response to a diffraction pattern of light exiting from the fiber lens. This diffraction pattern is indicative of the lens shape and charact |
| 6829399 |
Rolling shutter optical switch device with dimples on shutter, annular rim at optical port and s |
December 7, 2004 |
| An optical switch device includes a rolling shutter or membrane attached at one of its edges to a substrate near an optical port in the substrate. The rolling shutter can assume one of two states. In a first closed state, the membrane is uncoiled onto the substrate over the port such tha |
| 6790698 |
Process for integrating dielectric optical coatings into micro-electromechanical devices |
September 14, 2004 |
| A process for patterning dielectric layers of the type typically found in optical coatings in the context of MEMS manufacturing is disclosed. A dielectric coating is deposited over a device layer, which has or will be released, and patterned using a mask layer. In one example, the coatin |
| 6776536 |
Integrated optical system monitoring system |
August 17, 2004 |
| An integrated optical monitoring system comprises a hermetic package and an optical bench sealed within a package. An optical fiber pigtail enters the package via a feed-through to connect and terminate above the bench. A tunable filter is connected to the top of the bench and filters an |
| 6768756 |
MEMS membrane with integral mirror/lens |
July 27, 2004 |
| An optical membrane device and method for making such a device are described. This membrane is notable in that it comprises an optically curved surface. In some embodiments, this curved optical surface is optically concave and coated, for example, with a highly reflecting (HR) coatin |
| 6765710 |
Interference tabs for avoiding snapdown of optical membrane and fabrication process |
July 20, 2004 |
| Tabs or stops are integrated into a membrane structure to prevent its snapdown. Features comprising two surfaces separated by a distance equal to the maximum desired range of movement are produced. When the two surfaces contact, the motion of the structure is arrested or greatly dimi |
| 6747793 |
System with integrated semiconductor optical amplifier array and switching matrix |
June 8, 2004 |
| An optical amplifier array is integrated with a switching matrix with a tunable filter. As a result, switching and amplification can be performed in a common hermetic package, for example, thus offering advantages associated with small footprint and low cost. The optional integration of |
| 6728434 |
MEMS dynamic optical spectral filter |
April 27, 2004 |
| A dynamic optical spectral filter is implemented in a microelectromechanical system (MEMS). It comprises a frame. An array of mirrors is provided on a first portion of the frame, along with a second array of adjustment mirrors on a second portion of the frame. An array of variable be |
| 6704150 |
Bonder chuck and optical component mounting structure interface |
March 9, 2004 |
| 12 of 12 An optical component is adapted for pick-and-place-style installation on an optical submount or bench and compatible with a chuck of a bonder that picks-up the optical component, places it on the optical bench, and then typically solder bonds the optical component to the bench. |
| 6690864 |
System and method for installation and alignment of optical fiber |
February 10, 2004 |
| An automated system and method for location and insertion of a fiber optic end in the ferrule of a hybrid package provides for efficient and accurate alignment. In one embodiment, the fiber is mounted on a fiber chuck that is presented to the package by a micropositioner having four degr |
| 6671078 |
Electrostatic zipper actuator optical beam switching system and method of operation |
December 30, 2003 |
| A zipper actuator for optical beam control has an optical port formed through the substrate. The cantilevered beam of the actuator preferably includes a paddle for switching the optical signal. Mirror structures can be provided on the paddle for beam switching. In some embodiments, MEMS |
| 6643075 |
Reentrant-walled optical system template and process for optical system fabrication using same |
November 4, 2003 |
| An optical system assembly technique utilizes a templating system for locating optical components 200 on optical benches 150. Specifically, the template system comprises a template substrate 102 that is placed over the optical bench. The substrate 102 has at least one alignment slot 104 |
| 6625372 |
Mounting and alignment structures for optical components |
September 23, 2003 |
| Mounting and alignment structures for optical components allow optical components to be connected to an optical bench and then subsequently aligned, i.e., either passively or actively, in a manufacturing or subsequent calibration or recalibration, alignment or realignment processes. |
| 6608711 |
Silicon on insulator optical membrane structure for fabry-perot MOEMS filter |
August 19, 2003 |
| A process for fabricating an optical membrane device comprises providing a handle wafer and then oxidizing a surface of the handle wafer to form an insulating layer. A device wafer is then bonded to the handle wafer. An optical membrane structure is formed in this device wafer. The insul |
| 6594059 |
Tilt mirror fabry-perot filter system, fabrication process therefor, and method of operation the |
July 15, 2003 |
| A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable the tilting of the first mirror structure relative to an optical axis, in addition to tr |
| 6594058 |
Rolling shutter optical switch device with mirror on shutter and open aperture optical port |
July 15, 2003 |
| An optical switch device includes a rolling shutter or membrane attached at one of its edges to a substrate near an optical port in the substrate. The rolling shutter can assume one of two states. In a first closed state, the membrane is uncoiled onto the substrate over the port such tha |
| 6559464 |
Optical system active alignment process including alignment structure attach, position search, a |
May 6, 2003 |
| Mounting and alignment structures for optical components allow optical components to be connected to an optical bench and then subsequently aligned, i.e., either passively or actively, in a manufacturing or subsequent calibration or recalibration, alignment or realignment processes. |
| 6554496 |
System and method for coupling beams into optical system across hermetic boundary |
April 29, 2003 |
| Optical fiber endfaces are fixtured across a hermetic boundary from an optical system. Beams are transmitted between the system and the endfaces through a window structure in the walls of the hermetic package. A mounting block is used to secure the endfaces to a common bench. In one |
| 6549548 |
Interferometric filter wavelength meter and controller |
April 15, 2003 |
| A wavelength measurement system uses birefringent material waveplate, thereby producing a substantially sinusoidal spectral response. As a result, the responses of multiple birefringent filters can be combined to yield a filter system with a periodic frequency response that has an ad |
| 6542659 |
Optical spectrum analyzer with beam switch array |
April 1, 2003 |
| An optical spectrum analyzer includes an integrated beam switch array. As a result, a single spectrum analyzer can be amortized across multiple optical links with pigtails transmitting the optical signals from separate optical links. The switch array providing one of the optical signals |
| 6538802 |
System and method for tilt mirror calibration due to capacitive sensor drift |
March 25, 2003 |
| A movable MEMS mirror system with a mirror position detection system, such as a capacitive sensor, is calibrated using a physical stop with a range of movement of the mirror structure. Thus, drift in the position detection system can be compensated without the need for a separate referen |
| 6525880 |
Integrated tunable fabry-perot filter and method of making same |
February 25, 2003 |
| A tunable Fabry-Perot filter includes an optical cavity bounded by a stationary reflector and a deformable or movable membrane reflector. A second electrostatic cavity outside of the optical cavity includes a pair of electrodes, one of which is mechanically coupled to the movable mem |
| 6519272 |
Long, high-power semiconductor laser with shifted-wave and passivated output facet |
February 11, 2003 |
| A semiconductor electro-optical device such as a laser or modulator comprises a ridge of active and wave-guiding semiconductor layers extending between two facets. In the preferred embodiment, cavity length is relatively long, i.e., the facets are separated by greater than a millimet |
| 6488567 |
System and method for automated fiber polishing |
December 3, 2002 |
| An improved system and method for automated fiber polishing overcomes the limitations of conventional systems and methods. In particular, the present invention provides for continuous determination of the quality of the polish during a polishing procedure. An optical signal is transmitte |
| 6487355 |
Mounting and alignment structures for optical components providing optical axis direction deform |
November 26, 2002 |
| A mounting and alignment structure of an optical component has an optical element interface. Optical elements, such as lenses or fibers are attached to the mounting structure at this interface. The structure further comprises a base. The base forms the part of the structure that is g |
| 6424466 |
Dual cavity MEMS tunable Fabry-Perot filter |
July 23, 2002 |
| A multi-cavity micro-optical Fabry-Perot filter uses electrostatically deflected MEMS membranes. The filter comprises a first electrostatically deflectable membrane device. A curved mirror structure is formed on its optical membrane. Similarly, a second electro-statically deflectable |
| 6416937 |
Optical component installation process |
July 9, 2002 |
| Mounting and alignment structures for optical components allow optical components to be connected to an optical bench and then subsequently aligned, i.e., either passively or actively, in a manufacturing or subsequent calibration or recalibration, alignment or realignment processes. |
| 6409395 |
Method for fabricating fiber arrays with precision fiber core-to-core pitch and height |
June 25, 2002 |
| A fiber array apparatus and formation method mitigates or eliminates height offset and/or angular offset of the respective fiber cores in the array. In one aspect, the fibers are mounted in the array such that the respective core-to-clad offset axes of the fibers, defined between the |
| 6407376 |
Optical channel monitoring system with self-calibration |
June 18, 2002 |
| An optical monitoring system provides for out-of-band calibration. As a result, calibration can be performed simultaneously with monitoring. This can be used to accomplish faster and/or more accurate scanning. In addition, the need for complex switching and/or multiplexing capabilities |
| 6404567 |
Bonder chuck and optical component mounting structure interface |
June 11, 2002 |
| An optical component is adapted for pick-and-place-style installation on an optical submount or bench and compatible with a chuck of a bonder that picks-up the optical component, places it on the optical bench, and then typically solder bonds the optical component to the bench. In the cu |
| 6385382 |
Alignment system optical component interface |
May 7, 2002 |
| A mechanical interface between a manipulation system and an optical component in which manipulation system jaws are adapted to engage an optical component at a handle and then deform the component. In some applications, an optical component is translationally or rotationally deformed |
