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| Number | Title | Issue Date |
| 8145060 | Passive optical network transceiver with temperature compensation circuit A passive optical network transceiver includes an avalanche photodiode, a bias voltage generator for supplying a bias voltage to the avalanche photodiode, a temperature detector for measuring the operating temperature of the avalanche photodiode, a memory for storin... | 03/27/2012 |
| 8068745 | RF signal power regulation in optical transmitters A circuit controlling the gain of an amplifier in an optical transmitter used for optical communication, including a detection circuit for measuring the power of the RF input to a laser; a gain controller or controlling a gain of an amplifier, and a switch connected... | 11/29/2011 |
| 8064778 | Method and apparatus for controlling tunable transmitter chirp A fiber-optic transmission system includes a transmitter having a designed chirp value. The transmitter has first and second inputs for receiving first and second input signals, respectively, used to produce a modulated output signal. An optical fiber is responsive ... | 11/22/2011 |
| 8064773 | Multi-channel optical communication An optical fiber communications apparatus comprises a housing provided with a motherboard and a plurality of modular cards , each of which is engageable with the motherboard via one of the card receptors. A optical card includes an optical transceiver for communicat... | 11/22/2011 |
| 8023830 | Externally modulated laser optical transmission system with feed forward noise cancellation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; a modulator for externally modulating the optical output signal with a RF signal to produce an optical signal including ... | 09/20/2011 |
| 8022495 | PIN diode structure with zinc diffusion region A PIN photodiode having a substrate, a first type electrode layer disposed on the substrate, a first layer of intrinsic material disposed over a portion of the first-type electrode layer, and a first type window layer disposed over the intrinsic layer. An island sha... | 09/20/2011 |
| 8000358 | Power monitoring system for a parallel optical transmitter A power monitoring system uses a low loss reflective element to partially split the output laser beams from an array of laser sources, in a parallel configuration, to produce a monitor beams for each laser source. Each of these monitor beams may propagate within the... | 08/16/2011 |
| D640971 | VCSEL array and mounting support | 07/05/2011 |
| 7961770 | Optoelectronic module with integrated monitoring photodiode array for a parallel optical transmitter A power monitoring system uses a low loss reflective element to partially split the output laser beams from an array of laser sources, in a parallel configuration, to produce a monitor beams for each laser source. Each of these monitor beams may propagate within the... | 06/14/2011 |
| 7961374 | Thermal control of optical filter with local silicon frame Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation.... | 06/14/2011 |
| 7941053 | Optical transceiver for 40 gigabit/second transmission An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical connector with a plurality of XFI electrical interfaces for coupling with an external electrical cable or in... | 05/10/2011 |
| 7937952 | Thermoelectric cooler with multiple temperature zones The present application is directed to thermoelectric coolers that include multiple temperature zones. The thermoelectric cooler may include a first series of thermoelectric intermediate members interconnecting a second plate with a first section of a first plate, a... | 05/10/2011 |
| D637637 | Tunable Laser Assembly | 05/10/2011 |
| 7936453 | Terahertz frequency domain spectrometer with integrated dual laser module An apparatus for analyzing, identifying or imaging a target including an integrated dual laser module coupled to a pair of photoconductive switches to produce CW signals in the range of frequencies from 100 GHz to over 2 THz focused on and transmitted through or ref... | 05/03/2011 |
| 7918611 | Reconfiguration and protocol adaptation of optoelectronic modules and network components An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for coupling with an external cable or information system device and for transmitting and receiving ... | 04/05/2011 |
| 7907649 | Bias signal generation for a laser transmitter in a passive optical network The teachings presented herein disclose a method and apparatus for controlling the optical power of a laser in a passive optical network transmitter that outputs a modulated optical signal responsive to a modulated input signal. In one or more embodiments, such a co... | 03/15/2011 |
| 7893463 | Integrated devices on a common compound semiconductor III-V wafer An integrated pair of HBT and FET transistors shares a common compound semiconductor III-V epitaxial layer. The integrated pair of transistors includes a semi-insulating substrate of a compound semiconductor III-V material, a first epitaxial structure disposed on to... | 02/22/2011 |
| 7881621 | Optical transmission system with directly modulated laser and feed forward noise cancellation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; an input coupled to the laser for directly amplitude modulating the laser with an RF signal to produce an optical signal... | 02/01/2011 |
| 7848661 | Directly modulated laser optical transmission system with phase modulation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; an input coupled to the laser for directly amplitude modulating the laser with an analog RF signal to produce an output ... | 12/07/2010 |
| 7856185 | Wireless monitoring of optoelectronic modules and network components An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for coupling with an external cable or information system device and for transmitting and receiving ... | 12/21/2010 |
| 7855867 | PON transceiver with a surge protection circuit A passive optical network transceiver including a surge protection circuit so as to protect the electro-optical circuitry from lightning or other electrical surges. The surge protection circuit includes a ground line and at least one capacitor provided in a first li... | 12/21/2010 |
| 7853155 | Method for adjusting bias in optical transmitter with external modulator A method for operating an optical transmitter for transmission of an optical signal over a dispersive fiber optic media to a remote receiver. The method includes the steps of providing a respective bias level of a first RF signal and a second RF signal input to an o... | 12/14/2010 |
| 7853150 | Identification and authorization of optoelectronic modules by host system An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for detachably coupling with an external cable or information system device and for transmitting and... | 12/14/2010 |
| 7822301 | Simple fiducial marking for quality verification of high density circuit board connectors A printed circuit board with a printed pattern of fiducial marks on a first side of the printed circuit board including a first indicia including a right triangle with its base parallel to a first edge of the board and an alignment mark adjacent thereto, and a secon... | 10/26/2010 |
| 7805622 | Pluggable transceiver module A pluggable module connected to the backplane or other connection interface of an information system unit so as to provide additional functionality thereto (such as a communications interface to an electrical or fiber optics cable), and arranged to draw electrical p... | 09/28/2010 |
| 7794157 | Wireless tuning and reconfiguration of network units including optoelectronic components A method for monitoring conditions or adjusting a communications transmission characteristic, such as the optical wavelength, in a network unit such as a server, data storage unit, router, or switch, using a portable terminal having wireless RF communications capabi... | 09/14/2010 |
| 7794156 | Internal EMI washer for optical transceiver with parallel optic fiber ribbon An optical transceiver including an optical fiber ribbon, a housing permanently attached to the optical fiber ribbon, and an electrical connector extending from the housing. An electro/optical converter is disposed within the housing including an array of VCSELs and... | 09/14/2010 |
| 7792432 | Externally modulated laser optical transmission system with feed forward noise cancellation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; a modulator for externally modulating the optical output signal with a RF signal to produce an optical signal including ... | 09/07/2010 |
| 7791591 | Optical mouse using VCSELs An optical mouse for controlling a cursor on a display. The mouse emits a light beam that interacts with a target surface and receives reflected light therefrom to detect movement of the mouse. The mouse includes a housing, a single-mode VCSEL disposed within the ho... | 09/07/2010 |
| 7787767 | Eye safety in electro-optical transceivers An electro-optical transceiver module having at least one parallel optical transmit lane and at least one parallel optical receiver lane, the module comprising optical receiver lane signal detection circuitry to detect a loss of signal on one or more of the receive ... | 08/31/2010 |
| 7781736 | Terahertz frequency domain spectrometer with controllable phase shift An apparatus for analyzing, identifying or imaging an target including an integrated dual laser module coupled to a pair of photoconductive switches to produce cw signals in the range of frequencies from 100 GHz to over 2 THz focused on and transmitted through or re... | 08/24/2010 |
| D621864 | Laser assembly | 08/17/2010 |
| 7771071 | Thermal control of optical filter with local silicon frame Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation.... | 08/10/2010 |
| 7746476 | Fiber optic gyroscope A fiber optic gyroscope including an optical circulator in the path of said first and second beams for providing polarized first and second beams of identical polarization. A phase modulator couples the first and second beams to the first and second end respectively... | 06/29/2010 |
| 7736068 | Wireless tuning and reconfiguration of optoelectronic modules A method for adjusting a communications transmission characteristic, such as the optical wavelength, in an optoelectronic module having a tunable laser subassembly for converting and coupling an information-containing electrical signal with an optical fiber includin... | 06/15/2010 |
| 7734183 | XFI-XAUI integrated circuit for use with 10GBASE-LX4 optical transceivers A single chip integrated circuit for use in an optical transceiver for converting and coupling an information containing electrical signal with an optical fiber having an XFI interface for coupling with an external electrical cable or information system device, and ... | 06/08/2010 |
| 7720385 | Device and method for provision of customized system for optical transmission of data Device and method for fiberoptic transmission for a plurality of different communication protocols. A single electronic card is adaptable to any of a plurality of communication protocol configurations designed by the user. ... | 05/18/2010 |
| 7672068 | Sub-micron adjustable mount for supporting a component and method An optical assembly includes a light path and at least one optic to be positioned in the path. A support arrangement supports the optic having a foot arrangement including at least one foot that receives a direct manipulation with the foot slidingly engaged against ... | 03/02/2010 |
| 7661886 | Apparatus for electro-optical device connection An optical fiber connector for releasably coupling an optical fiber to an electro-optical module is disclosed. The optical fiber connector includes a housing, a strain relief, a fiber retention clip, and a pair of latching arms. The housing includes a housing bore d... | 02/16/2010 |
| 7660128 | Apparatus for electrical and optical interconnection A circuit package includes a circuit substrate having a cutout portion defined therein, an interconnect electrically coupled to the circuit substrate and an active circuit component disposed off the circuit substrate within the cutout portion and electrically couple... | 02/09/2010 |
