| Patent Number |
Title Of Patent |
Date Issued |
| 7625771 |
Method of reducing insertion loss in a transition region between a plurality of input or output |
December 1, 2009 |
| A method for reducing insertion loss in a transition region between a plurality of input or output waveguides to a free space coupler region in a photonic integrated circuit (PIC) includes the steps of forming a passivation layer over the waveguides and region and forming the passiva |
| 7570845 |
Deployment of electro-optic amplitude varying elements (AVEs) and electro-optic multi-functional |
August 4, 2009 |
| Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, s |
| 7555220 |
Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of |
June 30, 2009 |
| An optical equalizer/dispersion compensator (E/CDC) comprises an input/output for receiving a multiplexed channel signal comprising a plurality of channel signals of different wavelengths. An optical amplifier may be coupled to receive, as an input/output, the multiplexed channel sig |
| 7551815 |
Method of monitoring and controlling the bit error rate (BER) in an optical communication networ |
June 23, 2009 |
| A method is disclosed for monitoring and controlling the bit error rate (BER) in an optical communication network where an optical receiver in the optical transmission network. The method includes the steps of decombining a combined channel signal received from the network and then m |
| 7546001 |
Monolithic photonic integrated circuit (PIC) with forward error correction (FEC) |
June 9, 2009 |
| Monolithic photonic integrated circuits (PICs) utilize forward error correction (FEC) joint encoder or plural encoders or a joint decoder or plural decoders. |
| 7539365 |
Deployment of electro-optic amplitude varying elements (AVEs) and electro-optic multi-functional |
May 26, 2009 |
| Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, s |
| 7529436 |
Optical combiner/decombiner with reduced insertion loss |
May 5, 2009 |
| A photonic integrated circuit that includes a plurality of active and passive components on a substrate where one of the components is an optical combiner/decombiner having at least one free space coupler region and a plurality of longitudinal ridge waveguides each extending in the c |
| 7526150 |
Deployment of electro-optic amplitude varying elements (AVES) and electro-optic multi-functional |
April 28, 2009 |
| Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, s |
| 7519246 |
Photonic integrated circuit (PIC) chips |
April 14, 2009 |
| A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to |
| 7512295 |
Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength |
March 31, 2009 |
| A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to |
| 7489838 |
Optical transmitter |
February 10, 2009 |
| An optical transmitter comprises an array of modulated sources having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. Signal outputs of the modulated sources are optically coupled to inputs of the wav |
| 7483599 |
Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip |
January 27, 2009 |
| A method of calibrating a monolithic transmitter photonic integrated circuit (TxPIC) chip is disclosed where the chip contains integrated arrays of laser sources and electro-optic modulators forming a plurality of different wavelength signal channels where each laser source on the ch |
| 7477807 |
Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip |
January 13, 2009 |
| A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to |
| 7471857 |
Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC) |
December 30, 2008 |
| An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs o |
| 7466882 |
Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip |
December 16, 2008 |
| A single monolithic transceiver chip for handling optical to electrical to optical conversion of optical WDM signals in an optical transmission network which has an optical WDM signal input for reception of a WDM signal and an optical WDM signal output for transmission of a WDM signal |
| 7437029 |
Method of manufacturing and apparatus for a transmitter photonic integrated circuit (TXPIC) chip |
October 14, 2008 |
| A monolithic photonic integrated circuit (PIC) chip where the active waveguide cores of the modulated sources of the PIC are multiple quantum wells (MQWs) and the passive waveguide cores of an optical combiner are a bulk layer or material. The cores of the waveguide cores may be a qu |
| 7340122 |
Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in |
March 4, 2008 |
| A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to |
| 7324719 |
Method tuning optical components integrated in a monolithic photonic integrated circuit (PIC) |
January 29, 2008 |
| A method of tuning optical components integrated on a monolithic semiconductor chip having a plurality of first optical components integrated on the chip with each fabricated to approximate an emission wavelength along a given wavelength grid and together forming a first optical comp |
| 7295783 |
Digital optical network architecture |
November 13, 2007 |
| A digital optical network (DON) is a new approach to low-cost, more compact optical transmitter modules and optical receiver modules for deployment in optical transport networks (OTNs). One important aspect of a digital optical network is the incorporation in these modules of transmi |
| 7283694 |
Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs |
October 16, 2007 |
| A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to |
| 7280715 |
Formation of cleaved grooves in a passivation layer formed over a surface of a wafer prior to wa |
October 9, 2007 |
| Cleaved grooves, also referred to herein as "cleave streets", are formed exclusively in a wafer passivation layer overlaying a wafer to provide for correctly aligned and sharp cleaves prior to singulation of the wafer into separate die or chips. The deployment of cleave streets is ap |
| 7236656 |
Optical transport network |
June 26, 2007 |
| An optical transport network comprises a monolithic transmitter photonic integrated circuit (TxPIC) InP-based chip and a monolithic receiver photonic integrated circuit (RxPIC) InP-based chip. |
| 7224858 |
Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an op |
May 29, 2007 |
| An optical receiver photonic integrated circuit (RxFIC) comprises a semiconductor monolithic chip having an input to receive from an optical transmissior link a combined channel signal originating from an optical transmitter source and comprising a plurality of channel signals having |
| 7208770 |
Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic i |
April 24, 2007 |
| In photonic integrated circuits (PICs) having at least one active semiconductor device, such as, a buried heterostructure semiconductor laser, LED, modulator, photodiode, heterojunction bipolar transistor, field effect transistor or other active device, a plurality of semiconductor l |
| 7200296 |
Monolithic photonic integrated circuit (PIC) CHIP |
April 3, 2007 |
| An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs o |
| 7162113 |
Deployment of electro-optic amplitude varying elements (AVEs) and electro-optic multi-functional |
January 9, 2007 |
| Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, s |
| 7158699 |
Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic int |
January 2, 2007 |
| A method is disclosed for optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC) chip by providing an integrated channel signal demultiplexing with multiple waveguide input verniers provided to an WDM signal demultiplexer. The Rx |
| 7155078 |
Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an o |
December 26, 2006 |
| An optical transmitter photonic integrated circuit (TxPIC) comprises a semiconductor monolithic chip with a plurality of optical signal channels where each channel comprises a modulated signal source. The output from the modulated signal sources are coupled to an input of an integrated |
| 7136546 |
Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of la |
November 14, 2006 |
| A method and apparatus operates an array of laser sources as an integrated array on a single substrate or as integrated in an optical transmitter photonic integrated circuit (TxPIC) maintaining the emission wavelengths of such integrated laser sources at their targeted emission wavelengt |
| 7135382 |
In-wafer testing of integrated optical components in photonic integrated circuits (PICs) |
November 14, 2006 |
| Disclosed is a method of in-wafer testing of integrated optical components and in-wafer chips with photonic integrated circuits (PICs). |
| 7123786 |
Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission n |
October 17, 2006 |
| An optical-to-electrical-to-optical converter comprises a monolithic receiver photonic integrated circuit (RxPIC) InP-based chip comprising an optical waveguide formed in the chip from a chip input to receive a first multiplexed channel signal from an optical link and provide them to an |
| 7122846 |
Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic i |
October 17, 2006 |
| In photonic integrated circuits (PICs) having at least one active semiconductor device, such as, a buried heterostructure semiconductor laser, LED, modulator, photodiode, heterojunction bipolar transistor, field effect transistor or other active device, a plurality of semiconductor l |
| 7116861 |
Method of monitoring and controlling the bit error rate (BER) in an optical communication networ |
October 3, 2006 |
| A method is disclosed for monitoring and controlling the bit error rate (BER) in an optical communication network where an optical receiver in the optical transmission network is a monolithic photonic integrated circuit (RxPIC) chip. The method includes the steps of decombining on-ch |
| 7116851 |
Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving |
October 3, 2006 |
| Photonic integrated circuits (PICs), also referred to as opto-electronic integrated circuits (OEICs), and more particularly to a PIC in the form of an optical receiver PIC or RxPIC chip and an optical transmitter PIC (TxPIC) are employed in an optical transport network. Integrated on the |
| 7113667 |
FEC enhanced system for an optical communication network |
September 26, 2006 |
| A FEC enhanced system for an optical transport or communication network that includes an optical transmitter that has a transmitter photonic integrated circuit (TxPIC) chip having an integrated circuit comprising an array of modulated sources providing a plurality of optical modulated |
| 7110631 |
Method of adjusting a center wavelength of modulated sources wavelength grid with the passband o |
September 19, 2006 |
| Disclosed is a method of adjusting a center channel wavelength of a group of channel wavelengths from of a plurality of modulated sources, integrated in a photonic integrated circuit (PIC), relative to the center of a wavelength passband of an optical combiner, such as an arrayed wav |
| 7103239 |
Optical transmitter |
September 5, 2006 |
| An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs o |
| 7092589 |
Method of tuning integrated laser sources with integrated wavelength tuning elements on the same |
August 15, 2006 |
| A method of operating an array of integrated laser sources formed as an integrated array on a single substrate in a photonic integrated circuit (PIC) where the laser sources are designed for operation at different targeted emission wavelengths which, in toto, at least approximate a grid |
| 7087449 |
Oxygen-doped Al-containing current blocking layers in active semiconductor devices |
August 8, 2006 |
| An active semiconductor device, such as, buried heterostructure semiconductor lasers, LEDs, modulators, photodiodes, heterojunction bipolar transistors, field effect transistors or other active devices, comprise a plurality of semiconductor layers formed on a substrate with one of th |
| 7082231 |
Optical waveguide device with reduced insertion loss between optical waveguides coupled to a fre |
July 25, 2006 |
| An optical waveguide device, power coupler, a star coupler, a MMI coupler, an arrayed waveguide grating (AWG) or an Echelle grating, having at least one free space region with a plurality of optical waveguides coupled as inputs and separated by channels having a angled bottom portion, th |
| 7079721 |
Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of la |
July 18, 2006 |
| A method and apparatus operates an array of laser sources as an integrated array on a single substrate or as integrated in an optical transmitter photonic integrated circuit (TxPIC) maintaining the emission wavelengths of such integrated laser sources at their targeted emission wavelengt |
| 7079720 |
Method of operating an array of laser sources integrated in a monolithic chip or in a photonic i |
July 18, 2006 |
| A method of operating an array of laser sources integrated as an array in a single monolithic chip where the steps include designing the laser sources to have different target emission wavelengths so that together they form a spectral emission wavelength grid, coupling outputs from the |
| 7079719 |
Method of tuning optical components integrated on a monolithic chip |
July 18, 2006 |
| A method of tuning optical components integrated on a monolithic chip, such as an optical transmitter photonic integrated circuit (TxPIC), is disclosed where a group of first optical components are each fabricated to have an operating wavelength approximating a wavelength on a standa |
| 7079718 |
Optical probe and method of testing employing an interrogation beam or optical pickup |
July 18, 2006 |
| An optical probe and a method for testing an optical chip or device, such as an photonic integrated circuit (PIC), to provide for testing of such devices or circuits while they are still in their in-wafer form and is accomplished by using a an optical probe for interrogation of the circu |
| 7079715 |
Transmitter photonic integrated circuit (TxPIC) chip architectures and drive systems and wavelen |
July 18, 2006 |
| A monolithic transmitter photonic integrated circuit (TxPIC) chip comprises an array of modulated sources formed on the PIC chip and having different operating wavelengths according to a standardized wavelength grid and providing signal outputs of different wavelengths. Pluralities o |
| 7076126 |
Passivation of photonic integrated circuits (PICs) |
July 11, 2006 |
| A photonic integrated circuit (PIC) comprises a plurality of integrated optically coupled components formed in a surface of the PIC and a passivating layer overlies at least a portion of the PIC surface. The overlying passivating layer comprises a material selected from the group con |
| 7072557 |
InP-based photonic integrated circuits with Al-containing waveguide cores and InP-based array wa |
July 4, 2006 |
| The Group III V quaternary, InAlGaAs is employed as a waveguide layer in optical components, such as In-P based array waveguide gratings (AWGs), avalanche photodiodes (APDs) or other optical components that contain a waveguide core in the InP regime. The deployment of InAlGaAs waveguides |
| 7065266 |
Benzocyclobutene polymer (BCB) as a passivation layer for optical passive elements |
June 20, 2006 |
| An InP-based photonic integrated circuit (PIC) includes an optical passive element in the circuit with no bias current applied to such an element. A passivation cladding layer overlies a surface of the optical passive element where the passivation layer comprises benzocyclobutene polymer |
| 7060517 |
Method of reducing insertion loss in a transition region between a plurality of input or output |
June 13, 2006 |
| A method for reducing insertion loss in a transition region between a plurality of input or output waveguides to a free space coupler region in a photonic integrated circuit (PIC) includes the steps of forming a passivation layer over the waveguides and region and forming the passiva |
| 7058263 |
Optical transport network |
June 6, 2006 |
| An optical transport network comprises a monolithic transmitter photonic integrated circuit (TxPIC) InP-based chip and a monolithic receiver photonic integrated circuit (RxPIC) InP-based chip. |
