Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including an optical fiber coiled over at least a portion of its length; a support element disposed in the transceiver module; a substrate for securing said coiled optical fiber to said support element to enable said coiled fiber to bend from a first direction to a second opposite direction inside said transceiver module; and an optical multiplexer secured to said substrate for receiving first and second optical fibers and multiplexing respective optical signals on said first and second optical fibers into a multi-wavelength beam onto a third optical fiber.

Abstract: 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 information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate of at least 10 Gigabits per second on each interface, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate at least 40 Gigabits per second; and at least one electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signals.

Abstract: A hybrid integrated optical device includes a substrate comprising a silicon layer and a compound semiconductor device bonded to the silicon layer. The device also includes a bonding region disposed between the silicon layer and the compound semiconductor device. The bonding region includes a metal-semiconductor bond at a first portion of the bonding region. The metal-semiconductor bond includes a first pad bonded to the silicon layer, a bonding metal bonded to the first pad, and a second pad bonded to the bonding metal and the compound semiconductor device. The bonding region also includes an interface assisted bond at a second portion of the bonding region. The interface assisted bond includes an interface layer positioned between the silicon layer and the compound semiconductor device, wherein the interface assisted bond provides an ohmic contact between the silicon layer and the compound semiconductor device.

Abstract: A tunable laser includes a substrate comprising a silicon material and a gain medium coupled to the substrate. The gain medium includes a compound semiconductor material. The tunable laser also includes a waveguide disposed in the substrate and optically coupled to the gain medium, a first wavelength selective element characterized by a first reflectance spectrum and disposed in the substrate, and a second wavelength selective element characterized by a second reflectance spectrum and disposed in the substrate. The tunable laser further includes an optical coupler disposed in the substrate and joining the first wavelength selective element, the second wavelength selective element, and the waveguide and an output mirror.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including an optical fiber coiled over at least a portion of its length; a support element disposed in the transceiver module; a substrate for securing said coiled optical fiber to said support element to enable said coiled fiber to bend from a first direction to a second opposite direction inside said transceiver module; and an optical multiplexer secured to said substrate for receiving first and second optical fibers and multiplexing respective optical signals on said first and second optical fibers into a multi-wavelength beam onto a third optical fiber.

Abstract: An optical transceiver converting and coupling an information-containing electrical signal with an optical fiber including a housing conforming to the industry standard XENPAK™ form factor including an electrical connector for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical communications signal, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal. At least one electro-optical subassembly is provided in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal, along with a modular, interchangeable communications protocol processing printed circuit board in the housing for processing the communications signal into a predetermined electrical or optical communications protocol, such as the IEEE 802.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing, an electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal from which at least two optical fibers extends; and a flexible substrate for securing each of the optical fibers to prevent tangling in the housing interior and to enable said fibers to bend from a first orientation to a second orientation. An optical fiber receptacle or connector is provided on the housing to couple to an external optical fiber.

Abstract: An optical transmitter for generating a modulated optical signal for transmission over dispersive fiber optic links in which a first information-containing radio frequency signal input is applied to a modulation circuit for directly modulating a semiconductor laser with the signal input. The output of the laser is applied to a phase modulator to which a second information-containing radio frequency signal is applied.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing, an electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal from which at least two optical fibers extends; and a flexible substrate for securing each of the optical fibers to prevent tangling in the housing interior and to enable said fibers to bend from a first orientation to a second orientation. An optical fiber receptacle or connector is provided on the housing to couple to an external optical fiber.

Abstract: A hermetically sealed optical transmitter module for use in an optical transceiver converting and coupling an information-containing electrical signal with an optical fiber. A plurality of semiconductor lasers are provided on a common support in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal according to a standardized optical communications protocol, such as the IEEE 802.3ae 10 Gigabit BASE LX4 physical layer.

Abstract: An optical transceiver converting and coupling an information-containing electrical signal with an optical fiber including a housing conforming to the industry standard XENPAK™ form factor including an electrical connector for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical communications signal, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal. At least one electro-optical subassembly is provided in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal, along with a modular, interchangeable communications protocol processing printed circuit board in the housing for processing the communications signal into a predetermined electrical or optical communications protocol, such as the IEEE 802.

Abstract: An optical transmitter for converting and coupling an information-containing electrical signal with an optical fiber having an electrical input for coupling with an external electrical cable or information system device having a plurality of parallel data lines, a modulator for converting between an information-containing electrical signal on each data line and a multi-level digital pulse amplitude modulated signal corresponding to the binary electrical signal; and a signal timing circuit coupled to said modulator for aligning the data signal to a predetermined clock signal. The transmitter is preferably wavelength division multiplexed, using an electro-optical subassembly coupled to each respective timer circuit for converting between the information-containing electrical signal and a modulated optical signal corresponding to the electrical signal at a predetermined wavelength. The transceiver is preferably implemented in a pluggable standardized form factor.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical including a housing having an electrical connector with a plurality of XFI electrical interfaces for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate ate least 10 Gigabits per second on each interface, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate at least 40 Gigabits per second; and at least one electro-optical subassembly in the housing for converting between and information-containing electrical signal and a modulated optical signal corresponding to the electrical signals.

Abstract: A modular, hermetically sealed optical signal receiver subassembly for converting a modulated optical signal to a corresponding electrical signal including an optical demultiplexer coupled to a fiber optic connector receiving a multi-wavelength optical signal having a plurality of information-containing signals each with a different predetermined wavelength and functioning to demultiplex the optical signal into distinct first and second optical beams corresponding to the predetermined wavelength and substrate is provided that forms an optional reference path of the first and second beams respectively, the photodiodes functioning to convert the respective optical signals into an electrical signal.

Abstract: An optical transceiver converting and coupling an information-containing electrical signal with an optical fiber including a housing conforming to the industry standard XENPAK™ form factor including an electrical connector for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical communications signal, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal. At least one electro-optical subassembly is provided in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal, along with a modular, interchangeable communications protocol processing printed circuit board in the housing for processing the communications signal into a predetermined electrical or optical communications protocol, such as the IEEE 802.

Abstract: An optical transmitter for converting and coupling an information-containing electrical signal with an optical fiber having an electrical input for coupling with an external electrical cable or information system device having a plurality of parallel data lines, a modulator for converting between an information-containing electrical signal on each data line and a multi-level digital pulse amplitude modulated signal corresponding to the binary electrical signal; and a signal timing circuit coupled to said modulator for aligning the data signal to a predetermined clock signal. The transmitter is preferably wavelength division multiplexed, using an electro-optical subassembly coupled to each respective timer circuit for converting between the information-containing electrical signal and a modulated optical signal corresponding to the electrical signal at a predetermined wavelength. The transceiver is preferably implemented in a pluggable standardized form factor.

Abstract: An optical transceiver for including an electrical connector with a serial interface for coupling with an external electrical cable or information system device, a fiber optic connector adapted for coupling with an external optical fiber, and an electro-optical subassembly for converting between an information containing electrical signal and a modulated optical signal corresponding to the electrical signal including a transmitter subassembly including at least first and second lasers operating at different wavelengths and modulated with respective first and second electrical signals for emitting first and second laser light beams, and an optical multiplexer for receiving the first and second beams and multiplexing the respective optical signals into a single multi-wavelength beam.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing, an electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal from which at least two optical fibers extends; and a flexible substrate for securing each of the optical fibers to prevent tangling in the housing interior and to enable said fibers to bend from a first orientation to a second orientation. An optical fiber receptacle or connector is provided on the housing to couple to an external optical fiber.

Abstract: An optical transceiver for including an electrical connector with a serial interface for coupling with an external electrical cable or information system device, a fiber optic connector adapted for coupling with an external optical fiber, and an electro-optical subassembly for converting between an information containing electrical signal and a modulated optical signal corresponding to the electrical signal including a transmitter subassembly including at least first and second lasers operating at different wavelengths and modulated with respective first and second electrical signals for emitting first and second laser light beams, and an optical multiplexer for receiving the first and second beams and multiplexing the respective optical signals into a single multi-wavelength beam.

Abstract: An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing, an electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal from which at least two optical fibers extends; and a flexible substrate for securing each of the optical fibers to prevent tangling in the housing interior and to enable said fibers to bend from a first orientation to a second orientation. An optical fiber receptacle or connector is provided on the housing to couple to an external optical fiber.