PRINTED CIRCUIT BOARD POSITIONING MECHANISM
Granted: August 28, 2008
Application Number:
20080205827
In one example embodiment, a printed circuit board positioning mechanism includes a solderable plate and a compressible structure attached to the solderable plate.
ANGULAR SEAM FOR AN ELECTRONIC MODULE
Granted: August 28, 2008
Application Number:
20080205893
In one example embodiment, an angular seam includes a first complementary structure defined in a first shell of an optoelectronic transceiver module, and a second complementary structure defined in a second shell of the optoelectronic transceiver module. The second complementary structure is configured to receive the first complementary structure so that an angular seam is defined that is substantially non-transmissive to electromagnetic radiation.
OPTICAL SUBASSEMBLY POSITIONING DEVICE FOR AN ELECTRONIC MODULE
Granted: August 28, 2008
Application Number:
20080205895
In one example embodiment, an optical subassembly (OSA) positioning device includes a front piece, a top back piece, and a top connector piece connecting the front piece and the top back piece, a bottom back piece, and a bottom connector piece connecting the from piece ad the bottom back piece. The front piece defines a first port. The first port is configured to receive and substantially secure a first OSA in an x-axis position and a y-axis position when the OSA positioning device is…
POSITIONING PLATE FOR OPTICAL SUBASSEMBLY
Granted: August 28, 2008
Application Number:
20080205896
In one example, an optical subassembly positioning plate is provided that includes a substantially flat body that defines at least one edge. A port is defined in the body. The port is configured to receive and secure an optical subassembly in an x-direction and a y-direction when said optical subassembly positioning plate is positioned within an optoelectronic transceiver module. A plurality of fingers is defined along at least one edge of the body. Each of the plurality of fingers is…
STATUS LINK FOR MULTI-CHANNEL OPTICAL COMMUNICATION SYSTEMS
Granted: August 28, 2008
Application Number:
20080205900
A robust and redundant status link is established by a first multi-channel optoelectronic device with a second multi-channel optoelectronic device in a multi-channel communication link. Transmitter bias currents are effectively modulated with a status link modulation signal representative of status data and subsequently modulated with primary data modulation signals. The resulting signals are transformed into optical signals and transmitted over the link as main communication links…
CLEAVING EDGE-EMITTING LASERS FROM A WAFER CELL
Granted: August 28, 2008
Application Number:
20080206913
In one example embodiment, a process for cleaving a wafer cell includes several acts. First a wafer cell is affixed to an adhesive film. Next, the adhesive film is stretched substantially uniformly. Then, the adhesive film is further stretched in a direction that is substantially orthogonal to a predetermined reference direction. Next, the wafer cell is scribed to form a notch that is oriented substantially parallel to the predetermined reference direction. Finally, the wafer cell is…
COLLAR CLIP FOR AN ELECTRONIC MODULE
Granted: August 28, 2008
Application Number:
20080207039
In one example embodiment, a collar clip includes a body that is sized and configured to partially encircle a shell of an optoelectronic transceiver module. Each extended element in a pair of the extended elements is separated from the other extended element in the pair by a cavity. Each cavity is configured to receive a portion of a corresponding structure of the shell.
RIDGE WAVEGUIDE LASER WITH A COMPRESSIVELY STRAINED LAYER
Granted: August 28, 2008
Application Number:
20080205466
In one example embodiment, a ridge waveguide (RWG) laser includes a substrate, an active layer disposed above the substrate, a ridge structure disposed above the active layer, a contact layer disposed above the ridge structure, a compressively strained dielectric passivation layer disposed above the active layer and extending along either side of the ridge structure such that the passivation layer is in substantial contact with each side of the ridge structure, and a top metallic contact…
WDM PON BASED ON DML
Granted: August 14, 2008
Application Number:
20080193132
Low-cost FP lasers can be implemented in the upstream links of a WDM PON system by configuring them for single-mode operation. In a typical embodiment, an FP laser at a subscriber unit is injection seeded with CW seed light from a DFB laser or an ASE source at a central office to enable single-mode operation of the FP laser. The FP laser is directly modulated and the resulting optical data signal is transmitted upstream to the central office. At the central office, an optical spectrum…
SLOW CHIRP COMPENSATION FOR ENHANCED SIGNAL BANDWIDTH AND TRANSMISSION PERFORMANCES IN DIRECTLY MODULATED LASERS
Granted: August 14, 2008
Application Number:
20080193144
The frequency chirp modulation response of a directly modulated laser is described using a small signal model that depends on slow chirp amplitude s and slow chirp time constant ?s. The small signal model can be used to derive an inverse response for designing slow chirp compensation means. Slow chirp compensation means include electrical compensation, optical compensation, or both. Slow chirp electrical compensation can be implemented with an LR filter or other RF circuit coupled to a…
OPTICAL NETWORK UNIT TRANSCEIVER MODULE WITH ARRAYED I/O VIDEO CONTACTS
Granted: August 14, 2008
Application Number:
20080193140
Pluggable ONU transceiver modules are disclosed that include an optical connector configured to connect to an optical network. The pluggable ONU transceiver modules further includes a transmit line including a laser driver and a laser. The pluggable ONU transceiver modules further includes a first receive line including a first optical receiver and a first post amplifier. The pluggable ONU transceiver modules further includes a second receive line including a second optical receiver and…
COLLIMATED BALL LENSES FOR OPTICAL TRIPLEXERS
Granted: August 14, 2008
Application Number:
20080193135
Optical triplexers are disclosed. The optical triplexers include an optical fiber, a first ball lens optically coupling a first optical signal between a first opto-electronic device and a first wavelength selective filter, and a second ball lens optically coupling a second optical signal between a second opto-electronic device and the first wavelength selective filter. The optical triplexers further include a second wavelength selective filter optically coupling the first and second…
SINGLE PIECE DIPLEXER AND TRIPLEXER HOUSING
Granted: August 14, 2008
Application Number:
20080193088
A single piece optoelectronic module housing is disclosed herein. The housing comprises a first receptacle configured to receive a first optical assembly, a second receptacle configured to receive a second optical assembly, and a third receptacle configured to receive an optical fiber. In some embodiments at least one angled surface configured to have a filter placed thereon is included. In other embodiments, two or more angled pocket receptacles configured to have one or more optical…
HIGH-SPEED INTERCONNECTS
Granted: August 14, 2008
Application Number:
20080191818
In one example embodiment, a high-speed transponder includes a printed circuit board having a set of coplanar high-speed traces, and a high-speed circuit and a package mounted to the printed circuit board. The package includes an outside housing and a second high-speed circuit positioned inside the housing. The high-speed transponder also includes a high-speed feed thru which includes an inside coplanar structure positioned inside the housing, a strip line structure positioned through…
OPTO-ISOLATOR INCLUDING A VERTICAL CAVITY SURFACE EMITTING LASER
Granted: August 7, 2008
Application Number:
20080187013
The present invention relates to opto-isolators. Opto-isolators are disclosed that include a transmitter package and a vertical VCSEL disposed within the transmitter package. The opto-isolators further include a receiver package and a photodetector disposed within the receiver package. The photodetector is optically coupled to the VCSEL and configured to receive an output optical signal generated by the VCSEL. The opto-isolators further include an alignment package configured to receive…
DISPLAYING EYE-DIAGRAM AND DIGITAL DIAGNOSTIC DATA USING NETWORK ANALYZERS
Granted: August 7, 2008
Application Number:
20080187033
Methods and apparatuses for displaying information for analyzing a signal transmitted in a communication system. The method can include displaying digital diagnostic data received from a monitoring interface of a transceiver. An eye-diagram for the signal is also displayed. The digital diagnostic data, network protocol analysis results, and/or the eye-diagram can be selectively displayed using a combined unit or stand alone units. Additionally, results of network protocol analysis can…
DIRECTING A NETWORK TRANSACTION TO A PROBE
Granted: August 7, 2008
Application Number:
20080189410
A method and apparatus for directing an entire network transaction to a network analysis device are disclosed. The apparatus can include an input port configured to receive network data from an inter-switch-link (ISL). The apparatus can further include a first probe port configured to transmit network data a second network analysis probe. The apparatus can further include a second probe port configured to transmit network data to a second network analysis probe. The apparatus can include…
SHOW OOB AND SPEED NEGOTIATION DATA GRAPHICALLY IN A NETWORK DIAGNOSTIC COMPONENT
Granted: August 7, 2008
Application Number:
20080189641
A network diagnostic component that is placed in-line between two nodes in a network. The network diagnostic component receives a low speed signal pattern from the first node for communication with the second node; records the low speed signal pattern in a memory writes one or more markers specifying information about the low speed signal pattern in the memory interprets the one or more markers to ascertain the type and duration of the low speed signal pattern; and displays a graphical…
NETWORK DIAGNOSTIC SYSTEMS AND METHODS FOR AGGREGATED LINKS
Granted: July 31, 2008
Application Number:
20080181119
A networking system is provided. The networking system may include a diagnostic module. The diagnostic module may include one or more statistics modules. The diagnostic module may include a routing module configured to route messages to the statistics modules. The messages may be derived from network messages from an aggregated link.
NETWORK DIAGNOSTIC SYSTEMS AND METHODS FOR HANDLING MULTIPLE DATA TRANSMISSION RATES
Granted: July 31, 2008
Application Number:
20080181129
A network diagnostic system may include a network diagnostic module. The network diagnostic module may be configured to generate one or more network diagnostic statistics. The network diagnostic module may be configured to automatically handle multiple data transmission rates.
