公开(公告)号：EP1483810A4

公开(公告)日：2006-12-20

申请号：EP03709056

申请日：2003-02-11

申请人： FINISAR CORP

发明人： STEWART JAMES ,  HO ANTHONY ,  WEBER ANDREAS ,  HOSKING STEPHEN G

IPC分类号： H01S5/024 ,  H01S5/06 ,  H04B10/02 ,  H04B10/08 ,  H04B10/155 ,  H01S3/04

CPC分类号： H04B10/40 ,  H01S5/024 ,  H01S5/02415 ,  H01S5/0612 ,  H01S5/0617 ,  H04B10/07957 ,  H04B10/0799 ,  H04B10/503

摘要： A microprocessor (200) is used to control the temperature of a laser emitter (112) and thereby regulate the wavelength of optical signals from the laser. A serial interface (15, 16) in the microprocessor provides input and output lines to a host device, and temperature lookup tables are stored in nonvolatile memory. Control logic processes information stored in the memory as well as information on operating conditions of the laser emitter to precisely control the temperature of the laser emitter. A thermoelectric cooler (114) adjusts the temperature of the laser emitter.

公开(公告)号：EP1649617A4

公开(公告)日：2008-02-27

申请号：EP04777655

申请日：2004-06-30

申请人： FINISAR CORP

发明人： HOSKING LUCY G ,  STEWART JAMES ,  HO ANTHONY

IPC分类号： H04B10/04 ,  H04B10/24 ,  H04B10/00 ,  H04B10/02 ,  H04B10/06 ,  H04B10/08 ,  H04B10/14 ,  H04B10/26 ,  H04B10/28 ,  H05K20060101

CPC分类号： H04B10/6911 ,  H04B10/0799 ,  H04B10/40 ,  H04B2210/08

摘要： An optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allow a host access to each of these controller ICs separately and independently. At least some of the digital diagnostic data is common to both the first controller IC and the second controller IC. The inclusion of two controller ICs allows the same diagnostic data to be stored in completely different memory mapped locations. This allows hosts that are preconfigured differently to read different memory mapped locations on the different controller ICs to obtain the same diagnostic data.

公开(公告)号：EP1483774A4

公开(公告)日：2006-09-20

申请号：EP03711006

申请日：2003-02-12

申请人： FINISAR CORP

发明人： STEWART JAMES ,  HO ANTHONY ,  HOFMEISTER RUDOLF J ,  DOUMA DARIN J ,  HOSKING LUCY G ,  WEBER ANDREAS ,  PRICE JEFFREY B

IPC分类号： H01J40/14 ,  H01L31/02 ,  H04B10/158

CPC分类号： H04B10/6931 ,  H04B10/6911

摘要： A controller (110) for controlling the reverse-bias voltage of an avalanche photodiode in a transceiver or receiver. The controller (110) includes memory (120, 122, 128) for storing information related to the avalanche photodiode, and analog to digital conversion circuitry (124, 127) for receiving an analog signal corresponding to the temperature of the avalanche photodiode, converting the received analog signal into a digital value, and storing the digital value in a predefined location within the memory (128). Control circuitry (134) in the controller controls the operation of the avalanche photodiode in accordance with the digital value corresponding to the temperature of the avalanche photodiode and a temperature lookup table (122) stored in the memory. A serial interface (121) is provided to enable a host device to read from and write to locations within the memory. The invention is also implemented as a method for controlling the reverse-bias voltage of an avalanche photodiode in a transceiver or receiver and a method for calibrating a transceiver or receiver having an avalanche photodiode.

公开(公告)号：EP1483816A4

公开(公告)日：2006-08-30

申请号：EP03707865

申请日：2003-02-11

申请人： FINISAR CORP

发明人： ROSENBERG PAUL K ,  GIARETTA GIORGIO ,  SCHIAFFINO STEFANO ,  STEWART JAMES ,  HOFMEISTER RUDOLF J

IPC分类号： H01L23/055 ,  H01S5/024 ,  H01S5/022 ,  H05K7/20

CPC分类号： H05K7/20445 ,  H01L2924/19107 ,  H01S5/02212 ,  H01S5/02415

摘要： A header assembly 700 including a base 702 and a platform 800 extending through the base 702 and substantially perpendicular thereto. The platform 800 includes conductive pathways 806 that connect electrical components on either side of the base 702, and the conductive pathways cooperate to form a connector 900 at the first end of the platform 800. A laser 1002 is mounted on top of a thermoelectric cooler 900 that is directly joined to the second end of the platform 800.The laser 1002 and thermoelectric cooler 900 are enclosed in a hermetic chamber cooperatively defined by the base 702, the platform 800, and a cap that is joined to the base 702. A photodiode 1004 optically coupled with the laser 1002 and a thermistor thermally coupled with the laser 1002 cooperate with the thermoelectric cooler 900 and a control circuit to facilitate control of the performance of the laser 1002.