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Oclaro Technology Limited patents


Recent patent applications related to Oclaro Technology Limited. Oclaro Technology Limited is listed as an Agent/Assignee. Note: Oclaro Technology Limited may have other listings under different names/spellings. We're not affiliated with Oclaro Technology Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Oclaro Technology Limited-related inventors


Calibration of pluggable optical module

An optical communications apparatus comprising a host (100) and an optical module (200) comprising a mach-zehnder modulator (202), mzm, wherein the optical module is removably connected to the host via a connection path, the optical communications apparatus comprising: a signal generator (101) at the host, configured to generate a plurality of calibration signals at a plurality of frequencies; a host interface (102) configured to transmit the calibration signals to the optical module via the connection path; a module interface (201) configured to receive the transmitted calibration signals; wherein the mzm is configured to use the calibration signals to modulate a laser light source (206) and biased to a point at which average output power is proportional to the output modulated signal; an optical detector configured to measure an average magnitude of an output of the mzm when each of the calibration signals is used to modulate the laser light source; one of a host calibration unit (103) and a module calibration unit (203), configured to determine a magnitude response of the connection path based on the measured average magnitudes and magnitudes of the respective calibration signals, and further configured to determine a pre-emphasis characteristic based on the magnitude response, the pre-emphasis characteristic for application to signals transmitted by the optical transmitter in use.. . ... Oclaro Technology Limited

Electronical compensation of an interleaver transfer function for optical multiple carrier transmission

There is described a transmitter device for transmitting an optical signal in the form of a plurality of subcarrier channels having different wavelengths. The device comprises first and second optical carrier emitters for emitting light in first and second subcarriers at first and second frequencies or polarisations respectively. ... Oclaro Technology Limited

Dither free bias control

A mach-zehnder modulator for modulating optical signals, and comprising: a plurality of modulating waveguide sections; at least one bias electrode in electrical communication with at least one modulating waveguide section and configured to apply at least one electrical bias signal to one or more of the modulating waveguide sections; and an output optical combiner comprising a plurality of inputs and a plurality of outputs, wherein the plurality of inputs of the combiner are in optical communication with output sides of the plurality of modulating waveguide sections, and wherein a plurality of the outputs of the combiner are monitor outputs.. . ... Oclaro Technology Limited

Optical component

Methods and apparatus for use in coherent transmission and reception of optical data signals. An integrated optics block (100) for use in a coherent optical transmitter comprising: a beam splitter (102) configured to split an input light signal into first and second input light signals, to output the first input light signal for use in an optical transmitter chip and to output the second input light signal for use as a local oscillator signal; a polarisation combiner (104) configured to combine first and second received modulated light signals to form an output; and a polarisation rotator (106) configured to rotate the polarisation of the second modulated light signal such that it is substantially orthogonal to the polarisation of the first modulated light signal prior to combining.. ... Oclaro Technology Limited








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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