Inventor

Christi Kay Madsen

Inventor
South Plainfield, NJ, US

Overview

31→
Patents
1999–2011
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus34%
H04BTransmission21%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
H04JMultiplex communication8%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H04QSelecting6%
B82YSpecific uses or applications of nanostructures4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
H04LTransmission of digital information, e.g. telegraphic communication2%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation2%
PatentTitleYear
7,889,352'Integrated polarization beam splitter with quarter-wave plate for polarimeter and PMD compensation applications'20117,542,686'Reset free devices'20097,376,356'Optical data transmission system using sub-band multiplexing'20087,308,160'High speed semiconductor waveguide phase-shifter'20077,228,037'Integrated polarization beam splitter with quarter-wave plate for polarimeter and PMD compensation applications'20077,212,695'Variable optical delay line with a large continuous tuning range'20077,206,477'Optical all pass filter device having improved time-bandwidth behavior'20077,016,615'System comprising a single-stage all-pass optical filter'20067,002,724'Apparatus and method for generating a 90° alternate phase optical pulsetrain'20066,956,991'Compact solid-state variable optical delay line with a large continuous tuning range'20056,931,180'Method and apparatus for compactly coupling an optical fiber and a planar optical waveguide'20056,925,232'High speed thermo-optic phase shifter and devices comprising same'20056,907,156'Reconfigurable multi-channel filters having enhanced channel bandwidth'20056,895,688'Liquid crystal polarization rotator and method of using same'20056,807,321'Apparatus and method for measurement and adaptive control of polarization mode dispersion in optical fiber transmission systems'20046,801,721'Polarization mode dispersion compensator for optical fiber communication systems'20046,748,142'Integrated optical dual dispersion compensator for compensating both chromatic and polarization mode dispersion'20046,631,246'Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters'20036,602,000'Reconfigurable add/drop for optical fiber communication systems'20036,580,534'Optical channel selector'20036,522,795'Tunable etched grating for WDM optical communication systems'20036,445,477'Self-monitored light source for stable wavelength optical communications'20026,389,203'Tunable all-pass optical filters with large free spectral ranges'20026,362,874'Polarization mode dispersion measurement using phase-sensitive sideband detection'20026,289,151'All-pass optical filters'20016,259,847'Optical communication system including broadband all-pass filter for dispersion compensation'20016,253,000'Optical space switches using multiport couplers'20016,035,080'Reconfigurable add-drop multiplexer for optical communications systems'20006,002,823'Tunable directional optical waveguide couplers'19995,953,467'Switchable optical filter'19995,889,899'Article comprising a Bragg reflective Mach-Zehnder filter of reduced coupled dependence'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2008Patents assigned to LUCENT TECHNOLOGIES INC (25)· patent assignee history
1999Patents assigned to LUCENT TECHOLONOGIES INC (1)· patent assignee history
1999–2011Based in South Plainfield, NJ, US· patent location history
2005Patents assigned to UNIV MINNESOTA (1)· patent assignee history
2007Patents assigned to NOBLE DEVICES TECHNOLOGIES (1)· patent assignee history
2007Based in Hearne, TX, US· patent location history
2009–2011Patents assigned to ALCATEL LUCENT USA INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUCENT TECHNOLOGIES INC251999–2008
ALCATEL LUCENT USA INC22009–2011
LUCENT TECHOLONOGIES INC11999
NOBLE DEVICES TECHNOLOGIES12007
UNIV MINNESOTA12005
Locations
LocationPatentsSpan
South Plainfield, New Jersey, US301999–2011
Hearne, Texas, US12007