Inventor
BERGMANN ERNEST EISENHARDT
US38 patents
⚠️ This page may combine multiple inventors who share the name “BERGMANN ERNEST EISENHARDT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUCENT TECHNOLOGIES INC
28 patentsUS6163643ADec 19, 2000
Micro-mechanical variable optical attenuator
LUCENT TECHNOLOGIES INC106 citations98
US6031946AFeb 29, 2000
Moving mirror switch
LUCENT TECHNOLOGIES INC117 citations98
US6249626B1Jun 19, 2001
Multimode fiber optical power monitoring tap for optical transmission systems
LUCENT TECHNOLOGIES INC39 citations92
US6128133AOct 3, 2000
Optical beamsplitter
LUCENT TECHNOLOGIES INC49 citations92
US6040942AMar 21, 2000
Polarization separator/combiner
LUCENT TECHNOLOGIES INC30 citations92
US5956356ASep 21, 1999
Monitoring wavelength of laser devices
LUCENT TECHNOLOGIES INC20 citations92
US5923472AJul 13, 1999
3-port optical circulator/switch with mirror
LUCENT TECHNOLOGIES INC32 citations92
US5835654ANov 10, 1998
Optical coupling
LUCENT TECHNOLOGIES INC30 citations92
US5771120AJun 23, 1998
Optical apparatus with combined polarization functions
LUCENT TECHNOLOGIES INC26 citations92
US5745620AApr 28, 1998
Optical coupling
LUCENT TECHNOLOGIES INC23 citations92
US5729377AMar 17, 1998
Optical apparatus
LUCENT TECHNOLOGIES INC26 citations92
US6125221ASep 26, 2000
Three port optical filter
LUCENT TECHNOLOGIES INC33 citations91
US6002512ADec 14, 1999
Optical circulator using latchable garnet
LUCENT TECHNOLOGIES INC28 citations91
US6112000AAug 29, 2000
Reflective array multiplexer with polarization compensation
LUCENT TECHNOLOGIES INC28 citations90
US6198567B1Mar 6, 2001
Faraday rotation variable attenuator
LUCENT TECHNOLOGIES INC16 citations84
US6175670B1Jan 16, 2001
Planar lightguide circuit having a planar grating
LUCENT TECHNOLOGIES INC16 citations84
US6173092B1Jan 9, 2001
Optical mirror switch utilizing walk-off devices
LUCENT TECHNOLOGIES INC20 citations84
US6091543AJul 18, 2000
Apparatus for providing non-reciprocal termination of parallel like polarization modes
LUCENT TECHNOLOGIES INC16 citations84
US6014270AJan 11, 2000
Cylindrical lenses for alignment of optical sources and destinations
LUCENT TECHNOLOGIES INC17 citations84
US5872878AFeb 16, 1999
Partial optical circulators
LUCENT TECHNOLOGIES INC17 citations84
US6049412AApr 11, 2000
Reflective Faraday-based optical devices including an optical monitoring tap
LUCENT TECHNOLOGIES INC17 citations80
US5930028AJul 27, 1999
Split reciprocal polarization switch
LUCENT TECHNOLOGIES INC12 citations74
US5703992ADec 30, 1997
Method and apparatus for packaging optical components
LUCENT TECHNOLOGIES INC13 citations74
US6064522AMay 16, 2000
Miniature mass producible non-reciprocal devices
LUCENT TECHNOLOGIES INC12 citations73
US6236497B1May 22, 2001
Direct free space pump signal mixing for EDFA
LUCENT TECHNOLOGIES INC12 citations71
US5822118AOct 13, 1998
Walk-off device
LUCENT TECHNOLOGIES INC2 citations63
US5973860AOct 26, 1999
Rotatable cylindrical elements for optical alignment
LUCENT TECHNOLOGIES INC2 citations62
US6278953B1Aug 21, 2001
Automated alignment system
LUCENT TECHNOLOGIES INC1 citations52
AGERE SYST OPTOELECTRONICS
5 patentsUS6275625B1Aug 14, 2001
Optical mirror switch using a michelson interferometer
AGERE SYST OPTOELECTRONICS27 citations92
US6249619B1Jun 19, 2001
Optical isolator
AGERE SYST OPTOELECTRONICS36 citations92
US6240222B1May 29, 2001
Wavelength specific operations in optical systems
AGERE SYST OPTOELECTRONICS28 citations92
US6253005B1Jun 26, 2001
Apparatus and method for compensating for misalignment in reflective packages
AGERE SYST OPTOELECTRONICS14 citations73
US6282344B1Aug 28, 2001
Intersecting N x M star couplers for routing optical signals
AGERE SYST OPTOELECTRONICS13 citations70