Inventor
ANSELM KLAUS ALEXANDER
US24 patents
⚠️ This page may combine multiple inventors who share the name “ANSELM KLAUS ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED OPTOELECTRONICS INC
21 patentsUS6549556B1Apr 15, 2003
Vertical-cavity surface-emitting laser with bottom dielectric distributed bragg reflector
APPLIED OPTOELECTRONICS INC76 citations97
US6795478B2Sep 21, 2004
VCSEL with antiguide current confinement layer
APPLIED OPTOELECTRONICS INC24 citations92
US6638773B1Oct 28, 2003
Method for fabricating single-mode DBR laser with improved yield
APPLIED OPTOELECTRONICS INC42 citations92
US6608855B1Aug 19, 2003
Single-mode DBR laser with improved phase-shift section
APPLIED OPTOELECTRONICS INC49 citations92
US6636544B2Oct 21, 2003
Overlapping wavelength-tunable vertical cavity surface-emitting laser (VCSEL) arrays
APPLIED OPTOELECTRONICS INC16 citations84
US9455782B2Sep 27, 2016
Monitoring a multiplexed laser array in an optical communication system
APPLIED OPTOELECTRONICS INC9 citations83
US6765939B2Jul 20, 2004
Multiple reflectivity band reflector with non-uniform profile and laser system employing same for laser wavelength monitoring
APPLIED OPTOELECTRONICS INC4 citations73
US6763046B2Jul 13, 2004
Method and system employing multiple reflectivity band reflector for laser wavelength monitoring
APPLIED OPTOELECTRONICS INC11 citations73
US6603184B2Aug 5, 2003
Double heterostructure photodiode with graded minority-carrier blocking structures
APPLIED OPTOELECTRONICS INC12 citations72
US10020636B2Jul 10, 2018
Tunable laser with multiple in-line sections including sampled gratings
APPLIED OPTOELECTRONICS INC5 citations68
US9685757B2Jun 20, 2017
System, method and fixture for performing both optical power and wavelength measurements of light emitted from a laser diode
APPLIED OPTOELECTRONICS INC2 citations66
US7542503B2Jun 2, 2009
Distributed feedback laser with improved optical field uniformity and mode stability
APPLIED OPTOELECTRONICS INC4 citations62
US7026178B2Apr 11, 2006
Method for fabricating a VCSEL with ion-implanted current-confinement structure
APPLIED OPTOELECTRONICS INC3 citations62
US6788466B2Sep 7, 2004
Multiple reflectivity band reflector
APPLIED OPTOELECTRONICS INC3 citations62
US6724796B2Apr 20, 2004
Modified distributed bragg reflector (DBR) for vertical cavity surface-emitting laser (VCSEL) resonant wavelength tuning sensitivity control
APPLIED OPTOELECTRONICS INC6 citations62
US6696307B2Feb 24, 2004
Patterned phase shift layers for wavelength-selectable vertical cavity surface-emitting laser (VCSEL) arrays
APPLIED OPTOELECTRONICS INC3 citations62
US6763053B2Jul 13, 2004
Laser having multiple reflectivity band reflector
APPLIED OPTOELECTRONICS INC0 citations52
US9768585B2Sep 19, 2017
Tunable laser including parallel lasing cavities with a common output
APPLIED OPTOELECTRONICS INC1 citations49
US9343870B2May 17, 2016
Semiconductor laser diode with integrated heating region
APPLIED OPTOELECTRONICS INC0 citations40
US9356422B2May 31, 2016
Scribe etch process for semiconductor laser chip manufacturing
APPLIED OPTOELECTRONICS INC0 citations38
US9762028B2Sep 12, 2017
Two-section semiconductor laser with modulation-independent grating section to reduce chirp
APPLIED OPTOELECTRONICS INC0 citations36