Inventor
DUTTA MITRA
US29 patents
Patents
29 patentsUS6476596B1Nov 5, 2002
Method and apparatus for detection of terahertz electric fields using polarization-sensitive excitonic electroabsorption
US ARMY32 citations92
US6188808B1Feb 13, 2001
Microwave system
US ARMY29 citations92
US5930031AJul 27, 1999
Monolithically integrated signal processing circuit having active and passive components
US ARMY23 citations92
US5427648AJun 27, 1995
Method of forming porous silicon
US ARMY37 citations91
US5198659AMar 30, 1993
Wide-range multicolor IR detector
US ARMY26 citations90
US5770472AJun 23, 1998
Method for making monolithically integrated signal processing circuit having active and passive components
US ARMY13 citations81
US5381260AJan 10, 1995
Uniaxially strained semiconductor multiple quantum well device using direction-dependent thermal expansion coefficients in a host substrate
US ARMY19 citations81
US5535045AJul 9, 1996
Modulation doped quantum well waveguide modulator
US ARMY10 citations74
US6075254AJun 13, 2000
Polarization insensitive/independent semiconductor waveguide modulator using tensile stressors
US ARMY8 citations73
US5847435ADec 8, 1998
Dynamic modulation of quantum devices
US ARMY8 citations73
US5412225AMay 2, 1995
Tunable heavy and light hole coupled bands in variable-strain quantum well semi-conductor heterostructure for novel opto-electronic devices
US ARMY13 citations73
US5488226AJan 30, 1996
Infrared imaging array based on temperature driven anisotropic optical absorption
US ARMY13 citations72
US5323019AJun 21, 1994
All optical multiple quantum well optical modulator
US ARMY12 citations72
US5172191ADec 15, 1992
Sweeping photoreflectance spectroscopy
US ARMY10 citations72
US5917194AJun 29, 1999
Mesoscopic electronic devices with tailored energy loss scattering
US ARMY9 citations71
US5661740AAug 26, 1997
TEM mode quantum wire or well structure
US ARMY7 citations71
US5608566AMar 4, 1997
Multi-directional electro-optic switch
US ARMY12 citations70
US5208695AMay 4, 1993
Optical modulator based on gamma -X valley mixing in GaAs-AlAs
US ARMY3 citations63
US5748359AMay 5, 1998
Infrared/optical imaging techniques using anisotropically strained doped quantum well structures
US ARMY5 citations62
US5387997AFeb 7, 1995
Optical modulator based on piezoelectrically driven anisotropic optical absorption
US ARMY2 citations61
US5274247ADec 28, 1993
Optic modulator with uniaxial stress
US ARMY5 citations61
US5459334AOct 17, 1995
Negative absolute conductance device and method
US ARMY3 citations60
US5705824AJan 6, 1998
Field controlled current modulators based on tunable barrier strengths
US ARMY5 citations58
US5264711ANov 23, 1993
Metal-encapsulated quantum wire for enhanced charge transport
US ARMY3 citations58
US6819696B1Nov 16, 2004
Intersubband semiconductor lasers with enhanced subband depopulation rate
US ARMY3 citations57
US5374831ADec 20, 1994
Quantum well phonon modulator
US ARMY1 citations50
US7348201B2Mar 25, 2008
Creation of anisotropic strain in semiconductor quantum well
US ARMY0 citations49
US7310361B2Dec 18, 2007
Intersubband semiconductor lasers with enhanced subband depopulation rate
US ARMY0 citations46
US5650634AJul 22, 1997
Interchannel nonequilibrium confined-phonon exchange device
US ARMY1 citations46