Inventor
KASHYAP RAMAN
GB28 patents
⚠️ This page may combine multiple inventors who share the name “KASHYAP RAMAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRITISH TELECOMM
23 patentsUS6104852AAug 15, 2000
Optical waveguide with photosensitive refractive index cladding
BRITISH TELECOMM95 citations98
US6284437B1Sep 4, 2001
Method and device for recording a refractive index pattern in an optical medium
BRITISH TELECOMM41 citations92
US6141469AOct 31, 2000
Multi-band-pass filter
BRITISH TELECOMM23 citations92
US6044190AMar 28, 2000
Optical waveguide structure
BRITISH TELECOMM23 citations92
US5832011ANov 3, 1998
Laser
BRITISH TELECOMM19 citations92
US5583689ADec 10, 1996
Filter with preselected attenuation/wavelength characteristic
BRITISH TELECOMM31 citations92
US5384884AJan 24, 1995
Method of forming optical fibre gratings
BRITISH TELECOMM41 citations92
US5377288ADec 27, 1994
Method of forming a refractive index grating in an optical waveguide
BRITISH TELECOMM42 citations92
US4923278AMay 8, 1990
Temperature desensitization of delay in optical fibres
BRITISH TELECOMM35 citations92
US4767210AAug 30, 1988
Optical fibre interferometer
BRITISH TELECOMM43 citations92
US6075625AJun 13, 2000
Photoinduced grating in B2 O3 containing glass
BRITISH TELECOMM21 citations91
US6307679B1Oct 23, 2001
Formation of a refractive index grating
BRITISH TELECOMM18 citations84
US5719974AFeb 17, 1998
Method for customizing optical device configuration after packaging and packaged optical device for use therewith
BRITISH TELECOMM17 citations84
US6094291AJul 25, 2000
Optical modulator
BRITISH TELECOMM9 citations74
US5530666AJun 25, 1996
Optical memory
BRITISH TELECOMM15 citations74
US5022734AJun 11, 1991
Method of modifying an optical waveguide and waveguide so modified
BRITISH TELECOMM13 citations74
US5013115AMay 7, 1991
Polarization insensitive optical frequency mixer
BRITISH TELECOMM13 citations74
US6229945B1May 8, 2001
Photo induced grating in B2O3 containing glass
BRITISH TELECOMM10 citations72
US6097512AAug 1, 2000
Photoinduced grating in B2 O3 containing glass
BRITISH TELECOMM8 citations72
US6041069AMar 21, 2000
Laser device tuned by forming a refractive index grating in optical fiber
BRITISH TELECOMM12 citations70
US5305403AApr 19, 1994
Optical waveguide and method of making an optical waveguide
BRITISH TELECOMM5 citations63
US4840461AJun 20, 1989
Optical switching devices having liquid crystal with splayed molecular orientation
BRITISH TELECOMM5 citations61
US7162161B2Jan 9, 2007
Optical communications system and method of protecting an optical route
BRITISH TELECOMM4 citations60