P

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 patents
US6104852AAug 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

KASHYAP RAMAN

2 patents

ECOLE POLYTECH

1 patent

POLYVALOR LP

1 patent

CORVIS CORP

1 patent