Inventor
TUMMIDI RAVI S
US19 patents
Patents
19 patentsUS10935726B1Mar 2, 2021
Integrated broadband optical couplers with robustness to manufacturing variation
CISCO TECH INC29 citations93
US11002980B1May 11, 2021
Cascaded arrangement of two-mode Bragg gratings in multiplexing applications
CISCO TECH INC12 citations85
US11360268B1Jun 14, 2022
Low-loss and low-crosstalk optical mode multiplexer and optical crossover
CISCO TECH INC9 citations84
US10145758B2Dec 4, 2018
Wafer level optical probing structures for silicon photonics
CISCO TECH INC12 citations84
US10877229B2Dec 29, 2020
Edge coupling through unetched surface of photonic chip
CISCO TECH INC8 citations83
US10852472B1Dec 1, 2020
Multiple stage Bragg gratings in multiplexing applications
CISCO TECH INC10 citations83
US11520106B2Dec 6, 2022
Integrated broadband optical couplers with robustness to manufacturing variation
CISCO TECH INC2 citations72
US11467420B2Oct 11, 2022
Cascaded arrangement of two-mode Bragg gratings in multiplexing applications
CISCO TECH INC2 citations72
US11249246B2Feb 15, 2022
Multiple stage Bragg gratings in multiplexing applications
CISCO TECH INC3 citations72
US12035082B2Jul 9, 2024
Process margin relaxation
CISCO TECH INC0 citations62
US11693200B2Jul 4, 2023
Double bonding when fabricating an optical device
CISCO TECH INC0 citations62
US11523192B2Dec 6, 2022
Process margin relaxation
CISCO TECH INC0 citations62
US11089391B1Aug 10, 2021
Process margin relaxation
CISCO TECH INC0 citations62
US12442981B2Oct 14, 2025
Double-layered antisymmetric two mode Bragg gratings
CISCO TECH INC0 citations61
US11762159B2Sep 19, 2023
Evanescent coupling of photodiode with optical waveguide
CISCO TECH INC0 citations60
US11067765B2Jul 20, 2021
Evanescent coupling of photodiode with optical waveguide
CISCO TECH INC0 citations60
US12276565B2Apr 15, 2025
Electrical test of optical components via metal-insulator-semiconductor capacitor structures
CISCO TECH INC0 citations58
US11686648B2Jun 27, 2023
Electrical test of optical components via metal-insulator-semiconductor capacitor structures
CISCO TECH INC0 citations58
US12092863B2Sep 17, 2024
Fabrication-tolerant on-chip multiplexers and demultiplexers
CISCO TECH INC0 citations51