Ravi TUMMIDI

Person

Breinigsville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fabrication-tolerant on-chip multiplexers and demultiplexers
- Patent number 12,092,863
- Issue date Sep 17, 2024
- Cisco Technology, Inc.
- Yi Ho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process margin relaxation
- Patent number 12,035,082
- Issue date Jul 9, 2024
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Evanescent coupling of photodiode with optical waveguide
- Patent number 11,762,159
- Issue date Sep 19, 2023
- Cisco Technology, Inc.
- Prakash B. Gothoskar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double bonding when fabricating an optical device
- Patent number 11,693,200
- Issue date Jul 4, 2023
- Cisco Technology, Inc.
- Vipulkumar K. Patel
- G02 - OPTICS
Information Patent Grant
Electrical test of optical components via metal-insulator-semicondu...
- Patent number 11,686,648
- Issue date Jun 27, 2023
- Cisco Technology, Inc.
- Xunyuan Zhang
- G02 - OPTICS
Information Patent Grant
Process margin relaxation
- Patent number 11,523,192
- Issue date Dec 6, 2022
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated broadband optical couplers with robustness to manufactur...
- Patent number 11,520,106
- Issue date Dec 6, 2022
- Cisco Technology, Inc.
- Yi Ho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cascaded arrangement of two-mode Bragg gratings in multiplexing app...
- Patent number 11,467,420
- Issue date Oct 11, 2022
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low-loss and low-crosstalk optical mode multiplexer and optical cro...
- Patent number 11,360,268
- Issue date Jun 14, 2022
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple stage Bragg gratings in multiplexing applications
- Patent number 11,249,246
- Issue date Feb 15, 2022
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photonic integration platform
- Patent number 11,156,783
- Issue date Oct 26, 2021
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Grant
Process margin relaxation
- Patent number 11,089,391
- Issue date Aug 10, 2021
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Evanescent coupling of photodiode with optical waveguide
- Patent number 11,067,765
- Issue date Jul 20, 2021
- Cisco Technology, Inc.
- Prakash B. Gothoskar
- G02 - OPTICS
Information Patent Grant
Cascaded arrangement of two-mode Bragg gratings in multiplexing app...
- Patent number 11,002,980
- Issue date May 11, 2021
- Cisco Technology, Inc.
- Tao Ling
- G02 - OPTICS
Information Patent Grant
Integrated broadband optical couplers with robustness to manufactur...
- Patent number 10,935,726
- Issue date Mar 2, 2021
- Cisco Technology, Inc.
- Yi Ho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Edge coupling through unetched surface of photonic chip
- Patent number 10,877,229
- Issue date Dec 29, 2020
- Cisco Technology, Inc.
- Ravi S. Tummidi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multiple stage Bragg gratings in multiplexing applications
- Patent number 10,852,472
- Issue date Dec 1, 2020
- Cisco Technology, Inc.
- Tao Ling
- G02 - OPTICS
Information Patent Grant
Photonic integration platform
- Patent number 10,509,174
- Issue date Dec 17, 2019
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Grant
Photonic chip with an evanescent coupling interface
- Patent number 10,481,326
- Issue date Nov 19, 2019
- Cisco Technology, Inc.
- Vipulkumar Patel
- G02 - OPTICS
Information Patent Grant
Wafer level optical probing structures for silicon photonics
- Patent number 10,145,758
- Issue date Dec 4, 2018
- Cisco Technology, Inc.
- Matthew J. Traverso
- G02 - OPTICS
Information Patent Grant
Photonic integration platform
- Patent number 10,054,745
- Issue date Aug 21, 2018
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Grant
Photonic chip with an evanescent coupling interface
- Patent number 9,933,566
- Issue date Apr 3, 2018
- Cisco Technology, Inc.
- Vipulkumar Patel
- G02 - OPTICS
Information Patent Grant
Silicon photonic chip with through VIAS
- Patent number 9,864,133
- Issue date Jan 9, 2018
- Cisco Technology, Inc.
- Vipulkumar Patel
- G02 - OPTICS
Information Patent Grant
Photonic integration platform
- Patent number 9,651,739
- Issue date May 16, 2017
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Grant
Multilayer photonic adapter
- Patent number 9,618,699
- Issue date Apr 11, 2017
- Cisco Technology, Inc.
- Ravi Sekhar Tummidi
- G02 - OPTICS
Information Patent Grant
Photonic integration platform
- Patent number 9,274,275
- Issue date Mar 1, 2016
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Grant
Dual tip optical coupler
- Patent number 9,164,235
- Issue date Oct 20, 2015
- Cisco Technology, Inc.
- Ravi Sekhar Tummidi
- G02 - OPTICS
Information Patent Grant
Coupling system for optical fibers and optical waveguides
- Patent number 9,134,498
- Issue date Sep 15, 2015
- Cisco Technology, Inc.
- Kalpendu Shastri
- B32 - LAYERED PRODUCTS
Information Patent Grant
Coupling system for optical fibers and optical waveguides
- Patent number 9,122,037
- Issue date Sep 1, 2015
- Cisco Technology, Inc.
- Kalpendu Shastri
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
FABRICATION-TOLERANT ON-CHIP MULTIPLEXERS AND DEMULTIPLEXERS
- Publication number 20240393530
- Publication date Nov 28, 2024
- Cisco Technology, Inc.
- Yi Ho LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DOUBLE-LAYERED ANTISYMMETRIC TWO MODE BRAGG GRATINGS
- Publication number 20240272363
- Publication date Aug 15, 2024
- Cisco Technology, Inc.
- Tao LING
- G02 - OPTICS
Information Patent Application
OPTICAL POWER SPLITTERS
- Publication number 20240159963
- Publication date May 16, 2024
- Cisco Technology, Inc.
- Tao LING
- G02 - OPTICS
Information Patent Application
ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...
- Publication number 20230243718
- Publication date Aug 3, 2023
- Cisco Technology, Inc.
- Xunyuan ZHANG
- G02 - OPTICS
Information Patent Application
FABRICATION-TOLERANT ON-CHIP MULTIPLEXERS AND DEMULTIPLEXERS
- Publication number 20230119450
- Publication date Apr 20, 2023
- Cisco Technology, Inc.
- Yi Ho LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROCESS MARGIN RELAXATION
- Publication number 20230076009
- Publication date Mar 9, 2023
- Cisco Technology, Inc.
- Tao LING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...
- Publication number 20230022612
- Publication date Jan 26, 2023
- Cisco Technology, Inc.
- Xunyuan ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DOUBLE BONDING WHEN FRABRICATING AN OPTICAL DEVICE
- Publication number 20230015671
- Publication date Jan 19, 2023
- Cisco Technology, Inc.
- Vipulkumar K. PATEL
- G02 - OPTICS
Information Patent Application
PROCESS MARGIN RELAXATION
- Publication number 20210345022
- Publication date Nov 4, 2021
- Cisco Technology, Inc.
- Tao LING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CASCADED ARRANGEMENT OF TWO-MODE BRAGG GRATINGS IN MULTIPLEXING APP...
- Publication number 20210286190
- Publication date Sep 16, 2021
- Cisco Technology, Inc.
- Tao LING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE
- Publication number 20210278615
- Publication date Sep 9, 2021
- Cisco Technology, Inc.
- Prakash B. GOTHOSKAR
- G02 - OPTICS
Information Patent Application
INTEGRATED BROADBAND OPTICAL COUPLERS WITH ROBUSTNESS TO MANUFACTUR...
- Publication number 20210181419
- Publication date Jun 17, 2021
- Cisco Technology, Inc.
- Yi Ho LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE
- Publication number 20210157068
- Publication date May 27, 2021
- Cisco Technology, Inc.
- Prakash B. GOTHOSKAR
- G02 - OPTICS
Information Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
- Publication number 20210109281
- Publication date Apr 15, 2021
- Cisco Technology, Inc.
- Tao LING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
- Publication number 20200400878
- Publication date Dec 24, 2020
- Cisco Technology, Inc.
- Tao LING
- G02 - OPTICS
Information Patent Application
EDGE COUPLING THROUGH UNETCHED SURFACE OF PHOTONIC CHIP
- Publication number 20200264391
- Publication date Aug 20, 2020
- Cisco Technology, Inc.
- Ravi S. Tummidi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PHOTONIC INTEGRATION PLATFORM
- Publication number 20200088946
- Publication date Mar 19, 2020
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Application
PHOTONIC INTEGRATION PLATFORM
- Publication number 20180341064
- Publication date Nov 29, 2018
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Application
WAFER LEVEL OPTICAL PROBING STRUCTURES FOR SILICON PHOTONICS
- Publication number 20180313718
- Publication date Nov 1, 2018
- Cisco Technology, Inc.
- Matthew J. TRAVERSO
- G02 - OPTICS
Information Patent Application
PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE
- Publication number 20180188450
- Publication date Jul 5, 2018
- Cisco Technology, Inc.
- Vipulkumar PATEL
- G02 - OPTICS
Information Patent Application
PHOTONIC INTEGRATION PLATFORM
- Publication number 20170192174
- Publication date Jul 6, 2017
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Application
SILICON PHOTONIC CHIP WITH THROUGH VIAS
- Publication number 20170139132
- Publication date May 18, 2017
- Cisco Technology ,Inc.
- Vipulkumar PATEL
- G02 - OPTICS
Information Patent Application
PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE
- Publication number 20170139142
- Publication date May 18, 2017
- Cisco Technology, Inc.
- Vipulkumar PATEL
- G02 - OPTICS
Information Patent Application
PASSIVE PLACEMENT OF A LASER ON A PHOTONIC CHIP
- Publication number 20170003463
- Publication date Jan 5, 2017
- Cisco Technology, Inc.
- Mary NADEAU
- G02 - OPTICS
Information Patent Application
MULTILAYER PHOTONIC ADAPTER
- Publication number 20160266321
- Publication date Sep 15, 2016
- Cisco Technology, Inc.
- Ravi Sekhar TUMMIDI
- G02 - OPTICS
Information Patent Application
SYSTEM FOR OPTICALLY COUPLING OPTICAL FIBERS AND OPTICAL WAVEGUIDES
- Publication number 20160223750
- Publication date Aug 4, 2016
- Cisco Technology, Inc.
- Kalpendu Shastri
- G02 - OPTICS
Information Patent Application
PHOTONIC INTEGRATION PLATFORM
- Publication number 20160077283
- Publication date Mar 17, 2016
- Cisco Technology, Inc.
- Mark Webster
- G02 - OPTICS
Information Patent Application
OPTICAL POWER SPLITTER
- Publication number 20150104130
- Publication date Apr 16, 2015
- Cisco Technology, Inc.
- Sean Anderson
- G02 - OPTICS
Information Patent Application
COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES
- Publication number 20150021291
- Publication date Jan 22, 2015
- Cisco Technology, Inc.
- Kalpendu Shastri
- B32 - LAYERED PRODUCTS
Information Patent Application
COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES
- Publication number 20150023631
- Publication date Jan 22, 2015
- Cisco Technology, Inc.
- Kalpendu Shastri
- G02 - OPTICS

Ravi TUMMIDI

Person

Patents Grantslast 30 patents

Fabrication-tolerant on-chip multiplexers and demultiplexers

Process margin relaxation

Evanescent coupling of photodiode with optical waveguide

Double bonding when fabricating an optical device

Electrical test of optical components via metal-insulator-semicondu...

Process margin relaxation

Integrated broadband optical couplers with robustness to manufactur...

Cascaded arrangement of two-mode Bragg gratings in multiplexing app...

Low-loss and low-crosstalk optical mode multiplexer and optical cro...

Multiple stage Bragg gratings in multiplexing applications

Photonic integration platform

Process margin relaxation

Evanescent coupling of photodiode with optical waveguide

Cascaded arrangement of two-mode Bragg gratings in multiplexing app...

Integrated broadband optical couplers with robustness to manufactur...

Edge coupling through unetched surface of photonic chip

Multiple stage Bragg gratings in multiplexing applications

Photonic integration platform

Photonic chip with an evanescent coupling interface

Wafer level optical probing structures for silicon photonics

Photonic integration platform

Photonic chip with an evanescent coupling interface

Silicon photonic chip with through VIAS

Photonic integration platform

Multilayer photonic adapter

Photonic integration platform

Dual tip optical coupler

Coupling system for optical fibers and optical waveguides

Coupling system for optical fibers and optical waveguides

Patents Applicationslast 30 patents

FABRICATION-TOLERANT ON-CHIP MULTIPLEXERS AND DEMULTIPLEXERS

DOUBLE-LAYERED ANTISYMMETRIC TWO MODE BRAGG GRATINGS

OPTICAL POWER SPLITTERS

ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...

FABRICATION-TOLERANT ON-CHIP MULTIPLEXERS AND DEMULTIPLEXERS

PROCESS MARGIN RELAXATION

ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...

DOUBLE BONDING WHEN FRABRICATING AN OPTICAL DEVICE

PROCESS MARGIN RELAXATION

CASCADED ARRANGEMENT OF TWO-MODE BRAGG GRATINGS IN MULTIPLEXING APP...

EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE

INTEGRATED BROADBAND OPTICAL COUPLERS WITH ROBUSTNESS TO MANUFACTUR...

EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE

MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS

MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS

EDGE COUPLING THROUGH UNETCHED SURFACE OF PHOTONIC CHIP

PHOTONIC INTEGRATION PLATFORM

PHOTONIC INTEGRATION PLATFORM

WAFER LEVEL OPTICAL PROBING STRUCTURES FOR SILICON PHOTONICS

PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE

PHOTONIC INTEGRATION PLATFORM

SILICON PHOTONIC CHIP WITH THROUGH VIAS

PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE

PASSIVE PLACEMENT OF A LASER ON A PHOTONIC CHIP

MULTILAYER PHOTONIC ADAPTER

SYSTEM FOR OPTICALLY COUPLING OPTICAL FIBERS AND OPTICAL WAVEGUIDES

PHOTONIC INTEGRATION PLATFORM

OPTICAL POWER SPLITTER

COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES

COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES