Ilya Vorobeichik

US Patent:

7218814, May 15, 2007

Filed:

May 28, 2003

Appl. No.:

10/515926

Inventors:

Ilya Vorobeichik - Sunnyvale CA, US
Maxim Greenberg - Haifa, IL
Yoav Berlatzky - Haifa, IL
Edvardas Narevicius - Sunnyvale CA, US
Romanas Narevich - Mountain View CA, US

Assignee:

Optun (BVI) Ltd. - Tortola

International Classification:

G02B 6/34

US Classification:

385 37, 385 15

Abstract:

A mode conversion apparatus including a dynamic waveguide section associated with a plurality of control elements that, when activated, are able to produce a periodic refractive-index perturbation pattern in the dynamic waveguide section, wherein the periodic refractive-index perturbation pattern is able to convert at least a fraction of an input signal from a first guided mode of the dynamic waveguide section into a second guided mode of the dynamic waveguide section.

US Patent:

7321705, Jan 22, 2008

Filed:

May 28, 2003

Appl. No.:

10/515768

Inventors:

Edvardas Narevicius - Sunnyvale CA, US
Ilya Vorobeichik - Sunnyvale CA, US
Yoav Berlatzky - Haifa, IL
Romanas Narevich - Mountain View CA, US

Assignee:

Optun (BVI) Ltd. - Tortola

International Classification:

G02B 6/35

US Classification:

385 17, 385 16

Abstract:

An optical switching device for switching M input signals into N output signals, wherein M and N are each equal to or greater than one, including a mode division multiplexer to join the M input signals into a first multi-mode signal having M initial modes, a mode converter to convert the first multi-mode signal into a second multi-mode signal having N converted modes, and a mode division demultiplexer to separate the second multi-mode signal into the N output signals, wherein the converter is able to be controllably activated such that the N converted modes are separated by the demultiplexer to the N output signals according to a desired scheme.

US Patent:

20130108215, May 2, 2013

Filed:

Oct 27, 2012

Appl. No.:

13/662452

Inventors:

Ilya Vorobeichik - Los Gatos CA, US
Winston Way - Irvine CA, US

Assignee:

NEOPHOTONICS CORPORATION - San Jose CA

International Classification:

G02B 6/35

US Classification:

385 17

Abstract:

Telecommunications switches are presented, including expandable optical switches that allow for a switch of N inputs×M outputs to be expanded arbitrarily to a new number of N inputs and/or a new number of M outputs. Switches having internal switch blocks controlling signal bypass lines are also provided, with these switches being useful for the expandable switches.

US Patent:

20190165877, May 30, 2019

Filed:

Nov 27, 2018

Appl. No.:

16/200949

Inventors:

- San Jose CA, US
Ilya Vorobeichik - Los Gatos CA, US

International Classification:

H04J 14/02
H04Q 11/00

Abstract:

Improved optical network configurations are described incorporating ROADM component structures that are compatible with simplified user transceivers. The ROADM component structures generally include a reconfigurable optical add/drop multiplexer component comprising a multicast switch (MCS), a tunable optical filter (TOF), optical amplifiers, and user side ports. The MCS can be connected to network side optical conduits, while the TOF can be connected by optical conduits to the MCS and to the optical amplifiers by a distinct optical port of the TOF. The user side ports can be connected to the optical amplifiers and to light conduits of a user transceiver. In some embodiments, the MCS and the TOF can be planar optical circuits, and the optical amplifiers can be configured for single wavelength amplification. The improved ROADM component structures can be used for add-side components, drop-side components, or both—and provide for energy efficiency and/or improved device layout.

US Patent:

20170160484, Jun 8, 2017

Filed:

Feb 10, 2017

Appl. No.:

15/429784

Inventors:

- San Jose CA, US
Anthony J. Ticknor - Cupertino CA, US
Ilya Vorobeichik - Los Gatos CA, US

International Classification:

G02B 6/35
H04J 14/02
H04Q 11/00
G02B 6/293

Abstract:

Telecommunications switches are presented, including expandable optical switches that allow for a switch of N inputs×M outputs to be expanded arbitrarily to a new number of N inputs and/or a new number of M outputs. Switches having internal switch blocks controlling signal bypass lines are also provided, with these switches being useful for the expandable switches.

US Patent:

20150036971, Feb 5, 2015

Filed:

Oct 20, 2014

Appl. No.:

14/518290

Inventors:

- San Jose CA, US
Anthony J. Ticknor - Cupertino CA, US
Ilya Vorobeichik - Los Gatos CA, US

International Classification:

G02B 6/35
G02B 6/122

US Classification:

385 17

Abstract:

Telecommunications switches are presented, including expandable optical switches that allow for a switch of N inputs×M outputs to be expanded arbitrarily to a new number of N inputs and/or a new number of M outputs. Switches having internal switch blocks controlling signal bypass lines are also provided, with these switches being useful for the expandable switches.