US 2002/0159688 A1 · High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same

Abstract

A high-speed wavelength channel selector has properties of relatively easy manufacturing and easy extension to multi-channel integration, and a high-speed space and wavelength multiplexed channel selector uses the high-speed wavelength channel selector. The high-speed wavelength channel selector is integrated with electro-optic waveguide switches of non-crystalline materials, such as electro-optic polymers or glasses, in the middle of a pair of wavelength multiplexer and demultiplexer and the high-speed space and wavelength multiplexed channel selector has the photonic integrated circuit-type composition of a space multiplexed channel selector containing M electro-optic waveguide switches and an M×1 channel combiner, the high-speed wavelength channel selector, optical amplifier and a high-speed wavelength converter.

Claims24

Dependent claims

A high-speed wavelength channel selector comprising:

a pair of wavelength multiplexer and demultiplexer formed on an optical waveguide;
and
a multi-channel optical waveguide switch array of electro-optic non-crystalline materials placed between the multiplexer and the demultiplexer, wherein the multiplexer, the demultiplexer and the optical waveguide switch array are constructed in the form of a single integrated device.

A high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector comprising:

a space multiplexed channel selecting means for outputting a space channel selected wavelength-division multiplexed (WDM) optical signal based on an inputted space-and wavelength-division multiplexed optical signal, which includes M numbers of optical waveguide switches and an M×1 optical channel combiner, M being an integer equal to or greater than 2;
a wavelength channel selecting means for selecting a wavelength channel of the space channel selected WDM optical signal, which is connected to an output end of the space multiplexed channel selecting means and includes a pair of 1×N wavelength demultiplexer and N×1 wavelength multiplexer, N being an integer equal to or greater than 2, and a multi-channel optical waveguide switch array of electro-optic non-crystalline materials placed on a waveguide array connecting the demultiplexer and the multiplexer;
and
a wavelength converting means, located on an output end of the wavelength channel selecting means, for converting a wavelength of a wavelength channel selected optical signal and outputting a wavelength converted optical signal by passing the wavelength channel selected optical signal through a nonlinear optic medium together with a pump laser beam.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

10/123,337Filed 15 Apr 2002

Priority

KR 2001-2028116 Apr 2001

Published

31 Oct 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

G02B 6/12004
Of the integrated circuit kind: combinations of two or more optical elements
G02B 6/12007
Of the integrated circuit kind: forming wavelength selective elements, e.g. multiplexer, demultiplexer
H04Q 11/0005
Using optical switching: switch and router aspects
G02B 6/12021
Characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes: comprising…

High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same

Life of this patent

High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same

Life of this patent

Abstract

Claims24