Division multiplexing demultiplexing patents

Ultra-dense wavelength division multiplexing/demultiplexing devices

Filed: January 28th, 2002 [Granted]

Assignee: Confluent Photonics Corporation

Patent Number: 6591040

An ultra-dense wavelength division demultiplexing device comprising: a wavelength division multiplexing device for separating a first single, multiplexed, ...

Time-division multiplexing/demultiplexing system and method

Filed: April 18th, 2006 [Pending]

Patent Application Number: 11406105

Field of the invention [0003] The present invention relates to a time-division data multiplexing/demultiplexing system and method, and more particularly, ...

$Diffraction grating for wavelength division multiplexing/demultiplexing devices$

Diffraction grating for wavelength division multiplexing/demultiplexing devices

Filed: June 5th, 2000 [Granted]

Assignee: Lightchip Inc

Patent Number: 6449097

1 DIFFRACTION GRATING FOR WAVELENGTH DIVISION MULTIPLEXING/DEMULTIPLEXING DEVICES FIELD OF THE INVENTION 5 The present invention relates generally to ...

Dual wavelength division multiplexing/demultiplexing device using one planar ...

Filed: November 21st, 2002 [Pending]

Patent Application Number: 10301435

[0008] The wavelength-division multiplexing/demultiplexing device using the planar-lightguide circuit as mentioned above has been disclosed in Korean Patent ...

Bi-directional wavelength division multiplexing/demultiplexing devices

Filed: June 27th, 2000 [Granted]

Assignee: Confluent Photonics Corporation

Patent Number: 6829096

SUMMARY OF THE INVENTION According to the present invention, a bi-directional wavelength division multiplexing/demultiplexing device is pro- 20 vided.

Wavelength division multiplexing optical transmitter and wavelength division ...

Filed: April 14th, 1997 [Granted]

Assignee: Fujitsu Limited

Patent Number: 6118561

9 is a block diagram of a further wavelength division multiplexing- demultiplexing optical transmission-reception system showing a further preferred ...

Ultra-dense wavelength division multiplexing/demultiplexing device

Filed: May 31st, 2000 [Granted]

Assignee: LightChip Inc

Patent Number: 6343169

For example, an ultra-dense wavelength division multiplexing/ demultiplexing device in accordance with the present invention may be wholly or partially ...

Wavelength division multiplexing/demultiplexing devices employing patterned ...

Filed: April 10th, 2000 [Granted]

Assignee: LightChip Inc

Patent Number: 6415073

The improved wavelength division multiplexing device as defined in claim 23, wherein the passband of the improved wavelength division multiplexing device is ...