MULTICHANNEL OPTICAL ADD/DROP MULTIPLEXER Russian patent published in 2013 - IPC H04J14/02 

FIELD: radio engineering, communication.

SUBSTANCE: device consists of third, second and first level channel splitters, third (GSK-16), second (GSK-4) and first (OSK) level standard spectral channel switches, first, second and third level channel couplers, as well as a control unit which generates commands for setting up the operating mode of the multiplexer and switching the standard spectral channels.

EFFECT: design of an add/drop multiplexer based on standard spectral channels, which do not require controlled dynamic adjustment of transfer constants of component elements, while ensuring high-speed operation, low inserted losses, high cross-talk attenuation between neighbouring channels, enabling switching and adding/dropping of all standard spectral channels transmitted over a linear path of fibre-optic transmission systems with spectral channel division.

5 cl, 22 dwg