IPIQ

PHYSICS

G02

OPTICS

G02B

OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

6/00

Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

G02B6/24

Coupling light guides

G02B6/26

Optical coupling means

G02B6/28

having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals

G02B6/293

with wavelength selective means

G02B6/29379

characterised by the function or use of the complete device

G02B6/2938

for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM

G02B6/29382

including at least adding or dropping a signal, i.e. passing the majority of signals

G02B6/29383

Adding and dropping