Optical Fiber Coupler
Optical fiber couplers are used for multiplexing and demultiplexing optical signals in various wavelength bands.
Fujikura manufactures fused fiber couplers.
Since all optical paths are composed of optical fibers, it is possible to minimize loss when integrated into the system.
Fujikura optical fiber couplers are qualified with Telcordia GR-1221 CORE and GR-1209 CORE
Products are used as components of amplifiers in submarine cable repeaters that require high reliability.
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Optical Fiber Coupler
Tap couplers and WDM couplers for multiplexing/splitting signal and pump lights are avialable. Tap couplers from 1% to 50% coupling ratio can be provided according to customer requirements.

Customer Challenges We Address

Low loss
Low excess loss and low PDL (Polarization Dependent Loss)

Various coupling ratio
Coupling ratio from 1% to 50% can be provided

High reliability
Qualified with Telcordia GR-1221-CORE and GR-1209-CORE