1x2 1542.54 nm Filter Delay Line Interferometer They featured with a low

They featured with a low insertion loss

The coupler is a 1x2 1585 nm coupler

tap ratio: 85/15

Optical Add/drop System

1x2 1542.54 nm Filter Delay Line Interferometer They featured with a lowThis WDM based pump signal combiner utilizes thin film filter technology to combine the pump power with the input signal. It features low insertion loss, low PDL, and negligible PMD. This device is used for building broadband, low noise EDFAs and raman amplifiers for ultra long haul networks. It is housed in a high power handling metal package. FEATURES Low Insertion Loss Low PDL Negligible PMD High Stability and Reliability USE IN Building Broadband