Four-port optical circulators are a special type of circulator that has one input (port 1), one output (port 4) and two common ports (port 2&3). T...

This PM WDM pump coupler combines 980nm and 1550nm, or 980nm and 1064nm optical signals, respectively, while maintaining their polarization states. Th...

1x3 and 1x4 single mode monolithic star couplers have compact package size, low insertion loss, wide bandwidth and high reliability in performance. Th...

The fiber optic mirror reflects incoming light directly back, with very low optical loss. It can be used to change the transmission direction of the o...

Polarization maintaining optical isolators provide high optical isolation and maintain the polarization states of the light. It has wide applications ...

980nm pump laser diode protector is a specially designed band-stop filter. This filter is connected to the output of the 980nm pump laser diode. It fi...