This polarization controller has three adjustable paddles to induce the change of birefringence of the fiber. The design is based on three wave plates...

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

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...

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...

Polarization maintaining couplers (PMC) combine or split the incoming light and maintain their polarization states at the output ports. Two types o...

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