The 1×4 and 1×8 planar waveguide optical signal splitters from Luminar Semiconductor is a Fiber Optic Coupler with Insertion Loss <7.5 to 10.9 dB, Bandwidth ±50 nm, Wavelength 1310 nm, 1550 nm, Directivity >55 dB, Return Loss >55 dB. More details for 1×4 and 1×8 planar waveguide optical signal splitters can be seen below.
