The HFBR-1524Z from Broadcom is a Fiber Optic Transmitter with Wavelength Range 660 nm, Output Optical Power -16.5 to -7.6 dBm, Rise Time 80 ns, Fall Time 40 ns, Optical Rise/Fall Time 80 ns (Rise), 40 ns (Fall). More details for HFBR-1524Z can be seen below.