Smaller Optical Receiver Components for Client Interface, 100GBASE-ER4 Lite (4L1-9D1F)
100G APD-ROSA (for QSFP28)

Especially designed 100G APD-ROSA (4λ x 25Gb/s) for small form factor transceiver, QSFP28. Downsized package is W=6.2, L=15, H=5.3 mm. The performance of smaller 100G APD-ROSA is the same as conventional 100G APD-ROSA (for CFP2/4).


  • Stable operation at both of 25.78Gb/s and 27.95Gb/s is realized with excellent frequency response.
  • Quad Avalanche Photo Diode (APD) with high responsivity and gain enables to extend the transmission distance beyond 20km.
  • Small size and low power dissipation feature of ROSA enable us to employ it in QSFP28 transceivers.
  • The ROSA is consisting of a hermetically sealed package and an LC receptacle optical connector, standard product, and a Flexible Printed Circuit (FPC) cable.


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