Dear Abigail,
The first filter is optical to reduce ASE in the transmitted amplified signal and the other filter is electrical signal to get rid of high frequencies after detection.
Regards,
Ahmad
© 2023 Optiwave Systems Inc.
Dear Abigail,
The first filter is optical to reduce ASE in the transmitted amplified signal and the other filter is electrical signal to get rid of high frequencies after detection.
Regards,
Ahmad