EOMs Operating Manual
Ref. Ed. 0
–
08/02/2021
15
Measurement Parameters
This chapter describes the different set up used to measure each electrical or optical parameter of
the modulator.
3.1
Insertion Loss (IL)
The insertion loss is defined
by the difference between the modulator’s input and output optical
power (dBm):
The following sections describe the measurement set up when the modulator comes with (W/) or
without (W/O) optical connectors.
3.1.1
W/
OPTICAL CONNECTORS
3.1.1.1
Reference measurement (P
ref
):
Fig. 20
3.1.1.2
Intensity EOM max transmission measurement
(P
out
):
Fig. 21
𝐼𝐿(𝑑𝐵) = 𝑃
𝑟𝑒𝑓(𝑑𝐵𝑚)
−
𝑃
𝑜𝑢𝑡(𝑑𝐵𝑚)