1,550nm Modulator
Integrated DFB Laser
FLD5F20NP-E
Fig. 3 Extinction Ratio vs.
Modulation Applied Voltage
Fig. 4 Cut-off Frequency (S21)
0
-5
12
9
6
3
0
-3
-10
-6
-9
-12
-15
-20
0
5
10
15
20
0
0.5
1.0
1.5
2.0
2.5
Frequency, f (GHz)
Modulation Applied Voltage (V)
Fig. 5 RF Return Loss (S11)
Fig. 6 Transmission Characteristics
0
10-4
TLD=25°C,
ILD=90mA, Vm=-0.7V/2.0Vpp
9.95328Gb/s, PRBS=223-1,
Dispersion penalty @BER=10-10
=+0.7 dB: 1600 ps/nm
Back to Back
10-5
-10
-20
-30
After 1600 ps/nm
10-6
10-7
10-8
10-9
10-10
10-11
10-12
0
5
10
15
20
Frequency, f (GHz)
-22
-23
-21 -20 -19 -18 -17 -16
Received Optical Power (dBm)
4
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