FLD5F20NP-E
Fig. 3 Extinction Ratio vs.
Modulation Applied Voltage
0
1,550nm Modulator
Integrated DFB Laser
Fig. 4 Cut-off Frequency (S21)
Extinction Ratio (dB)
-5
Relative Output (dB)
12
9
6
3
0
-3
-6
-9
-12
0
5
10
15
20
-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)
0
Fig. 6 Transmission Characteristics
10
-4
10
-5
TLD=25°C,
ILD=90mA, Vm=-0.7V/2.0Vpp
9.95328Gb/s, PRBS=2
23
-1,
Dispersion penalty @BER=10
-10
=+0.7 dB: 1600 ps/nm
Back to Back
After 1600 ps/nm
Return Loss (dB)
-10
Bit Error Rate
0
5
10
15
20
10
-6
10
-7
10
-8
10
-9
10
-10
10
-11
10
-12
-23 -22 -21 -20 -19 -18 -17 -16
-20
-30
Frequency, f (GHz)
Received Optical Power (dBm)
4
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