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Key Features
• 1550 nm DFB CW source monolithicly
integrated with an Electro Absorptionmodulator (EA)
• Hermetic, 7-pin butterfly package
• Single-mode fiber pigtail
• 12 GHz typical bandwidth
• -2 dBm output power
• Multisourced footprint
Applications
• SDH STM-64 LH
• SONET OC-192 LR
PGT 204 03
DFB/EA Laser Module
for 10 Gb/s Applications
Description
The laser module, intended for OC-192/STM-64 applications, consists of a
DFB laser with integrated absorption modulator mounted in a high frequency package which includes an isolator.
1
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PGT 204 03
Figure 1. Block diagram
71
10k
TEC
8
TOP VIEW
Pin Description
1. Thermistor
2. Thermistor
3. Laser DC bias (+)
4. Monitor (-)
5. Monitor (+)
6. TEC (+)
7. TEC (-)
8. EA modulation (-)
Figure 2. Pin description
20.83
5.0
26.4
30.0
Pin 8
ø3.0
4xø2.6
Pin 1
12.02
7.3
7x0.5
6x2.54
4.5
0.2
5.8
12.7
Min. 10
5.1
5.0
14.0
Pin 7
8.2
1.0
8.89
2