Oki Optical Components
OL5155M
1550-nm 40-Gbps EA Modulator with Integrated DFB Laser
DESCRIPTION
Oki's OL5155M is a 1550-nm DFB laser diode that is monolithically integrated with an electro-
absorption (EA) modulator. The OL5155M is designed for 40-Gbps operation and is available in a
7-pin package with a V-connector.
FEATURES
• High modulation bandwidth : > 30 GHz (- 3 dB electrical)
• Low modulation voltage : < 3.0 Vpp
• Large dynamic extinction ratio @ 40 Gbps : 10 dB (typical)
• Fiber output power : > 3 dBm (CW)
APPLICATION
• 40 Gbps very short reach (< 2 km) data communication
• 40 Gbps NRZ / RZ medium and long reach transmission
OPTICAL AND ELECTRICAL CHARACTERISTICS
(T
LD
= 25°C, Tc = 0 to 65°C, unless otherwise specified)
Parameter
Fiber Output Power
Operation Current
Threshold Current
Peak Wavelength
Side Mode Suppression Ratio
LD Forward Voltage
Monitor Current
Bandwidth
Static Extinction Ratio
TEC Current
TEC Voltage
Thermistor Resistance
Thermistor B Value
Symbol
Po
Iop
Ith
λp
SMSR
Vf
Im
fc
ExR
Ipe
Vpe
Rth
Bth
Test Conditions
Min.
CW, Vm = 0V
3
Po = 3dBm, CW, Vm = 0V
---
-----
---
Po = 3dBm
1530
Po = 3dBm
30
Po = 3dBm, CW, Vm = 0V
---
Po = 3dBm, CW
50
- 3dB
(electrical)
, Vm = -1V
30
CW, 0 to –3 V
---
∆T
= 40°C, Po = 3dBm
---
∆T
= 40°C, Po = 3dBm
---
-----
9.5
25°C/50°C
---
Typ.
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---
---
---
---
---
---
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14
---
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3450
Max.
---
100
35
1565
---
2.0
1000
---
---
1.2
3
10.5
---
Unit
dBm
mA
mA
nm
dB
V
µA
GHz
dB
A
V
kΩ
K
1/3
Oki Optical Components
OL5155M
ABSOLUTE MAXIMUM RATING
(Tc = 25 °C, unless otherwise specified)
Parameter
Operating Case Temperature
Storage Temperature
LD Forward Current
LD Reverse Voltage
Modulator Voltage
TEC Voltage
TEC Current
Symbol
Tc
Tstg
I
LDF
V
LDR
V
m
Vc
Ic
Rating
0 to +65
-40 to +85
150
2
-3.5 to +0.5
3.2
1.5
Unit
°C
°C
mA
V
V
V
A
CONNECTOR AND FIBER SPECIFICATIONS
Parameter
Type
Mode Field Diameter
Cladding Diameter
Jacket Diameter
Length
Connector
Specifications
SMF
10.5+/-1
125+/- 2
0.9
1 (min.)
FC/SPC
Unit
---
µm
µm
mm
m
---
2/3
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