JOG-01148 Rev.2
OKI
Electronics Components
Rev. 2 [6. 2004]
OL3450L-2, OL3451L-2, OL3453L-2
Series
2mWCoaxial DFB Laser Diode Modules
Preliminary
1.DESCRIPTION
The OL3450L-2, OL3451L-2, OL3453L-2 series consist of an MQW-DFB laser diode, a
monitor PD, a single-stage optical isolator, a single-mode fiber and a coaxial package.
These modules are coaxial DFB Laser Diode Modules for 2.5Gbit/s transmission with high
power at high temperature.
2. FEATURES
•
Fiber output power: Pf=2.0mW
•
Wide operating temperature range: Tc=0 to +70
°C
•
Side mode suppression: 32dB
•
Multi-quantum-well (MQW) DFB structure
•
Internal monitor PD for power control
•
Built-in single-stage optical isolator
•
Coaxial Package
•
No TEC required
3. APPLICATION
•
OC-48, STM-16
Drawing No: JOG-01148 Rev.2
-1-
Oki Electric Industry Co., Ltd.
JOG-01148 Rev.2
OKI
Electronics Components
4.OPTICAL AND ELECTRICAL CHARACTERISTICS
(Tc = 0 to +70°C, unless otherwise specified)
Test Conditions
Min.
Typ.
Max.
Unit
CW
2.0
mW
Modulated
Tc=+25°C ,CW,BOL
Tc=+70°C,CW,BOL
Tc=+70°C,CW,EOL
Operation Current
Slope efficiency
Modulation Current
Peak Wavelength
Spectral Width
Side-mode suppression
ratio
Rise/Fall times
Relative Intensity Noise
Monitor Current
Tracking Error**
Iop
η
Imod
λp
∆λ
SMSR
Tr/Tf
RIN
Im
TRE
Pf=2.0mW,CW
Pf=2.0mW,
CW,Tc=+25°C
Pf=2.0mW,CW,Tc=+25°C
Pf= 2.0mW,CW
Pf= 2.0mW,CW,-20dB
Pf=2.0mW,CW
P
AVG
=
1.0mW,20-80%
ExR*=9dB
Pf=2.0mW,CW
Pf= 2.0mW,CW, Tc=+25°C
Pf=2.0mW,CW
70
0.05
1260
0.2
32
40
0.09
50
-1
-140
400
---
0.15
-130
2200
+1
0.064
30
40
1360
0.5
1.0
7
25
15
40
1.5*Ith-
BOL
Parameter
Fiber Output Power
Fiber Output Power
(Average)
Threshold Current
Symbol
Pf
P
AVG
mW
Ith
mA
mA
W/A
mA
nm
nm
dB
ns
dB/Hz
µ
A
dB
110
*ExR=Extinction ratio
**TRE=10*log{(Pf@0∼+70°C )/(Pf@25°C)} at Im hold(@25°C)
5.ABSOLUTE MAXIMUM RATING
(Tc = +25°C, unless otherwise specified)
Rating
Unit
4
mW
2
V
10
mA
3
mA
30
V
0 to +70
°
C
-40 to +85
°
C
260
°
C
Parameter
Fiber Output Power
LD Reverse Voltage
Monitor PD Forward Current
Monitor PD Reverse Current
Monitor PD Reverse Voltage
Operating Case Temperature (Tc)
Storage Temperature
Lead Soldering Temperature (10s)
Symbol
Pf
Vrl
Ifd
Ird
Vrd
Tc
Tstg
-
Drawing No: JOG-01148 Rev.2
-2-
Oki Electric Industry Co., Ltd.
JOG-01148 Rev.2
OKI
Electronics Components
6.CONNECTOR AND FIBER SPECIFICATIONS
Parameter
Type
Mode Field Diameter
Cladding Diameter
Jacket Diameter
Length
Connector Type
Specifications
SM
9+/-1
125+/-2
900
1(Min)
FC/SC/LC/MU/MU-J
Unit
---
µm
µm
µm
m
---
7.ORDERING INFORMATION
OL345 0 L – 2 – AF SC
Pin Assignment
0: C type
1: A type
3: B type
(See P.4)
Flange type
AF: Angled Flange
SF: Straight Flange (default, no suffix)
NF: No Flange
Connector type
SC: SC Connector
FC: FC Connector (default, no suffix)
LC: LC Connector
MU: MU Connector
MUJ: MU-J Connector
8.OUTLINE DRAWING
Length (mm)
Drawing No: JOG-01148 Rev.2
-3-
Oki Electric Industry Co., Ltd.
JOG-01148 Rev.2
OKI
Electronics Components
All dimensions in millimeters
Flange Type
Straight flange
No flange
Angled flange
A,C type
C type
B type
A type
Pin Assignment
OL3450L
(C type)
OL3451L
(A type)
OL3453L
(B type)
Drawing No: JOG-01148 Rev.2
-4-
Oki Electric Industry Co., Ltd.
JOG-01148 Rev.2
OKI
Electronics Components
9. SAFETY INFORMATION ON THIS PRODUCT
A laser beam is emitted from this laser diode during operation.
The invisible or visible laser beam, directly or indirectly, may cause injury to
Laser Beam the eye
or loss of eyesight.
Do not look directly into the laser beam.
Avoid exposure to the laser beam, any reflected or collimated beam.
The product contains gallium arsenide, GaAs.
Caution
GaAs vapor and powder are hazardous to human health if inhaled, ingested or
swallowed.
GaAs
Do not destory or burn the product.
Product
Do not crush or chemically dissolve the product.
Do not put the product in the mouth.
Observe related laws and company regulations when discarding this product.
The product should be excluded from general industrial waste or household
garbage.
Caution
A glass-fiber is attached on the product. Handle with care.
Optical Fiber When the fiber is broken or damaged, handle carefully to avoid injury from
the damaged part or fragments.
Warning
All specifications described herein are subject to change without notice.
Drawing No: JOG-01148 Rev.2
-5-
Oki Electric Industry Co., Ltd.
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