HL6555G
Typical Characteristic Curves
Optical Output Power vs. Forward Current
80
25°C
60
T
C
= 0°C
Threshold Current vs. Case Temperature
100
Optical output power, P
O
(mW)
Threshold current, Ith (mA)
200
50
40
60°C
20
0
0
50
100
150
10
0
10
20 30 40
50 60
70 80
Forward current, I
F
(mA)
Case temperature, T
C
(°C)
Slope Efficiency vs. Case Temperature
1.2
Monitor Current vs. Case Temperature
0.8
P
O
= 60 mW
V
R(PD)
= 5 V
Slope efficiency,
η
S
(mW/mA)
Monitor current, I
S
(mA)
0
10
20 30 40
50 60 70 80
1.0
0.8
0.6
0.4
0.2
0
0.6
0.4
0.2
0
0
10
20
30
40
50
60
70 80
Case temperature, T
C
(°C)
Case temperature, T
C
(°C)
Wavelength vs. Case Temperature
680
1.0
P
O
= 60mW
675
670
665
660
655
650
645
640
0
10 20
30 40
50 60 70 80
0.8
Far Feild Pattern
P
O
= 60mW
T
C
= 25°C
Lasing Wavelength,
λp
(nm)
Relative intensity
Perpendicular
0.6
0.4
0.2
0
–40 –30 –20 –10 0
Parallel
10 20 30 40
Case temperature, T
C
(°C)
Angle,
θ
( ° )
Rev.2 Oct. 15, 2006 page 2 of 4
OPNEXT [ OPNEXT. INC. ]
