MITSUBISHI LASER DIODES
ML9XX11/ML9XX22 SERIES
Notice: Some parametric limits are subject to change.
2.5Gbps DWDM InGaAsP DFB-LASER DIODE
TYPE
ML9SM11/ML9SM22
NAME
DESCRIPTION
FEATURES
ML9XX11 and ML9XX22 series are DWDM 2.5Gbps directly
modulated DFB (Distributed Feedback) laser diodes.
ML9XX11 and ML9XX22 are suitable light sources for 2.5Gbps
DWDM transmission in C-band and L-band wavelength ranges
respectively. Wavelength can be chosen with 0.8nm spacing
according to ITU-T grid. Maximum 175km transmission distance
can be achievable.
• Available distance: 175km (Max)
• High power operation: 10mW
• High - side mode suppression ratio: 45dB (typ)
• High speed response (tr/tf): 120psec (typ)
*1) Specification Note
ML9XX11 and ML9XX22 are supplied with the chip-on-carrier
type package.
Type
ML9SM11-02/ML9SM22-02
ML9SM22-03
Transmission Distance
100km
150km
175km
APPLICATION
ML9SM11-03
2.5Gbps DWDM transmission system
ABSOLUTE MAXIMUM RATINGS
Symbol
Po
Parameter
Conditions
Ratings
Unit
Optical output power
Operating current
Reverse voltage
CW
20
150
mW
mA
V
IF
-
-
VRL
Tsld
Tc
2
320
+15 to +35
-40 to +100
Soldering temperature
Case temperature
Storage temperature
1 mimute
°C
-
-
°C
Tstg
°C
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25°C)
Symbol
Ith
Parameter
Test Conditions
Min.
Typ.
10
Max.
Unit
mA
Threshold current
CW
-
35
85
Iop
Vop
η
λp
θ//
Operation current
CW, Po=10mW
CW, Po=10mW
CW, Po=10mW
CW, Po=10mW
CW, Po=10mW
-
-
45
mA
Operating voltage
1.2
0.3
code list
28
1.8
-
+0.3
35
V
Slope efficiency
0.15
-0.5
-
mW/mA
nm
Peak wavelength
Beam divergence angle (parallel)
Beam divergence angle
(perpendicular)
deg.
CW, Po=10mW
-
30
45
deg.
θ⊥
tr,tf
SMSR
Rise and fall time (10%-90%)
Side mode suppression ratio
2.5Gbps, NRZ, PRBS 223-1
Imod=40mApp, Ex=10dB
ditto
-
35
120
45
200
-
psec
dB
Pp
Dispersion penalty
SMF @BER=10-10
-
-
2.0
dB
Transmission Distance: *1
MITSUBISHI
ELECTRIC
Aug. 2005