WiMax
2.5Gbps 1625 nm DFB Pigtailed Laser Diode Module
Features
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1625nm InGaAsP/InP MQW-DFB laser diode (LD)
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Uncooled
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Single–stage isolator (optional)
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Low threshold current
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Hermetically sealed
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0oC to +70oC operating temperature
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High performance/speed InGaAs monitor PIN photodiode (PD)
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Package in pigtailed module with FC/PC, FC/APC, SC/PC, SC/APC
Application
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SONET
OC3,OC-12 ,OC-24, OC-48
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SDH
STM-1,STM-4,STM-8, STM-16 ITU-T
recommendations
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2.5Gbps
Gigabit Ethernet
-
Stable
emitting source at specific wavelength
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|
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Read Model No.
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T62D -XYZ-WM-I
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T15D = Laser
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1625 nm DFB laser
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X = Package
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Pigtailed with 9/125 mm
SM fiber (X=P)
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Y = Connector
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None (Y=NO); FC-PC (Y=FC), SC-PC (Y=SC); FC-APC
(Y=FA), SC-APC (Y=CA)
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Z = Output power
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>1mW(Z=1), >2mW(Z=2)
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W = Pinout
configuration
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A pinout configuration (W=A)
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M = Mount
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No flange (M=0), Horizontal mount (M=1)
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I= Isolator
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No isolator (I=blank), with isolator (I=I)
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Absolute Maximum Ratings
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Parameter
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Symbol
|
Value
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Unit
|
|
Storage
temperature
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Tstg
|
-40~+85
|
oC
|
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Operating
case temperature
|
Top
|
0~+70
|
oC
|
Peak
optical output power
|
Po
|
8
|
mW
|
Forward
current (LD)
|
IFLD
|
150
|
mA
|
Reverse
voltage (LD)
|
VRLD
|
2
|
V
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Reverse
current (PD)
|
IRPD
|
2
|
mA
|
Reverse
voltage (PD)
|
VRPD
|
15
|
V
|
Soldering
temperature
|
Stemp
|
260
|
oC
|
Soldering
time
|
Stime
|
10
|
sec
|
Specifications
Electrical
and Optical Characteristics (CW @ T=25 oC)
Parameter
|
Symbol
|
Condition
|
Min.
|
Typ.
|
Max.
|
Unit
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Threshold current
|
Ith
|
CW
|
－
|
8
|
15
|
mA
|
CW, Tc=0~70 oC
|
－
|
－
|
50
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Operating voltage
|
Vop
|
CW, Pop, Tc=0~70 oC
|
－
|
1.2
|
1.6
|
V
|
Operating current
|
Pf
|
Pop=1.0mW
(High power)
Pop=2.0mW
(Extra high power)
|
－
|
30
|
40
|
mW
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Peak wavelength
|
λp
|
CW, Pop
|
1620
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λp
|
1630
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nm
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CW, Pop, Tc=0~70 oC
|
1613
|
λp
|
1637
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Side-mode suppression rate
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SMSR
|
CW, Pop, Tc=0~70 oC
|
30
|
－
|
－
|
dB
|
Rise time
|
Tr
|
Ib=Ith, 20%~80%, Tc=0~70 oC
|
－
|
－
|
0.1
|
ns
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Fall time
|
Tf
|
Ib=Ith, 20%~80%, Tc=0~70 oC
|
－
|
－
|
0.15
|
ns
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Monitor current
|
Im
|
Pop , Vrp =5V
|
0.05
|
0.5
|
－
|
mA
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Monitor dark current
|
Id
|
Vrp = 5V
|
－
|
－
|
10
|
nA
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Monitor capacitance
|
C
|
Vrp = 5V, f=1MHZ
|
－
|
－
|
10
|
pF
|
Optical Isolation
|
OS
|
CW, Pop
|
30
|
－
|
－
|
dB
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Tracking error
|
－
|
APC , 0~+70 oC
|
－
|
±0.7
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±1.5
|
dB
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Fiber Pigtail
Specifications
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Fiber type
|
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Single Mode Fiber (Flame Retardant Hytrel Coating)
|
|
Cladding diameter
|
Dcl
|
122
|
125
|
128
|
mm
|
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Mode field diameter
|
Dmf
|
-
|
10
|
-
|
mm
|
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Coating diameter
|
Dbc
|
-
|
0.9
|
1
|
mm
|
|
Pigtail length *
|
L
|
0.9
|
1.0
|
1.1
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