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LC25WZEA-J34 Datasheet(PDF) 2 Page - Bookham, Inc.

Part # LC25WZEA-J34
Description  2.5Gb/s Buried Het Laser non-WDM applications
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Manufacturer  BOOKHAM [Bookham, Inc.]
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Logo BOOKHAM - Bookham, Inc.

LC25WZEA-J34 Datasheet(HTML) 2 Page - Bookham, Inc.

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Data Sheet
2
Parameters
Parameter
Conditions
Min
Typ
Max
Unit
Threshold current (I
th)
10
22
mA
Slope efficiency by product
2mW
0.04
0.09
mW/mA
3mW
0.06
0.13
4mW
0.08
0.17
10mW
0.143
0.43
RF input reflection coef (S
11)
[1]
-10
dB
Forward voltage
1.3
1.8
V
Peak wavelength (
λ
p)
[2]
1535.82
1560.61
nm
Dispersion penalty
[3]
2
dB
Time averaged spectral linewidth
-20dB
0.1
0.6
nm
Side-mode suppression
32
40
dB
Optical rise/fall time
[4]
125
ps
Monitor photo current
50
250
1200
µA
Monitor dark current
100
nA
Thermistor resistance
10
k
Heatpump current
70°C case temperature
250
600
900
mA
Heatpump voltage
70°C case temperature
1.0
2.4
V
Change of
λ
p with laser temp.
20 to 35
0.09
nm/°C
[1] 50
measurement system, f = dc - 3GHz.
[2] Submount temperature between 20°C & 35°C start of life to achieve required
λ
p.
[3] Standard product dispersion penalty will be compliant to the specified link length of 175km or 100km using an extinction ratio
of 10dB. Fiber dispersion characteristics are derived from the following equation.
Where So = 0.092ps/(nm2km) and
λ = 1302nm.
[4] Measurements determined from 20 - 80% pk - pk.
)
.
/(
)
(
4
)
(
3
4
0
km
nm
ps
So
D
λ
λ
λ
λ−
=
Absolute Maximum Ratings
Parameter
Min
Max
Unit
Case operating temperature
0
70
°C
Laser submount operating temperature
20
35
°C
Storage temperature
-40
85
°C
Laser current above I
th
100
mA
Laser reverse voltage
1.0
V
Laser reverse current
10
µA
Monitor diode bias
-10
V
Heatpump voltage
2.4
V
Fiber bend radius
30
mm


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