Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.
1751A 1550 nm DWDM DFB Laser Module
DATASHEET | FEBRUARY 2016
FIBER OPTICS
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute
stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those
given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can
adversely affect device reliability.
Parameter
Operating Case Temperature
Storage Temperature
Laser Forward dc Current
Reverse Voltage Photodiode
Laser Reverse Voltage, dc
ESD
TEC Current
RF Input Power
Symbol
T
C
T
STG
-
V
RPD
V
R
-
I
TEC
P
RFIN
Condition
continuous
-
-
-
-
HBM: R = 1500 Ohm, C = 100 pF
continuous
I
F
= I
OP
Min
-40
-40
-
-
-
-500
-1.7
-
Max
+85
+85
150
10
1
500
1.7
62
Units
°C
°C
mA
V
V
V
A
dBmV
Electrical/Optical Characteristics
Laser Temperature (TL) = 25
o
C, I
F
=I
OP
, Beginning of Life (BOL)
Parameter
Wavelength
1
Symbol
λ
OP
Condition
I
F
= I
OP
, T = T
OP
1751xxxx-06 version
-08 version
-10 version
-16 version
Points measure @
I
F
= I
TH
+ 20 mA & I
F
= I
TH
+ 60 mA
Min
1526.0
6
8
10
16
0.16
30
35
Typ
-
-
-
-
-
0.19
-
-
<-155
-
-
-
-
10
-4.4
-
1.5
900
9/125
Max
1563.1
-
-
-
-
-
-
-
-
0.04
20
120
200
10.5
-
1.6
-
-
-
Unit
nm
mW
mW
mW
mW
mW/mA
dB
dB
dB/Hz
nm
mA
mA
μA/mW
KΩ
%/°C
A
m
μm
μm
Optical Output Power
P
O
Slope Efficiency
Optical Isolation
Sidemode Suppression Ratio
Laser Relative Intensity Noise
Wavelength Drift as Case Temp. is
Changed
Threshold Current
Operating Current
Monitor PD Responsivity
Thermistor Resistance
Thermistor Temperature
Coefficient
TEC Current
Fiber Length
Fiber Buffer
Fiber Core / Cladding
SE
ISO
SMSR
I
F
= I
TH
+ 70 mA,
RIN
λΔ
I
TH
I
OP
r
PD
R
TH
TC
TH
I
TEC
-
-
-
V
RM
=5V
T
OP
=25
°C
T
OP
=25
°C
-40<T
C
<+85°C
I
F
= 100 mA
May include splice
-
-
T = 25
°C
I
F
= 60 mA, T = T
OP
,
Tc varied from minmax
-
-
-
-
10
9.5
-
-1.5
1.0
-
-
1. Measured Wavelength = Operating wavelength with a tolerance of ± 0.05 nm.
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.
1751A 1550 nm DWDM DFB Laser Module
DATASHEET | FEBRUARY 2016
FIBER OPTICS
RF Characteristic
Parameter
Frequency Range
Return Path
Forward Path
Frequency Response
1
Return Path Version 5-210 MHz
Forward Path Version 40- 860 MHz
RF Return Loss
1
Composite Second Order
Composite Triple Beat
Carrier to Noise Ratio
Adiabatic Chirp
Nominal Input Impedance
1
Symbol
F
-
-
| S11 |
CSO
CTB
CNR
FM
Z
IN
Condition
I
F
= 60 mA
I
F
= 60 mA,
T
OP
= 25
°C
-
I
F
= I
OP
Note 2, 3, 4 and 5
I
F
= I
OP
Note 2, 3, 4 and 5
I
F
= I
OP
Note 2, 3, 4 and 5
I
F
= 60 mA, T = 25
°C,
measured at 500 MHz
-
Min
5
40 MHz
-
-
16
50
60
51
40
-
Typ
-
-
±0.5
±0.5
-
-
-
-
-
25
Max
210
1
-
-
-
-
-
-
100
-
Units
MHz
GHz
dB
dB
dB
dBc
dBc
dB
MHz/m
A
dB
1. Measured on a 50Ω resistively matched system.
2. I
OP
is the bias point at which simultaneously the linearity, the min. optical power and the required operating wavelength,
λ
OP
are obtained.
3. 8 channel loading with 10% OMI and 40 km fiber length.
4. Receiver thermal noise 8 pA*Hz
-0.5
, 0.5 mA at Ith+40 mA, photodiode responsivity ~1.1 A/W, noise bandwidth 4.2 MHz
5. Forward band (FB=45-870 MHz): Eight channel CW measurement: channel frequencies set at 553.25, 559.25, 565.25,
571.25, 577.25, 583.25, 589.25, and 595.25 MHz. CTB measured at 553.25, 577.25, and 595.25 MHz. CSO measured at
42 MHz
6. Measured Wavelength = Operating wavelength with a tolerance of + 0.05 nm.
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.
1751A 1550 nm DWDM DFB Laser Module
DATASHEET | FEBRUARY 2016
FIBER OPTICS
Outline Diagrams (Dimensions are in inches and millimeters)
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.
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