Up to 300 mW Fiber Bragg Grating Stabilized 980 nm Pump Modules
2700 Series
Key Features
• High kink-free powers to 300 mW
• Low-profile, epoxy-free, and flux-free 14-PIN butterfly
planar package
• Fiber Bragg grating stabilization
• Wavelength selection available
• Integrated thermoelectric cooler, thermistor, and
monitor diode
• High dynamic range
• Excellent low power stability
Applications
• Dense wavelength division
multiplexing (DWDM) EDFAs for
small package designs
• High bit rate, high channel count EDFAs
• CATV distribution
The JDSU 2700 Series of 980 nm pump modules utilizes a planar construction
with chip on subcarrier. The high power JDSU laser chip is hermetically sealed in
a low-profile, epoxy-free and flux-free 14-pin butterfly package, fitted with a
thermistor, thermoelectric cooler, and monitor diode. The module meets the
stringent requirements of the telecommunications industry, including Telcordia™
GR-468-CORE for hermetic 980 nm pump modules.
The 2700 Series pump module uses fiber Bragg grating stabilization to “lock” the
emission wavelength and provides a noise-free narrowband spectrum, even under
changes in temperature, drive current, and optical feedback. Wavelength selection
is available for applications requiring the highest performance in spectrum
control with the highest powers available.
Compliance
• Telcordia GR-468-CORE
NORTH AMERICA
:
800 498-JDSU (5378)
WORLDWIDE
:
+800 5378-JDSU
WEBSITE
:
www.jdsu.com
2700 SERIES
2
Dimensions Diagram
250 µm Bare Fiber Type A Wiring
(Note: Specifications in mm unless otherwise noted; tolerance = .x ± .3, .xx ± .20
The module pigtail consists of 250 µm buffered, Corning PureMode
TM
HI-1060 Single-
mode fiber.)
45.04
30.0
1600 M I N (1900 NOM )
1000 NOM . TO CENTER OF GRATING
26.0
20.8
17.8
1 .5
500 NOM . TO C/L OF SPLICE (OPTIONAL)
4 0 . 5 N O M . 1 5 . 5 1 2 .7
9.0
STRAIN RELIEF
FLEXIBLE <=400
MICRON RECOAT
4.6
4X
2 .5 0 TH RU
1 2X 2 . 5 L E A D S P A C I N G
TOLERANCE IS NON-ACCUMULATIVE
14X 0.51 LEAD WIDTH
260 < RECOAT <
935 (MICRON)
2.8
4.0 0
1.50
7 . 7 ± 0. 2 0
RED NON-XYLENE MARK
FOR RECOAT WITH 295 35 μm
3.9
1.5
5 . 6 TO L EA D C/ L
2X ~ 5
5. 26
0.25 LEAD THICKNESS
Pinout
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
Cooler (+)
Thermistor
Monitor PD Anode
Monitor PD Cathode
Thermistor
N/C
N/C
N/C
N/C
Laser Anode
Laser Cathode
N/C
Case Ground
Cooler (-)
7
6
5
4
3
2
1
8
9
10
11
12
13
14
2700 SERIES
3
Table 1: Absolute Maximum Ratings
Parameter
Operating case temperature
Storage temperature
LD submount temperature
LD reverse voltage
LD forward current
LD current transient
LD reverse current
PD reverse voltage
PD forward current
Electrostatic discharge (ESD)
TEC current
TEC voltage
Axial pull force
Side pull force
Fiber bend radius
Relative humidity
Lead soldering time
Symbol
T
op
T
stg
T
LD
V
r
Test Conditions
-
2000 hours
-
-
-
1 µs maximum
-
-
-
C = 100 pF, R = 1.5
Ω,
human body model
-
-
3 x 10 seconds
3 x 10 seconds
-
40 °C
260 °C
Minimum
-5 °C
-40 °C
0 °C
-
-
-
-
-
-
-
-
-
-
-
16 mm
5%
-
Maximum
75 °C
85 °C
50 °C
2V
650 mA
1000 mA
10 µA
20 V
10 mA
1000 V
2.5 A
4.0 V
5N
2.5 N
-
95%
10 seconds
V
PD
I
PD
V
ESD
I
TEC
V
TEC
R
H
Note: Absolute maximum ratings are the maximum stresses that may be applied to the pump module for short periods of time without causing damage. Stresses in excess of the absolute maximum ratings can
permanently damage the device. Exposure to absolute maximum ratings for extended periods, or exposure to more than one absolute maximum rating simultaneously may adversely affect device reliability.
Table 2: Operating Parameters
(BOL, T
case
= 0 to 75 °C, T
LD
= 25 °C, -50 dB reflection, unless noted otherwise)
Product
Code
1
Maximum
Operating
Power
P
op
(mW)
2,3
Maximum
Operating
Current
I
op
(mA)
Maximum
2
360
380
400
420
440
460
480
500
520
540
560
560
Minimum
Kink-Free
Power
P
max
(mW)
4
Kink-Free
Current
I
max
(mA)
3
Maximum
4
27-xxxx-190
27-xxxx-200
27-xxxx-210
27-xxxx-220
27-xxxx-230
27-xxxx-240
27-xxxx-250
27-xxxx-260
27-xxxx-270
27-xxxx-280
27-xxxx-290
27-xxxx-300
170
180
190
200
210
220
230
240
250
260
270
280
190
200
210
220
230
240
250
260
270
280
290
300
400
420
440
460
480
500
520
540
560
580
600
600
1. The 29-xxxx-xxx-FL may be substituted for this part series. All 27-xxxx-xxx end product specifications will remain as published; there is no change to part numbers, product testing, quality or reliability.
Traceability is accomplished through product serial number.
2. The maximum operating power P
op
will be achieved at a device-specific current, the maximum operating current I
op
. The individual value of I
op
is noted on the hardcopy data sheet shipped with the device.
All values of I
op
are limited by the maximum value listed in Table 2.
3. The pump laser shall never be operated at a power higher than the maximum operating power P
op
throughout its lifetime. At Begin of Life (BOL), the operating current shall never be higher than the
device-specific maximum operating current I
op
that is noted on the hardcopy data sheet shipped with the device. At End of Life (EOL), the operating current shall never be higher than the device-specific
kink-free current I
max
that is noted on the hardcopy data sheet shipped with the device.
4. The module is kink-free (at least) up to a minimum kink-free power P
max
that the module will achieve at a device-specific current, the kink-free current I
max
. The individual value of I
max
is noted on the
hardcopy data sheet shipped with the device. All values of I
max
are limited by the maximum value listed in Table 2.
2700 SERIES
4
Table 3: Available Peak Wavelength Selection
(T
amb
= 25±3 °C, 50 mW < P < P
op
)
Product Code
27-8000-xxx
27-7402-xxx
27-7552-xxx
27-7602-xxx
27-7702-xxx
27-8052-xxx
Minimum Peak Wavelength
970.0 nm
973.5 nm
974.5 nm
975.0 nm
976.0 nm
979.5 nm
Maximum Peak Wavelength
985.0 nm
975.0 nm
976.5 nm
977.0 nm
978.0 nm
981.5 nm
Table 4: Electro-Optical Performance
(BOL,T
case
= 0 to 75 °C,T
LD
= 25 °C, -50 dB reflection, unless noted otherwise)
Parameter
Threshold current
Forward voltage
Spectral width
Peak wavelength tuning
Side-mode suppression ratio
Relative optical power stability
Symbol
I
th
V
f
Δλ
RMS
Δλ
P
/ΔΤ
amb
SMSR
Test Condition
-
I
f
= I
op
50 mW < P < P
op
50 mW < P < P
op
50 mW < P < P
op
Peak-to-peak, T = 10 min,
50 kHz sampling, T
case
= 25 °C
20 mW < P < P
op
12 mW < P < 20 mW
3.5 mW < P < 12 mW
20 mW < P < P
op
1
20 mW < P < P
op
2
20 mW < P < P
op
T
case
= 75 °C
T
case
= 75 °C
-
-
T
case
= 75 °C
T
case
= 75 °C, EOL
Minimum
-
-
-
-
15 dB
Maximum
25 mA
2.5 V
2.0 nm
0.02 nm/°C
-
Tracking error
Tracking ratio
Monitor diode responsivity
TEC current
TEC voltage
Thermistor resistance
Thermistor constant
Module power consumption
TE
TR
Resp
BF
I
TEC
V
TEC
R
th
B
-
-
-
-25%
0.75
2 µA/mW
-
-
9.5 kΩ
3600 K
-
-
4%
10%
25%
25%
1.25
10 µA/mW
1.5 A
2.5 V
10.5 kΩ
4200 K
4.5 W
5.0 W
1. The Tracking Error is defined as the normalized change of output power relative to the operating power over case temperature range 0 °C to 75 °C, at constant back face monitor current corresponding
to the operating power at 25 °C.
2. The Tracking Ratio is a measure of the front-to-back tracking when the output power is varied. On a plot of optical power versus back-face photocurrent, a straight line is drawn between the minimum
power (20 mW) and the operating power P
op
points. The tracking ratio is defined as the ratio between measured optical power (shown as data points on the plot) to the value derived from the straight line.
2700 SERIES
5
Ordering Information
For more information on this or other products and their availability, please contact your local JDSU account manager or
JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide or via e-mail at
customer.service@jdsu.com.
Sample: 27-7402-190
27-
Code
7402
7552
7602
7702
8000
8052
Peak Wavelength
973.5
to
975.0
nm
974.5
to
976.5
nm
975.0
to
977.0
nm
976.0
to
978.0
nm
970.0
to
985.0
nm
979.5
to
981.5
nm
-
Code
190
200
210
220
230
240
250
260
270
280
290
300
Minimum Kink-Free Power
190 mW
200 mW
210 mW
220 mW
230 mW
240 mW
250 mW
260 mW
270 mW
280 mW
290 mW
300 mW
User Safety
Safety and Operating Considerations
The laser light emitted from this laser diode is invisible and may be harmful to the human eye. Avoid looking directly into the
fiber when the device is in operation.
CAUTION: THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT INCREASES EYE HAZARD.
Operating the laser diode outside of its maximum ratings may cause device failure or a safety hazard. Power supplies used with
this component cannot exceed maximum peak optical power.
CW laser diodes may be damaged by excessive drive current or switching transients. When using power supplies, the laser
diode should be connected with the main power on and the output voltage at zero. The current should be increased slowly
while monitoring the laser diode output power and the drive current. Careful attention to heatsinking and proper mounting
of this device is required to ensure specified performance over its operating life. To maximize thermal transfer to the heatsink,
the heatsink mounting surface must be flat to within .001” and the mounting screws must be torqued down to 1.5 in.-lb.
ESD PROTECTION — Electrostatic discharge (ESD) is the primary cause of unexpected laser diode failure. Take extreme
precaution to prevent ESD. Use wrist straps, grounded work surfaces, and rigorous antistatic techniques when handling laser diodes.
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ADI Reference Circuit
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