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COMMUNICATIONS COMPONENTS
Up to 400 mW Fiber Bragg Grating Stabilized 980 nm Pump Modules 2745 Series
Key Features
* High kink-free powers to 400 mW * Reduced TEC power consumption, compatible with legacy temperature control * Low-profile 14-PIN butterfly planar package * Fiber Bragg grating stabilization * Wavelength selection available * Integrated thermoelectric cooler, thermistor, and monitor diode * High dynamic range
Applications
* Dense wavelength division multiplexing (DWDM) EDFAs for small package designs * High bit-rate, high channel-count EDFAs * CATV distribution
The JDSU 2745 series of 980 nm pump modules uses a planar construction with chip on subcarrier. The semicooled' 45C laser diode operation provides for a significant reduction in TEC and overall power consumption. The high-power JDSU laser chip is hermetically sealed in a low-profile, 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 2745 series pump module, which uses fiber Bragg grating stabilization to lock the emission wavelength, 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
2745 SERIES
2
Dimensions Diagram 250 m Bare Fiber Type A Wiring Note: Specifications in mm unless otherwise noted; tolerance = .x .3, .xx .20. The module pigtail consists of 250 m buffered, Corning PureModeTM HI-1060 Singlemode 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 T O L E R A N C E I S N O N -A C C U M U L A T I V E 14X 0.51 LEAD WIDTH
260 < RECOAT <
935 (MICRON)
2.8 4.0 0 1.50 7 . 7 0. 20
RED NON-XYLENE MARK FOR RECOAT WITH 295 35 m
3. 9
1.5
5 . 6 T O 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
2745 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 Top Tstg TLD Vr
Test Conditions 2,000 hours 1 s maximum C = 100 pF, R = 1.5 , human body model 3 x 10 seconds 3 x 10 seconds 40C 300C
Minimum -5C -40C 0C 16 mm 5% -
Maximum 75C 85C 50C 2V 1,000 mA 1,100 mA 10 A 20 V 10 mA 1,000 V 2.5 A 4.0 V 5N 2.5 N 95% 10 seconds
VPD IPD VESD ITEC VTEC
RH
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, Tcase = 0 to 75C, TLD = 45C, -50 dB reflection, unless noted otherwise)
Product Code
Maximum Operating Power Pop (mW) 100 120 135 155 170 190 205 225 240 260 275 295 310 330 340
Maximum Operating Operating Current Iop (mA) 300 320 330 360 400 440 480 520 560 600 640 680 725 780 820
Minimum Kink-Free Power Pmax (mW) 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400
Kink-Free Current Imax (mA) Maximum 340 355 380 420 460 510 560 600 650 700 750 820 860 910 950
27-xxxx-120-45 27-xxxx-140-45 27-xxxx-160-45 27-xxxx-180-45 27-xxxx-200-45 27-xxxx-220-45 27-xxxx-240-45 27-xxxx-260-45 27-xxxx-280-45 27-xxxx-300-45 27-xxxx-320-45 27-xxxx-340-45 27-xxxx-360-45 27-xxxx-380-45 27-xxxx-400-45
2745 SERIES
4
Table 3 Available Peak Wavelength Selection (Tamb = 253C, 50 mW < P < Pop)
Product Code 27-8000-xxx-45 27-7402-xxx-45 27-7552-xxx-45 27-7602-xxx-45 27-7702-xxx-45
Minimum Peak Wavelength 973.5 nm 973.5 nm 974.5 nm 975.0 nm 976.0 nm
Maximum Peak Wavelength 978.0 nm 975.0 nm 976.5 nm 977.0 nm 978.0 nm
Table 4 Electro-optical Performance
(BOL,Tcase = 0 to 75C,TLD = 45C, -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 Ith Vf RMS P/amb SMSR
Test Condition If = Iop 50 mW < P < Pop 50 mW < P < Pop 50 mW < P < Pop Peak-to-peak, T = 10 min, 50 kHz sampling, Tcase = 25 C 20 mW < P < Pop 12 mW < P < 20 mW 3.5 mW < P < 12 mW 20 mW < P < Pop1 20 mW < P < Pop2 20 mW < P < Pop Tcase = 75C Tcase = 75C -
Minimum 15 dB
Maximum 40 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
TE TR RespBF ITEC VTEC Rth B
-25% 0.75 2 A/mW 9.5 k 3600 K
4% 10% 25% 25% 1.25 10 A/mW 1.5 A 2.5 V 10.5 k 4200 K
1. The Tracking Error is defined as the normalized change of output power relative to the operating power over case temperature range 0C to 75C, at constant back face monitor current corresponding to the operating power at 25C. 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 Pop 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.
2745 SERIES
5
Table 5 TEC and Total Module Power Consumption (For T = 30C, BOL, Tcase = 75C, Tld = 45C unless noted otherwise)
Product Code
TEC Current Imax (A) 0.58 0.60 0.63 0.65 0.69 0.71 0.78 0.83 0.90 0.94 1.00 1.06 1.13 1.21 1.28
TEC Voltage Vmax (V) 0.90 0.92 0.96 0.98 1.04 1.07 1.17 1.25 1.31 1.38 1.45 1.52 1.57 1.65 1.75
TEC Power Consumption Pmax (W) 0.52 0.55 0.60 0.64 0.72 0.76 0.91 1.04 1.18 1.30 1.45 1.61 1.77 2.00 2.24
Total Module Power Consumption Pmax (W) 1.01 1.08 1.17 1.26 1.43 1.56 1.81 2.04 2.28 2.51 2.76 3.03 3.31 3.68 4.03
27-xxxx-120-45 27-xxxx-140-45 27-xxxx-160-45 27-xxxx-180-45 27-xxxx-200-45 27-xxxx-220-45 27-xxxx-240-45 27-xxxx-260-45 27-xxxx-280-45 27-xxxx-300-45 27-xxxx-320-45 27-xxxx-340-45 27-xxxx-360-45 27-xxxx-380-45 27-xxxx-400-45
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: 27-7402-180-45
27Code 7402 7552 7602 7702 8000 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 973.5 to 978.0 nm
Code 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400
-45
Minimum Kink-Free Power 120 mW 140 mW 160 mW 180 mW 200 mW 220 mW 240 mW 260 mW 280 mW 300 mW 320 mW 340 mW 360 mW 380 mW 400 mW
2745 SERIES
User Safety
Safety and Operating Considerations The laser light emitted from this diode laser 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 diode laser 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 diode lasers may be damaged by excessive drive current or switching transients. When using power supplies, the diode laser should be connected with the main power on and the output voltage at zero. The current should be increased slowly while monitoring the diode laser 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 -- ESD is the primary cause of unexpected diode laser failure. Take extreme precaution to prevent ESD. Use wrist straps, grounded work surfaces, and rigorous antistatic techniques when handling diode lasers.
Labeling
21 CFR 1040.10 Compliance Because of the small size of these devices, the output power and laser emission indicator label shown below is attached to the individual shipping container. All labels are illustrated here to comply with 21 CFR 1040.10 as applicable under the Radiations Control for Health and Safety Act of 1968.
14-Pin Module Label
08/18/08 27-ABC123 27-xxxx-xxx-45 Made in China
Shipping Box Label
27-ABC123
Model:
27-xxxx-xxx-45 JDS Uniphase (Shenzhen) Ltd 3 Hongmian Road Futian Free Trade Zone Shenzhen, China 518038 Made in China
Output Power and Laser Emission Indicator Label DANGER
INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM PEAK POWER 500 mW WAVELENGTH 630 - 1,550 nm CAUTION Handle with care. Easily damaged by electrostatic discharge
INVISIBLE LASER DIODE
AVOID EXPOSURE
This product complies with 21 CFR Chapter 1, Subchapter J
CLASS 3B LASER PRODUCT
Visible/invisible radiation emitted from fiber end or fiber receptacle
NORTH AMERICA: 800 498-JDSU (5378)
WORLDWIDE: +800 5378-JDSU
WEBSITE: www.jdsu.com
Product specifications and descriptions in this document subject to change without notice. (c) 2009 JDS Uniphase Corporation 30162502 001 0309 PureMode is a registered trademark of Corning Incorporated. Telcordia is a registered trademark of Telcordia Technologies Incorporated.
2745PUMP.DS.CC.AE
08/18/08
Serial:
March 2009

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