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DATASHEET | JULY 3, 2008
Model 1772 DWDM High Power CW Source Laser
The 1772 laser component is characterized for use as a CW optical source in CATV and DWDM networks. The 1772 is dc-coupled with a built-in TEC, thermistor, and monitor photodiode. The device is mounted in a 14-pin, OC-48 pinout compatible butterfly package with the optical isolator mounted on the TEC. The 1772 incorporates a high efficiency coupling scheme to deliver 40 mW, 50 mW, and 63 mW of CW optical power. Performance Highlights
Parameter Min -20 Typ 25 See Page 4 40 Optical Output Power 50 63 Threshold Current Operating Current RIN 30 17 32 40 40 380 -163 -155 mA mA dB/Hz dB/Hz dB dB dB dB mW Max +65 Units C nm
Applications
DWDM CATV Free space optics
Operating Case Temperature Wavelength
Features
40, 50, 63 mW optical output power OC-48 pinout compatible Telcordia Technologies 468 compliant PM fiber -20C to +65C operating temperature range Monitor photodiode
TM
GR-
RIN Through 65 km Fiber SMSR Polarization Extiction Ratio (PMF pigtail) Optical Isolation Optical Return Loss
See page 2 for specific test conditions.
For more information on this and other products:
Contact Sales at Emcore 626-293-3400, or visit www.emcore.com.
Model 1772 DWDM High Power CW Source Laser
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 Photodiode Reverse Voltage Laser Reverse Voltage TEC current ESD Symbol TOP TSTG VR,MPD ITEC Condition continuous continuous continuous continuous continuous continuous HBM: R = 1500 , C = 100 pF Min -20 -40 -500 Max +65 +85 450 10 2 1.7 500 Units C C mA V V A V
DATASHEET | JULY 3, 2008
Electrical/Optical Characteristics
Parameter 1 Operating Case Temperature Optical Output Power Threshold Current Operating Current Laser Bias Forward Voltage Wavelength (1) Spectral Linewidth Optical Isolation Optical Return Loss Sidemode Suppression Ratio Polarization Extinction Ratio Wavelength Drift Over TC Range Relative Intensity Noise Monitor PD Current Monitor PD Dark Current Thermistor Resistance Thermistor Temp. Coefficients TEC Current TEC Voltage
(1)
Symbol Top PO ITH IOP VOP OP ISO ORL SMSR PER TOP RIN IMPD ID RTH TCTH ITEC VTEC
2 2 -1
Condition 40 mW version, T = Tset, IF = IOP 50 mW version, T = Tset, IF = IOP 63 mW version, T = Tset, IF = IOP BOL 40 mW version, BOL 50 mW version, BOL 63 mW version, BOL BOL, IF = IOP T = Tset, IF = IOP T = Tset, IF = IOP, FWHM IF = IOP T = TOP IF = IOP , VMPD = -5 V IOP = 0 mA , VMPD = -5 V TOP = 25 C TOP = 25 C -20C < TC < +65C -20C < TC < +65C
Min -20 40 50 63 32 40 30 17 100 9.5 -1.0 -2.0
Typ 25 See Page 4 10.0 -4.4 -
Max 65 40 330 380 380 2.5 1.0 40 -163 2500 0.2 10.5 +1.5 +3.0
Unit C mW mA mA V nm MHz dB dB dB dB pm dB/Hz A A K %/C A V
Linewidth () is calculated using the below formula: = RIN(f){16(D L/c) f }
2
Where: D = fiber dispersion; L = fiber length (65km); C = velocity of light in free space (3.00E+8); = opt center wavelength RIN(f) = RIN through fiber (RIN65km - RIN0km); f = the measurement frequency (860MHz)
EMCORE CORPORATION
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Model 1772 DWDM High Power CW Source Laser
DATASHEET | JULY 3, 2008
Outline Drawing
Pin Assignments
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Thermistor Thermistor Laser DC Bias (-) MPD Anode MPD Cathode TEC (+, current in cools) TEC (-) Case Ground Case Ground No Connection Laser Common (+), case ground Laser Modulation (-) Laser Common (+) No Connection Function
EMCORE CORPORATION
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Model 1772 DWDM High Power CW Source Laser
DATASHEET | JULY 3, 2008
ITU Grid Channel Numbering
Please contact Emcore Sales for ITU wavelength channel availability.
Package Schematic
OPT OUT
1 10K ISO
NC
14
2
13
GND
DC BIAS
3 0.1uF
choke
(-)
12
RF INPUT
4
(+)
11 (+)
GND
5 (-) 6 (+) 7 (-) TEC CASE GND
10
NC
9
8
EMCORE CORPORATION
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Model 1772 DWDM High Power CW Source Laser
DATASHEET | JULY 3, 2008
Laser Safety Class IIIb Laser Product
This product meets the appropriate standard in Title 21 of the Code of Federal Regulations (CFR). FDA/CDRH Class IIIb laser product. This device has been classified with the FDA/CDRH under accession number 0220732. All Versions of this laser are Class 3B laser product, tested according to IEC 60825-1:1993 + A1:1997 + A2:2001 / EN 60825-1:1994 + A2:2001 + A1:2002 Single-mode fiber pigtail with FC/APC connectors (standard). Wavelength = 1.5 m. Maximum power = 100 mW. Because of size constraints, laser safety labeling (including an FDA class IIIb label) is not affixed to the module, but attached to the outside of the shipping carton. Product is not shipped with power supply. Caution: Use of controls, adjustments and procedures other than those specified herein may result in hazardous laser radiation exposure.
EMCORE CORPORATION
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Model 1772 DWDM High Power CW Source Laser
DATASHEET | JULY 3, 2008
Ordering Code Definitions
1772-NM-xx-yy-FC-PM
Family Name High Power CW, 14-Pin, DFB Matching Options NM: No Matching
Optical Output Power xx = 40: 40 mW xx = 50: 50 mW xx = 63: 63 mW Wavelength yy = 02: Non-ITU, 1547 nm - 1560 nm yy = 03: Non-ITU, 1557 nm - 1560 nm yy = 04: Non-ITU, 1530 nm - 1560 nm yy = 15: ITU Channel 15, 1565.50 nm yy = 16: ITU Channel 16, 1564.68 nm ... yy = 61: ITU Channel 61, 1528.77 nm yy = 62: ITU Channel 62, 1527.99 nm Connector FC: FC/APC Fiber Options PM: Panda PM, 400 m
Example 1772-NM-63-43-FC-PM: 1772, 63 mW minimum output power, ITU channel 43, 1542.94 nm, FC/APC, Panda PM, 400 micron buffer. Please contact Emcore Sales for current ITU wavelength channel availability.
Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of the product at any time without notice. EMCORE and the EMCORE logo are trademarks of EMCORE Corporation.
EMCORE CORPORATION
1772 Datasheet
2015 West Chestnut Street Alhambra, California 91803-1542 EMCORE CORPORATION Tel: 626-293-3400 Fax: 626-293-3428 www.emcore.com
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Copyright 2008. EMCORE Corporation

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