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Data Sheet January 1999
D371-Type Digital Uncooled DFB Laser Module
Applications
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Long-reach SONET OC-3/OC-12 systems Telecommunications Secure digital data systems
Benefits
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Easily board mounted Requires no lead bending No additional heat sinks required Pin compatible with industry-standard, 14-pin laser module Highly efficient DFB-MQW laser structure allows for lower threshold and drive currents, and reduced power consumption
The low-profile D371-Type Laser Module is ideally suited for short- and long-haul SONET and other high-speed digital applications.
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Features
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Eight-pin package suitable for SONET applications Narrow linewidth, distributed-feedback, multiquantum-well (DFB-MQW)1.3 m laser with singlemode fiber pigtail Wide operating temperature range: -40 C to +85 C No TEC required High output power: typical 2.0 mW peak power coupled into single-mode fiber Hermetically sealed active components Internal back-facet monitor Qualification program: Telcordia Technologies * TA-983
Description
The D371-Type Uncooled Laser Module consists of a laser diode coupled to a single-mode fiber pigtail. The device is available in a standard, 8-pin configuration (see Figure 1 and/or Table 1) and is ideal for long-reach (SONET) and other high-speed digital applications. The laser diode is a narrow linewidth (<1 nm) DFBMQW single-mode laser and an InGaAs PIN photodiode back-facet monitor in an epoxy-free, hermetically sealed package.
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* Telcordia Technologies is a registered trademark of Telcordia Technologies, Inc.
D371-Type Digital Uncooled DFB Laser Module
Data Sheet January 1999
Description (continued)
The device characteristics listed in this document are met at 2.0 mW output power. Higher- or lower-power operation is possible. Under conditions of a fixed photodiode current, the change in optical output is typically 0.5 dB over an operating temperature range of -40 C to +85 C. This device incorporates the new Laser 2000 manufacturing process developed by the Optoelectronic unit of Agere Systems Inc. Laser 2000 is a low-cost platform that targets high-volume manufacturing and tighter product distributions on all optical subassemblies. The platform incorporates an advanced optical design that is produced on a highly automated production line. The Laser 2000 platform is qualified for the central office and uncontrolled environments, and can be used for applications requiring high performance and low cost.
4 3 2 1
Table 1. Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 Connection NC/reserved Case ground NC/reserved Photodiode cathode Photodiode anode Laser diode cathode Laser diode anode NC/reserved
5
6
7
8
1-900 (C)
Figure 1. D371-Type Digital Uncooled DFB Laser Module Schematic, Top View
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 operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Maximum Peak Laser Drive Current or Maximum Fiber Power* Peak Reverse Laser Voltage: Laser Monitor Monitor Forward Current Operating Case Temperature Range Storage Case Temperature Range Lead Soldering Temperature/Time Relative Humidity (noncondensing)
* Rating varies with temperature.
Symbol IOP PMAX VRL VRD IFD TC Tstg -- RH
Min -- -- -- -- -- -40 -40 -- --
Max 150 10 2 20 2 85 85 260/10 85
Unit mA mW V V mA C C C/s %
2
Agere Systems Inc.
Data Sheet January 1999
D371-Type Digital Uncooled DFB Laser Module
Handling Precautions
Caution: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper precautions during both handling and testing. Follow guidelines such as JEDEC Publication No. 108A (Dec. 1988). Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD.
Electro/Optical Characteristics
Table 2. Electro/Optical Characteristics (over operating temperature range unless otherwise noted) Parameter Operating Temperature Range Optical Output Power* Threshold Current Modulation Current Slope Efficiency Center Wavelength Spectral Width (-20 dB) Side-mode Suppression Ratio Tracking Error Spontaneous Emission Rise/Fall Times Forward Voltage Input Impedance Monitor Current Monitor Dark Current Wavelength Temperature Coefficient Symbol T PF ITH IMOD SE C SMSR TE PTH tR, tF VF R IMON ID -- Test Conditions -- CW, nominal T = 25 C T = full range CW, PF = 2.0 mW, T = 25 C CW, IMON = const. T = full range CW, PF = 2.0 mW, T = 25 C PF = 2.0 mW, CW PF = 2.0 mW, 622 Mbits/s CW, PF = 2.0 mW IMON = constant, CW I = (0.9) ITH 10%--90% pulse T = 25 C CW -- VR = 5 V VR = 5 V -- Min -40 -- 4 2 10 7.5 67 1280 -- 30 -- -- -- -- 3 50 -- -- Typ -- 2 11 -- 20 -- -- -- -- 40 0.5 -- 0.25 1.1 -- -- 10 0.09 Max 85 -- 15 50 30 55 200 1335 1 -- -- 50 0.5 1.6 8 1000 200 0.1 Unit C mW mA mA mA W/mA nm nm dB dB W ns V A nA nm/C
* 1 mW power option also available. See Table 4 for more information. The slope efficiency is used to calculate the modulation current for a desired output power. This modulation current plus the threshold current comprise the total operating current for the device. VR = reverse voltage.
Agere Systems Inc.
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D371-Type Digital Uncooled DFB Laser Module
Data Sheet January 1999
Outline Diagram
Dimensions are in inches and (millimeters).
TRADEMARK, CODE, LASER SERIAL NUMBER, AND/OR DATE CODE IN APPROXIMATE AREA SHOWN 4 3 2 1
5
6
7
8 1.06 (27.0) MIN
0.52 (13.2)
39.37 (1000) MIN PIGTAIL LENGTH
0.045 (1.143) 0.20 (5.00) 0.010 (0.254)
0.29 (7.37)
0.165 (4.20) 0.016 (0.410) 0.100 (2.54) 0.300 (7.62) 0.110 (2.79)
0.085 (2.16) 0.17 (4.32) 0.30 (7.62)
1-899 (C).f
1
4
Agere Systems Inc.
Data Sheet January 1999
D371-Type Digital Uncooled DFB Laser Module
Qualification Information
The D371-Type Laser Module has completed and passed the following qualification tests and meets the intent of Bellcore TR-NWT-000468 for interoffice environments and TA-TSY-000983 for outside plant environments. Table 3. D371-Type Laser Module Qualification Test Plan Qualification Test Mechanical Shock Vibration Solderability Thermal Shock Fiber Pull Accelerated (Biased) Aging Conditions 500 G for P/F 1,500 G for information 20 g, 20 Hz--2,000 Hz -- Delta T = 100 C 1 kg; 3 times for P/F 2 kg; 3 times for information 85 C, 5,000 hrs. Sample Size 11 11 11 11 11 25 Reference MIL-STD-883 Method 2002 MIL-STD-883 Method 2007 MIL-STD-883 Method 2007 MIL-STD-883 Method 2003
Telcordia Technologies 983 Telcordia Technologies 983 Section 5.18 Telcordia Technologies 983 Telcordia Technologies 983 Section 5.20 Telcordia Technologies 983 Section 5.23
MIL-STD-202 Method 103 MIL-STD-883 Method 1018 TR357 Sec. 4.4.2.5
85 C Storage
1,000 hrs. for provisional qual. 2,000 hrs. for P/F 5,000 hrs. for information 500 cycles for P/F 1,000 cycles for information 10 cycles for P/F 20 cycles for information 40 C, 95% RH 1,000 hrs. for provisional qual. 1,344 hrs. for P/F <5,000 ppm water vapor -- --
11
Temperature Cycling
11
Cyclic Moisture Resistance
11
Damp Heat
11
Internal Moisture Flammability ESD Threshold
11 -- 6
Telcordia Technologies 983 Section 5.22
Agere Systems Inc.
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D371-Type Digital Uncooled DFB Laser Module
Data Sheet January 1999
Laser Safety Information
Class IIIb Laser Product
FDA/CDRH Class IIIb laser product. All versions are Class IIIb laser products per CDRH, 21 CFR 1040 Laser Safety requirements. All versions are Class 3B laser products per IEC * 60825-1:1993. The device has been classified with the FDA under accession number 8720010. This product complies with 21 CFR 1040.10 and 1040.11. 8.3 m single-mode pigtail with optional connector. Wavelength = 1.3 m. Maximum power = 10 mW. Because of size constraints, laser safety labeling 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.
DANGER
INVISIBLE LASER RADIATION IS EMITTED FROM THE END OF FIBER OR CONNECTOR Avoid direct exposure to beam Do not view beam directly with optical instruments
INVISIBLE LASER RADIATION EMITTED FROM END OF FIBER OR CONNECTOR
Avoid exposure to beam Class 3B Laser Product IEC-60825M 1993 Max. Output: 10 mW Wavelength: 1.3 m
* IEC is a registered trademark of The International Electrotechnical Commission.
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Agere Systems Inc.
Data Sheet January 1999
D371-Type Digital Uncooled DFB Laser Module
Ordering Information
Table 4. Ordering Information Device Code D371-10A D371-20A D371-22A D371-20B D371-10F D371-20F D371-22F D371-10N D371-20N D371-22N Comcode 107950941 107950958 108286527 108225376 107950982 107950990 108286535 107951006 107951014 108288382 Operating Case Temperature Range (C) -40 to +85 -40 to +85 0 to 65 -40 to +85 -40 to +85 -40 to +85 0 to 65 -40 to +85 -40 to +85 0 to 65 Pfiber 1.0 mW 2.0 mW 2.0 mW 2.0 mW 1.0 mW 2.0 mW 2.0 mW 1.0 mW 2.0 mW 2.0 mW Connector SC-PC SC-PC SC-PC SC-APC FC-PC FC-PC FC-PC none none none
Agere Systems Inc.
7
D371-Type Digital Uncooled DFB Laser Module
Data Sheet January 1999
For additional information, contact your Agere Systems Account Manager or the following: INTERNET: http://www.agere.com E-MAIL: docmaster@micro.lucent.com N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106) ASIA PACIFIC: Agere Systems Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 778 8833, FAX (65) 777 7495 CHINA: Agere Systems (Shanghai) Co., Ltd., 33/F Jin Mao Tower, 88 Century Boulevard Pudong, Shanghai 200121 PRC Tel. (86) 21 50471212, FAX (86) 21 50472266 JAPAN: Agere Systems Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 3 5421 1600, FAX (81) 3 5421 1700 EUROPE: Data Requests: DATALINE: Tel. (44) 7000 582 368, FAX (44) 1189 328 148 Technical Inquiries: OPTOELECTRONICS MARKETING: (44) 1344 865 900 (Ascot UK)
Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.
Copyright (c) 2001 Agere Systems Inc. All Rights Reserved
January 1999 DS99-022LWP (Replaces DS98-283LWP)

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