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Advance Data Sheet, Rev. 1 June 2001
CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
Applications
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SONET/SDH extended-reach Long-haul, very dense, wave-division multiplexing (DWDM) High-speed data communication Flexible wavelength systems
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Description
The CW20P-type laser modules are designed for use in transmission systems and high-speed data communication applications. The device supports 20 wavelengths. The module uses an RS-232 interface to adjust various module functions such as wavelength. In addition, the interface provides accessibility to the alarm and monitor outputs. The modules meet all present Telcordia Technologies* GR-253-CORE requirements and the ITU-T G.957 and G.958 recommendations. The modules are also suited for extended distance data and networking applications when used in conjunction with a lithium niobate modulator. The CW20P uses a 1.5 m distributed Bragg reflector (DBR) laser with an integrated wavelength stabilizer. By integrating the wavelength stabilizer with the DBR laser chip, the device offers a compact, costeffective solution for low-dispersion transmission. Devices are provided at wavelengths that are compatible with the ITU-T wavelength standards at 200 GHz, 100 GHz, and 50 GHz. The package also contains a thermoelectric cooler, thermistor, backfacet monitor, and optical isolator. The laser module requires 5 V, -5.2 V, and 3.3 V.
Offering multiple channel selections and SONET/SDH compatibility, the CW20P-Type CW DBR Laser Module is manufactured in a 24-pin metallic DIP with a polarization-maintaining fiber (PMF) pigtail.
Features
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Tunable up to twenty ITU-T 50 GHz channels For use with lithium niobate modulators Integrated Etalon stabilizer --Replaces external wavelength lockers 1528.77 nm to 1610.0 nm wavelengths Compact design Remote programmability Asynchronous serial interface for module communication High output power, up to 20 mW Low profile, 24-pin package Laser bias monitor alarm Module enable/disable input
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* Telcordia Technologies is a trademark of Telcordia Technologies, Inc.
CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
Advance Data Sheet, Rev. 1 June 2001
Module Processing
The module can withstand normal wave soldering processes. The complete transmitter module is not hermetically sealed; therefore, it should not be immersed in or sprayed with any cleaning solution or solvents. The process cap and fiber pigtail jacket can deform at temperatures greater than 85 C. The transmitter pins can be wave-soldered at a maximum temperature of 250 C for 10 seconds.
Pin Information
Table 1. Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Name Ground (TEC) Back-facet Monitor1 Bias Monitor/Laser Degrade Alarm1 CW Enable NUC2 Ground Wavelength-Deviation Error Alarm RS-232 Interface (Tx) RS-232 Interface (Rx) Dither Input Ground VEE VCC VTEC (TEC supply voltage) Ground NUC2 Ground NUC2 Ground NUC2 Ground NUC2 Ground VCC
Connector Options
The standard fiber-optic pigtail is an 8 m core PMF panda-type fiber. (914 m) diameter, tight-buffered outer jacket. The standard length is 39 in. 4 in. (1 m 10 cm) and is terminated with an ST (R) optical connector.
Installation Considerations
Although the module has been designed with ruggedness in mind, care should be used during handling. The optical connector should be kept free from dust, and the process cap should be kept in place as a dust cover when the device is not connected to a cable. If contamination is present on the optical connector, the use of canned air with an extension tube should remove any debris. Other cleaning procedures are identified in the Cleaning Fiber-Optic Assemblies Technical Note (TN95-010LWP).
1. Laser back-facet and bias alarm functions are customer-use options that are not required for normal operations of the transmitter and are normally used during manufacture and for diagnostics. The output will optionally be either a logic signal or an analog voltage. All alarm, select, and enable signals are active-high. 2. NUC = no user connection.
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Agere Systems Inc.
Advance Data Sheet, Rev. 1 June 2001
CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
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 Supply Voltage (positive) Supply Voltage (negative) Operating Case Temperature Range Storage Case Temperature Range Lead Soldering Temperature/Time Relative Humidity (noncondensing) Minimum Fiber-Bend Radius Symbol VCC VEE TC Tstg -- RH -- Min -- -- 0 -40 -- -- 1.5 (38.1) Max 5.5 -6.0 70 85 250/10 85 -- Unit V V C C C/s % in. (mm)
Characteristics
(Minimum and maximum values specified over operating case temperature range at 50% duty cycle data signal. Typical values are measured at room temperature unless otherwise noted.) Table 2. Electrical Characteristics Parameter dc Power Supply Voltage dc Power Supply Current dc Negative Supply Voltage dc Negative Supply Current Power Dissipation Module Disable Voltage (TTL) VIH Module Enable Voltage (TTL) VIL Deviation Alarm: Levels (CMOS) VOL Levels (CMOS) VOH Setting Laser Degrade Alarm: Levels (CMOS) VOH Levels (CMOS) VOL Setting TEC Current TEC Voltage Symbol VCC ICC VEE IEE PDISS VDIS VEN VALARM N VALARM ALARM VALARM VALARM N LDALARM ITEC VTEC Min 4.75 -- -5.46 -- -- 4.2 0.0 0 4.05 -20 4.05 0 -- -- 3.2 Typ 5.0 350 -5.2 -- 10 -- -- -- -- -- -- -- -- 1 3.3 Max 5.25 500 -4.94 250 -- -- 0.8 0.6 -- 20 -- 0.6 IBOL x 125% 2 3.5 Unit V mA V mA W V V V V pm V V mA A V
Agere Systems Inc.
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CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
Advance Data Sheet, Rev. 1 June 2001
Characteristics (continued)
Table 3. Optical Characteristics Parameter Average Optical-Fiber Power Output Output Power Variation (BOL) Frequency Drift Center Wavelength Range (See Table 6.) Side-mode Suppression Ratio 2 (BOL)1 Symbol PF P C C SMSR Min 13.0 -0.5 -2.5 1528.77 32 Typ -- -- -- -- -- Max -- 0.5 2.5 1610.53 -- Unit dBm dB GHz nm dB
1. Output power definitions and measurement per ITU-T Recommendation G.957. 2. Ratio of the average output power in the dominant longitudinal mode to the power in the most significant side mode under fully modulated conditions.
Qualification and Reliability
To help ensure high product reliability and customer satisfaction, Agere Systems is committed to an intensive quality program that starts in the design phase and proceeds through the manufacturing process. Optoelectronics modules are qualified to Agere Systems internal standards using MIL-STD-883 test methods and procedures and using sampling techniques consistent with Telcordia Technologies requirements. This qualification program fully meets the intent of Telcordia reliability practices TR-NWT-000468 and TA-TSY-000983. In addition, the Agere Systems design, development, and manufacturing facility has been certified to be in full compliance with the latest ISO * 9001 Quality System Standards.
Laser Safety Information
Class IIIb Laser Product
All versions of the CW20P-type modules are classified as Class IIIb laser products per FDA/CDRH, 21 CFR 1040 Laser Safety requirements. The device will be classified with the FDA under an accession number to be determined. This product complies with 21 CFR 1040.10 and 1040.11. 8 m/125 m diameter single-mode fiber pigtail with 914 m tight-buffered jacket and connector. 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 IIIb Laser Product FDA/CDRH, 21 CFR 1040 Max. Output: 40 mW Wavelength: 1.5 m
* ISO is a registered trademark of The International Organization for Standardization.
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Agere Systems Inc.
Advance Data Sheet, Rev. 1 June 2001
CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
Outline Drawings
Dimensions are in inches and (millimeters).
2.89 (73.4)
2.008 (51.00)
(TOP VIEW)
0.50 (12.70)
0.012 (0.3) STANDOFF HEIGHT
0.018 (0.46) DIA 0.100 (2.54) 1.100 (27.94) 1.075 (27.31)
0.085 (2.16)
(SIDE VIEW)
PIN 13
1.025 (26.04) STANDOFF (TYP. 4 PLCS) 0.39 (10.00) MAX
39.37 (1000)
PIN 24 3.50 (8.89) 1.5 (38.1)
0.28 (7.00) MAX PIN 1 PIN 12 0.236 (5.99)
0.236 (5.99)
4 x 0.106 (2.69) THRU
(BOTTOM VIEW)
1-1263 (F)
Agere Systems Inc.
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CW20P-Type CW Tunable, Wavelength-Stabilized Laser Module
Advance Data Sheet, Rev. 1 June 2001
Ordering Information
Table 6. Ordering Information Product Code CW22P61 CW22P51 CW22P41 CW22P31 CW22P21 CW22P911 CW22P901 CW22P891 CW22P881 CW22P871 ITU Frequency Range (THz) 195.15--196.1 194.15--195.1 193.15--194.1 192.15--193.1 191.15--192.1 190.15--191.1 189.15--190.1 188.15--189.1 187.15--188.1 186.15--187.1 Wavelength Range (nm) 1528.77--1536.22 1536.61--1544.13 1544.53--1552.12 1552.52--1560.2 1560.61--1568.36 1568.77--1576.61 1577.03--1584.95 1585.36--1593.37 1593.79--1601.88 1602.31--1610.49 Comcode 109071530 109071548 109071555 109071563 109071571 109071589 109071597 109071605 109071613 109071621
Related Product Information
Product Code 2623N 2623CSA Description 10 Gbits/s Single-Drive Lithium Niobate Modulator 10 Gbits/s Single-Drive Lithium Niobate Modulator with Integrated Attenuator Document Number DS00-331LWP DS00-331 LWP
For additional information, contact your Agere Systems Account Manager or the following: http://www.agere.com INTERNET: docmaster@micro.lucent.com E-MAIL: 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. ST is a registered trademark of Agere Systems Inc.
Copyright (c) 2001 Lucent Technologies Inc. All Rights Reserved
June 2001 DS00-370OPTO-1 (Replaces DS00-370OPTO)

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