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Data Sheet, Rev. 1 September 2001
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM) for Ultralong-Reach Applications
Applications
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SONET/SDH extended-reach applications High-capacity DWDM system applications High-speed data communications Digitized video
Description
The E2500-Type EM-ILM is a 1.5 m laser with an integrated electroabsorptive modulator packaged in an industry-standard, 14-pin butterfly package. The device has been designed to be used in 2.5 Gbits/s extended-reach applications where the distances between regenerators is in the range of 150 km-- 1000 km. To boost the transmitter power high enough to reach the receiver, the device typically is coupled with an erbium-doped fiber amplifier (EDFA) such as Agere Systems Inc.'s 1724 EDFA. The standard product is specified for use up to 360 km (E2505 Series) and 600 km (E2502 Series). The E2500 EM-ILM can replace external modulators in many applications. The nominal input impedance for the modulator is 50 . By integrating the modulator with the laser chip, the device offers a compact, cost-effective solution for extended-reach transmission applications. It can also be specified for WDM applications where wavelength selection is required. Agere is providing devices compatible with the ITU-T wavelength standards.
The E2500 EM-ILM, the newest generation of the awardwinning 266-Type EM-ILM, features an integrated modulator and laser chip, and provides a compact, cost-effective solution for extended-reach transmissions.
Features
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Integrated electroabsorptive modulator 1.5 m wavelength Characterized for 2.5 Gbits/s operation Very low dispersion penalty over 600 km Low modulation voltage Temperature stabilized Wavelengths selectable to ITU-T standards Ultrastable wavelength aging performance for DWDM systems
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Data Sheet, Rev. 1 September 2001
Description (continued)
The package also contains a thermoelectric cooler, thermistor, back-facet monitor, and an optical isolator. This device exhibits excellent wavelength stability, supporting operation at 100 Gbits/s channel spacing, assuming an end-of-life condition of < 100 pm over 20 years for wavelength aging, with very low FIT rates. Wavelength stabilization schemes are not required in DWDM systems of this type, using Agere's E2500Type EM-ILM. The E2500-Type EM-ILM is qualified for DWDM applications to Bellcore TA-TSY-000468.
Pin Information
Table 1. Pin Assignments Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Thermistor Thermistor Laser anode Monitor anode Monitor cathode TEC (+) TEC (-) Case ground Case ground Case ground Laser modulator ground Modulator anode (-)/50 RF input Laser/modulator ground Case ground Description
Module Characteristics
Package Type Fiber Connector RF Input Bit Rate 14-pin butterfly with internal isolator Standard single mode ST (R) 50 nominal 2.5 Gbits/s
7 (-)
6 (+) (+)
5
4 (-) (+)
3
2
1
NOMINAL IMPEDANCE 50
10 k @ 25 C TEC
CASE OR PACKAGE GROUNDS (+) 8 9 10 11 (-) 12 13 14
ISOLATOR
1-891a (F)
Figure 1. E2500 EM-ILM Schematic
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Agere Systems Inc.
Data Sheet, Rev. 1 September 2001
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
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 section of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Laser Diode Reverse Voltage Laser Diode Forward Current Optical Output Power Modulator Reverse Voltage Modulator Forward Voltage Monitor Diode Reverse Voltage Monitor Diode Forward Current Storage Temperature Range Operating Temperature Range Conditions CW CW CW -- -- -- -- -- -- Limit 2 150 10 5 1 10 1 -40 to +85 0 to 70 Unit V mA mW V V V mA C C
Characteristics
Table 2. Optical and Electrical Specifications Parameter Threshold Current (BOL) Forward Voltage Operating Current Threshold Power Fiber Output Power (peak) Peak Wavelength (wavelength can be specified to the ITU-T wavelength channels) Side-mode Suppression Ratio Time Resolved Spectroscopy (chirp), E2505 Series Symbol
ITH VF IOP PTH PPK
Conditions
TLASER CHIP = TOP If = IOP @ TOP TLASER CHIP = TOP TLASER CHIP = TOP If = ITH, VM = 0 V TLASER CHIP = TOP VM = 0 V, If = IOP VM = 0 V TLASER CHIP = TOP, If = IOP
Min 5 -- 50 -- 1
Max 35 2.0 100 80 --
Unit mA V mA W dBm nm
Laser: Laser TOP (temperature of laser submount) = 15 C to 35 C, except where noted.
0
1530 1563
SMSR
TRSP-P
VM = 0 V, If = IOP,TOP 2.5 Gbits/s VLOW = -1.5 V to -3.0 V VHIGH = 0 V If = IOP @ TOP 2.5 Gbits/s VLOW = -1.5 V to -3.0 V, VHIGH = -0.3 V If = IOP @ TOP 2.5 Gbits/s 360 km (E2505) 600 km (E2502) VLOW = -1.5 V to -3.0 V VHIGH = 0 V (E2505), -0.3 V (E2502) IF = IOP @ TOP
30 --
-- 0.25
dB A
Time Resolved Spectroscopy (chirp), E2502 Series
TRSP-P
--
0.15
A
Dispersion Penalty
DP
--
2.0
dB
Agere Systems Inc.
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E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Data Sheet, Rev. 1 September 2001
Characteristics (continued)
Table 2. Optical and Electrical Specifications (continued) Parameter Modulator Extinction Ratio RF Return Loss (0 GHz to 2 GHz) RF Return Loss (2 GHz to 3 GHz) RF Return Loss (3 GHz to 5 GHz) -3 dB Bandwidth
Modulator Current @ VM = 0 V, If = 50 mA ERRF VM = 0 V to -3.0 V, 2.5 Gbits/s VM = -VPP/2 If = IOP VM = -VPP/2 If = IOP VM = -VPP/2 If = IOP VM = -VPP/2 If = IOP
Symbol
Conditions
Min 10 10 7 3 3.5 -- -- 40 -- -- 9.5 10
Max -- -- -- -- -- 15 125 1100 0.1 25 10.5 100
Unit dB dB dB dB GHz mA ps A A pF k A -- A V W C dB
S11 S11 S11 BW -- tR/tF
IBD ID
-- --
TLASER CHIP = TOP VBD = 5 V, If = IOP TLASER CHIP = TOP , VBD = -5 V VBD = 5 V, f = 1 MHz
Rise/Fall Time (20% to 80%) Monitor Diode Monitor Current Dark Current Capacitance Thermistor Resistance Thermistor Current Thermistor B Constant Thermoelectric Cooler TEC Current TEC Voltage TEC Power TEC Capacity Laser Module Optical Isolation
C
RTHERM ITC
T = 25 C -- --
TLASER CHIP = 15 C TCASE = 70 C TLASER CHIP = 15 C TCASE = 70 C TLASER CHIP = 15 C TCASE = 70 C TCASE = 70 C TCASE = 0 C to 65 C
B
ITEC VTEC PTEC
3700 4100 -- -- -- * 30 1.3 2.6 3.0 -- --
T --
* Operation at a DT of 70 C - TSET is guaranteed, where TSET is the laser temperature required to achieve the required ITU wavelength, over life, in a DWDM system (TSET range is 15 C to 35 C). In a non-WDM application, TSET is 25 C.
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Agere Systems Inc.
Data Sheet, Rev. 1 September 2001
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Characteristics (continued)
184.5 mV
20 mV /div
I = 50 V = -1.04 + 2.08 pp P= -0.5 dBm
-15.5 mV 91.65 ns 100 ps/div 92.65 ns
1-500(C).d
Figure 2. Typical Eye Pattern at 2.5 Gbits/s
Agere Systems Inc.
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E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Data Sheet, Rev. 1 September 2001
Characteristics (continued)
10-5 TEST CONDITIONS: T = 25 PC IBIAS (LASER) = 80 mA VBIAS (MOD) = -1.0 Vdc VPP (MOD) = 2.0 V POUT = 1.9 dBm (PULSED) EXT. RATIO (RF) = 11.4 dB
10-6
10-7
BER
10-8 0 km 107 km 122 km 202 km 337 km 640 km
10-9
10-10
10-11 10-12 -38
-37
-36
-35
-34
-33
-32
-31
-30
-29
-28
OPTICAL POWER (dBm)
1-930(C).c
Figure 3. BER vs. Optical Power (Typical)
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Agere Systems Inc.
Data Sheet, Rev. 1 September 2001
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Outline Diagram
1.025 (26.04) 0.500 (12.70) MIN PIN 1 0.020 (0.51) TYP TRADEMARK, CODE, LASER SERIAL NUMBER, AND DATE CODE IN APPROX. AREA SHOWN STRAIN RELIEF 0.10 0.002 (2.54 0.051)
0.500 (12.70) 0.605 (15.37) MAX 0.350 (8.89)
~
0.036 (0.91) 0.200 (5.08)
0.078 (1.98) 0.105 (2.67) DIA TYP (4) PLACES
PIN 14 0.213 (5.40) TYP 0.100 (2.54) TYP
59.06 (1500.00) MIN 2.03 (51.6) 0.180 (4.56) 0.820 (20.83) 0.700 (17.78) 0.863 (21.91) 0.575 (14.61) 0.260 (6.60)
0.10 (2.5)
0.056 (1.42) 0.365 (9.27) MAX
1.180 (29.97) HEAT SINK 0.215 (5.45)
0.030 (0.75)
0.215 (5.47) REF
1-520.h (F)
Agere Systems Inc.
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E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Data Sheet, Rev. 1 September 2001
Ordering Information
Table 3. Ordering Information
Parameter ITU-T Wavelength (nm) 1530.37 1531.15 1531.90 1532.68 1533.46 1534.25 1535.04 1535.82 1536.61 1537.4 1538.19 1538.98 1539.77 1540.56 1541.35 1542.14 1542.94 1543.73 1544.53 1545.32 1546.12 1546.92 1547.72 1548.51 1549.31 1550.12 1550.92 1551.72 1552.52 1553.33 1554.13 1554.94 1555.75 1556.55 1557.36 1558.17 1558.98 1559.79 1560.61 1561.42 1562.23 1530 to 1565 Frequency (THz) 195.9 195.8 195.7 195.6 195.5 195.4 195.3 195.2 195.1 195.0 194.9 194.8 194.7 194.6 194.5 194.4 194.3 194.2 194.1 194.0 193.9 193.8 193.7 193.6 193.5 193.4 193.3 193.2 193.1 193.0 192.9 192.8 192.7 192.6 192.5 192.4 192.3 192.2 192.1 192.0 191.9 -- Device Description E2505 Series 360 km, Standard Fiber Code E2505H59 E2505H58 E2505H57 E2505H56 E2505H55 E2505H54 E2505H53 E2505H52 E2505H51 E2505H50 E2505H49 E2505H48 E2505H47 E2505H46 E2505H45 E2505H44 E2505H43 E2505H42 E2505H41 E2505H40 E2505H39 E2505H38 E2505H37 E2505H36 E2505H35 E2505H34 E2505H33 E2505H32 E2505H31 E2505H30 E2505H29 E2505H28 E2505H27 E2505H26 E2505H25 E2505H24 E2505H23 E2505H22 E2505H21 E2505H20 E2505H19 E2505H Comcode 108319146 108319138 108319120 108031683 108031675 108031667 108031659 108031642 108031634 108031626 108031618 108031600 108031592 108031584 108031576 108031568 108031550 108031543 108031535 108031527 108031519 108031501 108031196 108031188 108031170 108031162 108031154 108031147 108031139 108031493 108031113 108031105 108031097 108031089 108031071 108031063 108031055 108031048 108031030 108031121 108031022 108031691 E2505 Series 600 km, Standard Fiber Code E2502H59 E2502H58 E2502H57 E2502H56 E2502H55 E2502H54 E2502H53 E2502H52 E2502H51 E2502H50 E2502H49 E2502H48 E2502H47 E2502H46 E2502H45 E2502H44 E2502H43 E2502H42 E2502H41 E2502H40 E2502H39 E2502H38 E2502H37 E2502H36 E2502H35 E2502H34 E2502H33 E2502H32 E2502H31 E2502H30 E2502H29 E2502H28 E2502H27 E2502H26 E2502H25 E2502H24 E2502H23 E2502H22 E2502H21 E2502H20 E2502H19 E2502H Comcode 108319112 108319104 108319096 108030990 108030982 108030974 108030966 108030958 108030941 108031006 108030925 108030917 108030909 108030891 108030883 108030875 108030867 108030859 108030842 108030933 108030826 108030818 108030800 108030792 108030784 108030776 108030768 108030750 108030743 108030834 108030727 108030719 108030701 108030693 108030685 108030677 108030669 108030651 108030644 108030735 108030636 108031014
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Agere Systems Inc.
Data Sheet, Rev. 1 September 2001 Related Product Information
Table 4. Related Product Information Description 1.5 mm EDFA 2.5 Gbits/s Receiver 1.5 mm Digital DFB Laser 1.3 mm Digital DFB Laser 2.5 Gbits/s Receiver with Clock Recovery
E2500-Type 2.5 Gbits/s Electroabsorption Modulated Isolated Laser Module (EM-ILM)
Part Number 1724-Type 1319-Type D2500-Type D2300-Type 1320-Type
Document Number DS98-412LWP DS97-106LWP DS97-114LWP DS97-122LWP DS97-113LWP
Agere Systems Inc.
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E2500-Type 2.5 Gbits/s Electroabsorption Isolated Laser Module (EM-ILM)
Data Sheet, Rev. 1 September 2001
Laser Safety Information
Class IIIb Laser Product
This product complies with 21 CFR 1040.10 and 1040.11. Single-mode connector. Wavelength = 1.5 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: 1.5 m
For additional information, contact your Agere Systems Account Manager or the following: INTERNET: http://www.agere.com E-MAIL: docmaster@agere.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: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbour City, Kowloon Tel. (852) 3129-2000, FAX (852) 3129-2020 CHINA: (86) 21-5047-1212 (Shanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (Shenzhen) JAPAN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 778-8833, TAIWAN: (886) 2-2725-5858 (Taipei) EUROPE: Tel. (44) 7000 624624, FAX (44) 1344 488 045
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
September 2001 DS01-281OPTO-1 (Replaces DS01-281OPTO)

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