Description Alcatel 1915 contains Alcatel laser with monolithically in
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Alcatel 1915 ps/nm application Gbit/s digital Laser Module with integrated electro-absorption Modulator
Description Alcatel 1915 contains Alcatel laser with monolithically integrated electro-absorption modulator (ILM). modulation voltage applied modulator section while laser operates Without complexity LiNbO3 external modulators, Alcatel 1915 dedicated STM64/OC-192 rate with reduced size reduced cost. This device allows Gbit/s data transmission with extinction ratio higher than less than modulation voltage. Alcatel 1915 optimised Gbit/s transmission systems supporting dispersion from ps/nm 1600 ps/nm. Features
7-pin package with either connector input High frequency connector package with impedance InGaAsP monolithically integrated laser modulator chip drive voltage Vpp) Very dispersion penalty over Gbit/s operation (over ps/nm) Internal optical isolator, monitor photodiode, thermistor thermo-electric cooler High power available Wavelength selection according ITU-T G.692 STM-64 OC-192 intermediate reach transmission systems Terminals submarine transmission systems Intermediate reach Gbit/s applications IR-2 Short reach Gbit/s applications S-64.2
Applications
Optical characteristics
Parameter Threshold current Operating current Optical output power Laser forward voltage Modulator bias voltage Modulator drive voltage Dynamic extinction ratio Emission wavelength (emitted-target) wavelength Laser chip temperature range tunability Side mode suppression frequency return loss Dispersion penalty Tracking error Symb. PAVE Vbias Vmod SMSR Conditions Vbias Vbias Iop, Vmod, [1], Iop, Vbias Iop, [1], Vbias [1], Tsubmount Tcase 70°C {[P(70 °C)-P(25°C)]/P(25 °C)} [1], 10%, Units
table
Rise time Fall time Tr/Tf Wavelength drift Tcase pm/°C Monitor diode current Iop, 1500 Dark current Iop= Vbias= current Iop= Vbias= voltage Thermistor resistance 10.5 Notes limits start life Tcase range [0°C 70°C], Tsubmount monitor bias unless otherwise stated. 10-10; 9,953 Gbit/s modulation; 223-1 PRBS; line code ps/nm dispersion, assuming fiber with average dispersion ps/nm/km Tsubmount chip temperature required meet target wavelength (see table
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Absolute maximum ratings
Parameters Operating case temperature Storage temperature Laser forward current Laser reverse voltage Modulator forward voltage Modulator reverse voltage Photodiode forward current Photodiode reverse voltage Voltage Current applied modulator applied laser 2000 Lead soldering time 260°C) Packing Mounting Screw Torque Human body model Stresses excess absolute maximum ratings cause permanent damage device. These absolute stress ratings only. Unit
Mechanical details
Connector
Connector
Description Thermistor Thermistor Laser bias Photodetector Anode Photodetector Cathode
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Major Characteristics
Fig. Return Loss Response Fig. Typical Error Rate
Frequency (GHz) 10,0 12,5 15,0
Error Rate
1,E-04
1,E-05
9.953 Gbit/s, 223-1 PRBS, line code, Pave, Tcase fiber
Return Loss dB/div)
1,E-06
1,E-07
1,E-08 1,E-09 1,E-10
Test Pave, Tcase
1,E-11 1,E-12
Received Optical Power (dBm)
Fig. Typical Extinction Ratio versus Bias Voltage
Fig. Typical Filtered Output Diagram with Driver circuit (without fiber recommended circuit Application Note) 9.953 Gbit/s, 223-1 PRBS NRZ, Tc=25 Tsubmount 25°C, Pave DER10
Vbias
-0,5 -1,5
(dB)
ps/div
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Qualification, Reliability Standards
Alcatel Optronics policy products carry complete qualification program. This qualification based manufacturers' qualification agreement with Telcordia GR-468-Core (Generic Reliability Assurance Requirements Optoelectronic Devices Used Telecommunications Equipment Central Office Level), 883E (Test method procedures microelectronics) following standards ITU-T G652 G-691. products pass strict tests before shipping. Failure criteria defined during product qualification process.
Device marking
device shall legibly permanently marked with following information: Alcatel logo Product family name: 1915 Product code number (see Ordering information section) Serial number
Shipment packing
Each device individually packed anti-static container such manner prevent damage transit. packing shall include following information: Alcatel logo Product family name 1915 Product code number (see Ordering information section) Serial number Hazard warning label (ESD) Laser Safety Class Label
Deliverable data
following data shall supplied with each device L(I) V(I) Ipd(I) curves Values Vmod, (On-state voltage data]), DER, (received optical power without fiber), Pave Plot Vmod over range Tcase Tsubmount dispersion penalty
Laser Safety information
Take appropriate precautions prevent undue exposure naked eye. This product classified Class Laser Product according IEC-60825-1. FDA/CDRH Class IIIb laser product. versions Class IIIb laser products CDRH, 1040 Laser. Safety requirements under accession number 0120546-00.
LASER RADIATION AVOID EXPOSURE BEAM Class laser product
Handling
This product sensitive electrostatic discharge should handled except static free workstation. Take precautions prevent ESD; wrist straps, grounded work surfaces recognised anti-static techniques when handling Alcatel 1915 module. Handle laser module package only, never hold pigtail. Care should taken avoid supply transient over voltage. Over voltage above maximum specified absolute maximum rating section cause permanent damage device.
ATTENTION OBSERVE PRECAUTIONS HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES
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Ordering information
Alcatel 1915
Application ps/nm ps/nm ps/nm Part number 3CN00315## 3CN00321## 3CN00521## Electrical Connector type type type Optical Connector FC/PC type FC/PC type SC/PC type Code 3CN00521##
January 2002 Copyright 2002 Alcatel Optronics Customized versions available large quantities. Performance figures contained this document must specifically confirmed writing Alcatel Optronics before they become applicable particular order contract. Alcatel Optronics reserves right make changes products information contained herein without notice.
Code 3CN00315## 3CN00321## 1527.99 196.2 1528.77 196.1 1529.55 1530,33 195,9 1531,11 195,8 1531,89 195,7 1532,68 195,6 1533,46 195,5 1534,25 195,4 1535,03 195,3 1535,82 195,2 1536,61 195,1 1537,39 1538,18 194,9 1538,97 194,8 1539,76 194,7 1540,55 194,6 1541,35 194,5 1542,14 194,4 1542,93 194,3 1543,73 194,2 1544,52 194,1 1545,32 1546,11 193,9 1546,91 193,8 1547,71 193,7 1548,51 193,6 1549,31 193,5 1550,11 193,4 1550,91 193,3 1551,72 193,2 1552,52 193,1 1553,32 1554,13 192,9 1554,94 192,8 1555,74 192,7 1556,55 192,6 1557,36 192,5 1558,17 192,4 1558,98 192,3 1559,79 192,2 1560.60 192.1 1561.42 1562.23 191.9 1563.05 191.8 1563.86 191.7 1564.68 191.6 Table wavelengths referenced vacuum
additional information, contact your Alcatel Optronics Account Manager, following INTERNET
http ://www.alcatel.com/optronics
optronics@alcatel.com
EUROPE France (+33) (+44) 1506 Chantilly (+1) 703-679-6715 Plano (+1) 972-477-54
CANADA Gatineau (+1) 3755 ASIA PACIFIC Japan (+81)-3-5302-4341 China (+86) 6981
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