Alcatel 1915 LMI 10 mW WDM direct modulation 1.55 m Laser Module with optical Isolator Description This laser module contains an Alcatel SLMQW DFB laser with 25 impedance matching designed for use in Wavelength Division Multiplexed (WDM) systems, high power direct modulation operations up to 2.5 Gbit/s. The module incorporates a thermoelectric cooler, precision thermistor, and optical isolator for stable operation under all conditions. * Wavelength selection according to ITU-T G.692 * 50 GHz spacing available * Internal optical isolator * 25 RF impedance matching and DC bias RF filtering * Industry - standard hermetic 14-pin butterfly package * InGaAsP Distributed FeedBack SLMQW (DFB) laser Features Applications * Up to 10 mW output power * Low dispersion penalty * Optimized for direct modulation at 2.5 Gbit/s * EDFA - free long span STM-16 and OC-48 DWDM transmission systems * High-speed DWDM Metropolitan Area Networks * Saturation Laser for WDM EDFA * Instrumentation. Optical characteristics Parameter Threshold current Output power Laser drive current Emission wavelength (Emitted-Target) wavelength Laser chip temperature range for tunability Side mode suppression ratio Dispersion penalty Tracking error Relative Intensity Noise Photodiode dark current Wavelength drift vs Tcase Thermistor resistance Thermistor temperature coefficient TEC current TEC voltage Conditions Twave= 20 to 35 C 10 mW Ith not included, see [2] @Tchip[4] [4] [2] [2], [3] ACC, [P(25C) - P(70C)]/ P (25 C) 100 MHz to 3 GHz @ PPeak V=-5V [1] [1] Symb. Ith PPeak I m e T SMSR S TR Min Typical Max 15 60 80 10 Units mA mW mA See table 1 - 0.1 20 35 + 0.1 35 2 + 10 nm C dB dB % RIN -145 dB/Hz Id /Tc RTH Rt It Vt 100 1 10.3 -5 1.1 2.2 nA pm/C k= %/K A V 1 9.7 -3 Notes : All limits start of life except It, Vt, Tsubmount = 25 C, Tcase = 25 C, Ppeak = 10 mW, monitor bias - 5 V, unless otherwise stated. [1] Tcase = 65C, Tsubmount = 25C, P = 10 mW [2]2.5Gbit/sdirectmodulation,Pmean=5mW,223-1PRBS,151%extinctionratio,NRZlinecode [3] 1800 ps/nm chromatic dispersion, BER = 10-10 [4] Tchip = T. T is chip temperature required to meet target wavelength (see table 1) Absolute maximum ratings Parameters Operating case temperature Storage temperature Laser forward current Laser reverse voltage Photodiode forward current Photodiode reverse voltage Thermistor Voltage Thermistor Current TEC Voltage TEC Current Soldering temperature (3 sec max) Packing Mounting Torque Min - 10 - 40 Max 70 85 150 2 1 20 9 250 2.8 1.4 350 0.2 Unit C C mA V mA V V A V A C Nm [1] Human body model Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolue stress ratings only. Mechanical details Pin out N 1 2 3 4 5 6 7 Description Thermistor Thermistor Laser DC bias (-) Photodetector Anode (-) Photodetector Cathode (+) TEC (+) TEC (-) 7 6 5 N 8 9 10 11 12 13 14 4 Description Case Ground Case Ground Not Connected RF common (+) Laser RF input (-) RF common (+) Not Coonected 3 2 1 PD TEC TS 200 nH 10 K pigtail 20 LD 8 9 10 11 12 13 14 Ordering information Alcatel 1915 LMI Nominal power 10 mW Part number [1] 3CN 00347 ## ## defines the wavelength and the connector according to table 1. THz 1527,61 1527,99 1528,38 1528,77 1529,16 1529,55 1529,94 1530,33 1530,73 1531,12 1531,51 1531,90 1532,29 1532,68 1533,07 1533,47 1533,86 1534,25 1534,64 1535,04 1535,43 1535,82 1536,22 1536,61 1537,00 1537,40 1537,79 1538,19 1538,58 1538,98 1539,37 1539,77 196,25 196,2 196,15 196,10 196,05 196 195,95 195,90 195,85 195,80 195,75 195,70 195,65 195,60 195,55 195,50 195,45 195,40 195,35 195,30 195,25 195,20 195,15 195,10 195,05 195 194,95 194,90 194,85 194,80 194,75 194,70 FC/PC ferrule BJ BK BL BM BN BP BQ BR BS BT BU BV BW BX BY BZ CA CB CC CD CE CF CG CH CJ CK CL CM CN CP CQ CR FC/PC SC/PC Connector Connector GJ GK GL GM GN GP GQ GR GS GT GU GV GW GX GY GZ HA HB HC HD HE HF HG HH HJ HK HL HM HN HP HQ HR MJ MK ML MM MN MP MQ MR MS MT MU MV MW MX MY MZ NA NB NC ND NE NF NG NH NJ NK NL NM NN NP NQ NR THz 1540,16 1540,56 1540,95 1541,35 1541,75 1542,14 1542,54 1542,94 1543,33 1543,73 1544,13 1544,53 1544,92 1545,32 1545,72 1546,12 1546,52 1546,92 1547,32 1547,72 1548,12 1548,52 1548,92 1549,32 1549,72 1550,12 1550,52 1550,92 1551,32 1551,72 1552,20 1552,52 194,65 194,60 194,55 194,50 194,45 194,40 194,35 194,30 194,25 194,20 194,15 194,10 194,05 194 193,95 193,90 193,85 193,80 193,75 193,70 193,65 193,60 193,55 193,50 193,45 193,40 193,35 193,30 193,25 193,20 193,15 193,10 FC/PC ferrule CS CT CU CV CW CX CY CZ DA DB DC DD DE DF DG DH DJ DK DL DM DN DP DQ DR DS DT DU DV DW DX DY DZ FC/PC SC/PC Connector Connector HS HT HU HV HW HX HY HZ JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JU JV JW JX JY JZ NS NT NU NV NW NX NY NZ PA PB PC PD PE PF PG PH PJ PK PL PM PN PP PQ PR PS PT PU PV PW PX PY PZ THz FC/PC ferrule 1552,93 1553,33 1553,73 1554,13 1554,54 1554,94 1555,34 1555,75 1556,15 1556,56 1556,96 1557,36 1557,77 1558,17 1558,58 1558,98 1559,39 1559,79 1560,20 1560,61 1561,01 1561,42 1561,83 1562,23 1562,64 1563,05 1563,46 1563,86 1564,27 1564,68 1565,09 1565,50 1565,90 1566,31 1566,72 1567,13 193,05 193 192,95 192,90 192,85 192,80 192,75 192,70 192,65 192,60 192,55 192,50 192,45 192,40 192,35 192,30 192,25 192,20 192,15 192,10 192,05 192 191,95 191,90 191,85 191,80 191,75 191,70 191,65 191,60 191,55 191,50 191,45 191,40 191,35 191,30 EA EB EC ED EE EF EG EH EJ EK EL EM EN EP EQ ER ES ET EU EV EW EX EY EZ FA FB FC FD FE FF FG FH FJ FK FL FM FC/PC SC/PC Connector Connector KA KB KC KD KE KF KG KH KJ KK KL KM KN KP KQ KR KS KT KU KV KW KX KY KZ LA LB LC LD LE LF LG LH LJ LK LL LM Table 1, All wavelengths referenced to vaccum @ Tsubmount. Standards ITU-T G.652 optical fiber IEC 68-2 and MIL STD 883 environment LASER RADIATION AVOID EXPOSURE TO BEAM Class 3 B laser product ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES QA QB QC QD QE QF QG QH QJ QK QL QM QN QP QQ QR QS QT QU QV QW QX QY QZ RA RB RC RD RE RF RG RH RJ RK RL RM October 2000 Copyright (c) 2000 Alcatel Optronics Customized versions are available for large quantities. Performance figures contained in this document must be specifically confirmed in writing by Alcatel Optronics before they become applicable to any particular order or contract. Alcatel Optronics reserves the right to make changes to the products or information contained herein without notice. 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