data sheet october 2000 D370-type digital uncooled fastlight ? laser module the low-pro?le D370-type laser module is ideally suited for short- and long-reach sonet and other high-speed digital applications. features n eight-pin package suitable for sonet/sdh appli- cations n mqw f-p 1.3 m m laser with single-mode ?ber pig- tail n wide operating temperature range: C40 c to +85 c n no tec required * telcordia technologies is a registered trademark of bell commu nications research, inc. lucent D370-20a s/n-l651036 n high output power: typically 1.0 mw peak power coupled into single-mode ?ber; 0.2 mw and 2.0 mw versions available n hermetically sealed active components n internal back-facet monitor n quali?cation program: telcordia technologies * ta- 983 applications n long-reach sonet oc-3/oc-12 systems n sdh stm-1/stm-4 systems n telecommunications n secure digital data systems bene?ts n easily board mounted n requires no lead bending n no additional heat sinks required n pin compatible with industry-standard, 14-pin laser module description the D370-type uncooled laser module consists of a laser diode coupled to a single-mode ?ber pigtail. the device is available in a standard, 8-pin con?gu- ration (see figure 1 and/or table 1) and is ideal for long-haul (sonet) and other digital applications. the module includes a multiquantum-well fabry- perot (mqw f-p) laser and an ingaas pin photo- diode back-facet monitor in an epoxy-free, hermeti- cally sealed package.
data sheet D370-type digital uncooled fastlight laser module october 2000 2 2 lucent technologies inc. description (continued) the device characteristics listed in this document are met at 1.0 mw output power. higher- or lower-power operation is possible. under conditions of a ?xed pho- todiode current, the change in optical output is typically 0.5 db over an operating temperature range of C40 c to +85 c. this device incorporates the new laser 2000 manufac- turing process from the optoelectronic products unit of lucent technologies microelectronics group. laser 2000 is a low-cost platform that targets high-volume manufacturing and tight product distributions on all optical subassemblies. this platform incorporates an advanced optical design that is produced on lucents highly automated production lines. the laser 2000 plat- form is quali?ed for the central of?ce and uncontrolled environments, and can be used for applications requir- ing high performance and low cost. table 1. pin descriptions pin number connection 1 nc/reserved 2 case ground 3 nc/reserved 4 photodiode cathode 5 photodiode anode 6 laser diode cathode 7 laser diode anode 8 nc/reserved figure 1. D370-type digital uncooled 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 abso- lute 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. * rating varies with temperature. parameter symbol min max unit maximum peak laser drive current or maximum fiber power * i op p max 150 10 ma mw peak reverse laser voltage: laser monitor v rl v rd 2 20 v v monitor forward current i fd 2ma operating case temperature range t c C40 85 c storage case temperature range t stg C40 85 c lead soldering temperature/time 260/10 c/s relative humidity (noncondensing) rh 85 % 1-900 56 8 7 43 1 2
data sheet october 2000 D370-type digital uncooled fastlight laser module 3 lucent technologies inc. handling precautions caution: this device is susceptible to damage as a result of electrostatic discharge (esd). take proper pre- cautions during both handling and testing. follow guidelines such as jedec publication no. 108- a (dec. 1988). although protection circuitry is designed into the device, take proper precautions to avoid exposure to esd. electro/optical characteristics * higher and lower powers available. see table 4 for more information. ? the slope ef?ciency 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. ?v r = reverse voltage. table 2. electro/optical characteristics (over operating temperature range unless otherwise noted) parameter symbol test conditions min typ max unit operating temperature range t C40 85 c optical output power* p f cw, nominal 1 mw threshold current i th t = 25 c t = full range 4.5 1 9 15 45 ma ma modulation current i mod cw, p f = 1.0 mw, t = 25 c cw, i mon = constant, t = full range 10 8 15 20 35 ma ma slope ef?ciency ? se cw, p f = 1.0 mw, t = 25 c 50 75 100 m w/ma center wavelength l c p f = 1.0 mw, cw 1270 1350 nm rms spectral width dl p f = 1.0 mw, 155 mbits/s 2 3 nm tracking error te i mon = constant, cw 0.5 1db spontaneous emission p th i = i th x 0.9 50 m w rise/fall times t r , t f 10%90% pulse, t = 25 c 0.25 0.5 ns forward voltage v f cw 1.1 1.6 v input impedance r 3 8 w monitor current i mon v r ? = 5 v 150 750 m a monitor dark current i d v r ? = 5 v 10 200 na wavelength temperature coef?cient 0.4 0.5 nm/ c
data sheet D370-type digital uncooled fastlight laser module october 2000 4 lucent technologies inc. characteristic curve figure 2. typical D370-type laser module l/i curve 0 25 50 150 0 1.0 3.0 temp = 25 o c 75 100 125 2.0 voltage (mv) current (?) 0 500 1000 1500 2000 2500 laser current (ma) forward laser voltage laser power (mw) monitor diode current l/i curve 1-884
data sheet october 2000 D370-type digital uncooled fastlight laser module 5 lucent technologies inc. outline diagram dimensions are in inches and (millimeters). 0.010 (0.254) 0.30 ( 7.62 ) 0.29 (7.37) 0.085 (2.16) 0.17 (4.32) 0.20 (5.00) 0.165 (4.20) 0.016 (0.410) 0.100 (2.54) 0.300 (7.62) 0.110 (2.79) 0.045 (1.143) 4 3 21 5 6 78 39.37 (1000) min pigtail length 0.52 (13.2) 1.06 (27.0) min trademark, code, laser serial number, and/or date code in approximate area shown 1-899.f
data sheet D370-type digital uncooled fastlight laser module october 2000 6 lucent technologies inc. quali?cation information the D370-type laser module has passed the following quali?cation tests and meets the intent of telcordia technol- ogies tr-nwt-000468 for interof?ce environments and ta-tsy-000983 for outside plant environments. table 3. D370-type laser module quali?cation test plan quali?cation test conditions sample size reference mechanical shock 500 g 11 mil-std-883 method 2002 vibration 20 g, 20 hz2,000 hz 11 mil-std-883 method 2007 solderability 11 mil-std-883 method 2007 thermal shock delta t = 100 c 11 mil-std-883 method 2003 fiber pull 1 kg; 3 times 11 telcordia technologies 983 accelerated (biased) aging 85 c, 5,000 hrs. 25 telcordia technologies 983, section 5.18 high-temperature storage 85 c, 2,000 hrs. 11 telcordia technologies 983 temperature cycling 500 cycles 11 telcordia technologies 983, section 5.20 cyclic moisture resistance 10 cycles 11 telcordia technologies 983, section 5.23 damp heat 40 c, 95% rh, 1344 hrs. 11 mil-std-202 method 103 internal moisture <5,000 ppm water vapor 11 mil-std-883 method 1018 flammability tr357 section 4.4.2.5 esd threshold 6 telcordia technologies 983, section 5.22
data sheet october 2000 D370-type digital uncooled fastlight laser module 7 lucent technologies inc. 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 classi- ?ed with the fda under accession number 8720010. this product complies with 21 cfr 1040.10 and 1040.11. 8.3 m m single-mode pigtail with optional connector wavelength = 1.3 m m maximum power = 10 mw because of size constraints, labeling is not af?xed 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 speci?ed herein may result in hazardous laser radiation exposure. * iec is a registered trademark of the international electrotechnical commission. 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 m
data sheet D370-type digital uncooled fastlight laser module october 2000 for additional information, contact your microelectronics group account manager or the following: internet: http://www.lucent.com/micro , or for optoelectronics information, http://www.lucent.com/micro/opto e-mail: docmaster@micro.lucent.com n. america: microelectronics group, lucent technologies 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: microelectronics group, lucent technologies singapore pte. ltd., 77 science park drive, #03-18 cintech iii, singapore 118256 tel. (65) 778 8833 , fax (65) 777 7495 china: microelectronics group, lucent technologies (china) co., ltd., a-f2, 23/f, zao fong universe building, 1800 zhong shan xi road, shanghai 200233 p. r. china tel. (86) 21 6440 0468 , ext. 325 , fax (86) 21 6440 0652 japan: microelectronics group, lucent technologies 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: microelectronics group dataline: tel. (44) 1189 324 299 , fax (44) 1189 328 148 technical inquiries: optoelectronics marketing: (44) 1344 865 900 (ascot uk) lucent technologies 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. no rights under any patent accompany the sale of any such product(s) or information. fastlight is a trademark of lucent technologies inc. copyright ? 2000 lucent technologies inc. all rights reserved printed in u.s.a. october 2000 ds99-033lwp-1 (replaces ds99-033lwp) ordering information table 4. ordering information device code comcode p?ber connector D370-02a 107950859 0.2 mw sc-pc D370-10a 107950867 1.0 mw sc-pc D370-20a 107950875 2.0 mw sc-pc D370-10b 108096322 1.0 mw sc-apc D370-02f 107950883 0.2 mw fc-pc D370-10f 107950891 1.0 mw fc-pc D370-20f 107950909 2.0 mw fc-pc D370-02n 107950917 0.2 mw none D370-10n 107950925 1.0 mw none D370-20n 107950933 2.0 mw none
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