data sheet january 1999 D371-type digital uncooled dfb fastlight laser module the low-pro?e D371-type laser module is ideally suited for short- and long-haul sonet and other high-speed digital applications. features n eight-pin package suitable for sonet applications n narrow linewidth, distributed-feedback, multiquan- tum-well (dfb-mqw)1.3 m m laser with single- mode ?er pigtail n wide operating temperature range: ?0 c to +85 c n no tec required n high output power: typical 2.0 mw peak power coupled into single-mode ?er n hermetically sealed active components n internal back-facet monitor n quali?ation program: bellcore ta-983 applications n long-reach sonet oc-3/oc-12 systems n telecommunications n secure digital data systems bene?s 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 n highly ef?ient dfb-mqw laser structure allows for lower threshold and drive currents, and reduced power consumption description the D371-type uncooled laser module consists of a laser diode coupled to a single-mode ?er pigtail. the device is available in a standard, 8-pin con?- uration (see figure 1 and/or table 1) and is ideal for long-reach (sonet) and other high-speed digital applications. the laser diode is a narrow linewidth (<1 nm) dfb- mqw single-mode laser and an ingaas pin photo- diode back-facet monitor in an epoxy-free, hermeti- cally sealed package.
data sheet D371-type digital uncooled dfb fastlight laser module january 1999 2 2 lucent technologies inc. description (continued) the device characteristics listed in this document are met at 2.0 mw output power. higher- or lower-power operation is possible. under conditions of a ?ed pho- todiode current, the change in optical output is typically 0.5 db over an operating temperature range of ?0 c to +85 c. this device incorporates the new laser 2000 manufac- turing process developed by the optoelectronic unit of lucent technologies microelectronics group. laser 2000 is a low-cost platform that targets high-volume manufacturing and tighter product distributions on all optical subassemblies. the platform incorporates an advanced optical design that is produced on a highly automated production line. the laser 2000 platform is quali?d for the central of?e and uncontrolled environ- ments, and can be used for applications requiring high performance and low cost. table 1. pin descriptions figure 1. D371-type digital uncooled dfb 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 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 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 1-900 (c) 56 8 7 43 1 2 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 ?ma operating case temperature range t c ?0 85 c storage case temperature range t stg ?0 85 c lead soldering temperature/time 260/10 c/s relative humidity (noncondensing) rh 85 %
data sheet january 1999 D371-type digital uncooled dfb 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 * 1 mw power option also available. see table 4 for more information. ? the slope ef?iency 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. ? 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 ?0 85 c optical output power* p f cw, nominal 2 mw threshold current i th t = 25 c t = full range 4 2 11 15 50 ma ma modulation current i mod cw, p f = 2.0 mw, t = 25 c cw, i mon = const. t = full range 10 7.5 20 30 55 ma slope ef?iency ? se cw, p f = 2.0 mw, t = 25 c 67 200 m w/ma center wavelength l c p f = 2.0 mw, cw 1280 1335 nm spectral width (?0 db) dl p f = 2.0 mw, 622 mbits/s 1 nm side-mode suppression ratio smsr cw, p f = 2.0 mw 30 40 db tracking error te i mon = constant, cw 0.5 db spontaneous emission p th i = (0.9) i th 50 m w rise/fall times t r , t f 10%?0% 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 50 1000 m a monitor dark current i d v r = 5 v 10 200 na wavelength tempera- ture coef?ient 0.09 0.1 nm/ c
data sheet D371-type digital uncooled dfb fastlight laser module january 1999 4 lucent technologies inc. outline diagram dimensions are in inches and (millimeters). 1 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 (c).f
data sheet january 1999 D371-type digital uncooled dfb fastlight laser module 5 lucent technologies inc. quali?ation information the D371-type laser module has completed and passed the following quali?ation tests and meets the intent of bellcore tr-nwt-000468 for interof?e environments and ta-tsy-000983 for outside plant environments. table 3. D371-type laser module quali?ation test plan quali?ation test conditions sample size reference mechanical shock 500 g for p/f 1,500 g for information 11 mil-std-883 method 2002 vibration 20 g, 20 hz?,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 for p/f 2 kg; 3 times for information 11 bellcore 983 accelerated (biased) aging 85 c, 5,000 hrs. 25 bellcore 983 section 5.18 85 c storage 1,000 hrs. for provisional qual. 2,000 hrs. for p/f 5,000 hrs. for information 11 bellcore 983 temperature cycling 500 cycles for p/f 1,000 cycles for information 11 bellcore 983 section 5.20 cyclic moisture resistance 10 cycles for p/f 20 cycles for information 11 bellcore 983 section 5.23 damp heat 40 c, 95% rh 1,000 hrs. for provisional qual. 1,344 hrs. for p/f 11 mil-std-202 method 103 internal moisture <5,000 ppm water vapor 11 mil-std-883 method 1018 flammability tr357 sec. 4.4.2.5 esd threshold 6 bellcore 983 section 5.22
data sheet D371-type digital uncooled dfb fastlight laser module january 1999 6 lucent technologies inc. laser safety information class iiib laser product this product complies with 21 cfr 1040.10 and 1040.11. 8.3 m m single-mode pigtail or connector wavelength = 1.3 m m maximum power = 10 mw because of size constraints, laser safety labeling is not af?ed 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?d herein may result in hazardous laser radiation exposure. danger invisible radiation is emitted from the end of the fiber or connector. avoid direct exposure to the beam. do not view with optical instruments. danger invisible laser radiation avoid direct exposure to beam. indium gallium arsenide phosphide laser 10 mw maximum output @ 1.3 m m class iiib laser product complies with 21 cfr 1040.10 and 1040.11
data sheet january 1999 D371-type digital uncooled dfb fastlight laser module 7 lucent technologies inc. ordering information table 4. ordering information device code comcode operating case temperature range ( c) p?er connector D371-10a 107950941 ?0 to +85 1.0 mw sc-pc D371-20a 107950958 ?0 to +85 2.0 mw sc-pc D371-22a 108286527 0 to 65 2.0 mw sc-pc D371-20b 108225376 ?0 to +85 2.0 mw sc-apc D371-10f 107950982 ?0 to +85 1.0 mw fc-pc D371-20f 107950990 ?0 to +85 2.0 mw fc-pc D371-22f 108286535 0 to 65 2.0 mw fc-pc D371-10n 107951006 ?0 to +85 1.0 mw none D371-20n 107951014 ?0 to +85 2.0 mw none D371-22n 108288382 0 to 65 2.0 mw none
data sheet D371- t ype digital uncooled dfb fastlight laser modul e january 1999 for additional information, contact your microelectronics group account manager or the following: interne t : http://ww w .lucent.com/mic r o , or f or optoelectronics in f o r mation, http://ww w .lucent.com/mic r o/opto e-mail: docmaster@mic r o.lucent.com n . america: microelectronics grou p , lucen t t echnologies inc., 555 union boul e v ard, room 30l-15p-ba, allent o wn, p a 18103 1-800-372-2447 , f ax 610-712-4106 (in cana d a : 1-800-553-2448 , f ax 610-712-4106) asia p a cific : microelectronics grou p , lucen t t echnologies singapore pt e . ltd., 77 science p a r k d r i v e , #03-18 cintech iii, singapore 118256 t el . (65) 778 8833 , f ax (65) 777 7495 china: microelectronics grou p , lucen t t echnologies (china) c o ., ltd., a-f2, 23/ f , zao f ong uni v erse building, 1800 zhong shan xi road, shanghai 200233 p . r . china t el . (86) 21 6440 0468 , e xt . 316 , f ax (86) 21 6440 0652 j a p an: microelectronics grou p , lucen t t echnologies j apan ltd., 7-18, higashi-gotanda 2-chom e , shinag a w a-ku , t ok y o 141, j apan t el . (81) 3 5421 1600 , f ax (81) 3 5421 1700 eu r ope: data requests : mic r oelect r onics g r oup d at aline : t el . (44) 1189 324 299 , f ax (44) 1189 328 148 t echnical inqui r ies : op t oelect r onics marketing : (44) 1344 865 900 (ascot uk) lucen t t echnologies inc . rese r v es the r ight to ma k e changes to the product(s) or in f o r mation contained herein without notic e . no liability is assumed as a result of their use or application . no r ights under a n y patent accompa n y the sale of a n y such product(s) or in f o r mation . fastlight is a trademark of lucent technologies inc. co p y r ight ?1999 lucen t t echnologies inc. all rights rese r v ed j anua r y 1999 ds99-022 l wp (replaces ds98-283 l wp)
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