data sheet february 2001 a1612a/b 1310 nm forward-path dfb laser modules features n oc-48 pinout compatible n negative bias n 112 channel loading n meets telcordia technologies * 468 specifications n high output power, up to 31 mw applications n 1310 nm forward path: long distances high-count optical splits n broadcast and narrowcast networks * telcordia technologies is a trademark of telcordia technologies, inc . description the a1612a/b 1310 nm forward-path dfb laser modules are designed for both broadcast and nar- rowcast analog applications. the highly linear, oc-48 pinout-compatible devices feature up to 31 mw output power with superior distortion perfor- mance over an enhanced operating temperature range of C40 c to + 85 c. with 31 mw of output power, the a1612a/b module enables transmission beyond 40 km, and a greater number of optical splits. in addition, the wide operat- ing temperature range increases the lasers reliability even in the harshest environments.
2 lucent technologies inc. data sheet a1612a/b 1310 nm forward-path dfb laser modules february 2001 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 operational sections of the data sheet. exposure to absolute maximum ratings for extended periods can adversely affect device reliability. electrical/optical characteristics * omi = 3.2% min, 112 unmodulated ntsc channels. parameter symbol condition min max unit operating case temperature range t c i f = i op C40 85 c storage temperature range tstg C40 85 c laser forward dc current 150 ma reverse dc voltage (laser) v r 2v reverse voltage photodiode v rpd 10v tec current i tec C40 c < t c < 85 c, t op = 25 c, i f = 100 ma 1.9a table 1. electrical and optical characteristics parameter symbol condition min typ max unit wavelength l op i f = i op , t = t op 1310 10 nm optical output power p o i f = i op 4 31 mw optical isolation iso t op = 25 c 30 db side mode suppression ratio smsr i f = i op 30 db threshold current i th 25 c, bol 30 ma operating current i op bol 120 ma monitor pd current i pd v rm = 5 v, t op = 25 c 10 200 m a/mw thermistor resistance r th t op = 25 c 10 0.5 @ 25 c k w thermistor temperature coefficient tc th t op = 25 c C4.4 @ 25 c %/c tec current i tec C40 c < t c < 85 c, t op = 25 c, i f = 100 ma 1.6a table 2. rf characteristics parameter symbol condition min typ max unit frequency range f 40 860 mhz frequency response |s21| i f = 60 ma, 40 mhz860 mhz, t op = 25 c 0.5 db carrier-to-noise ratio* cnr 51 db composite second order: 1612a 1612b cso 57 60 db db composite triple beat ctb 67 db relative intensity noise rin < C155 db/hz
3 lucent technologies inc. data sheet february 2001 a1612a/b 1310 nm forward-path dfb laser modules electrical schematics figure 1. a1612a/b laser schematic figure 2. a1611a/b circuit schematic 1 2 3 4 5 6 7 14 13 12 11 10 9 8 case ground nc (+) (C) (+) (C) tec (C) (+) case ground nc isolator (+) 1-1233f 1-1234(f) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 thermistor tec (C) mpc cathode nc thermistor dc laser bias mpd anode case ground tec (+) case ground case ground mpc cathode nc laser common (+) laser modulation (C) laser common (+) 39 nh 200 w 0.01 m f 3.3 m h 1000 pf 1000 pf 0.01 m f 0.01 m f see see 3a and 3b figures figure 4
4 4 lucent technologies inc. data sheet a1612a/b 1310 nm forward-path dfb laser modules february 2001 electrical schematics (continued) figure 3a. impedance-matched configuration figure 3b. resistive-matched configuration c7 1 pf 0.01 m f 0.01 m f vswr t1* 3:5 2 3 0.5 pf2.5 pf see pin 12, figure 2 0.01 m f frequency response *t1 (75 w ) 3:5 . 5 pf 1-1238f.a see pin 12, figure 2 37.5 w r1 37.5 w r2 1-1238f.b note: when ordering the dc set, the following boards are included: alarm board, 9108-004; tec board, 9028-004; constant current , 9383-004. figure 4. dc set (lucent supplied) constant alarm tec j1 1 thermistor 2 thermistor 3 dc laser bias 4 mpd anode (case ground) 5 mpc cathode 6 tec (+) 7 tec (C) 8 gnd 9 gnd 10 gnd 1 2 3 4 5 6 7 thermistor tec (C) mpc cathode thermistor dc laser bias mpd anode case ground tec (+) mpc cathode 39 nh 200 w 0.01 m f 3.3 m h 1000 pf 1000 pf 0.01 m f 0.01 m f 1-1238f.c
5 lucent technologies inc. data sheet february 2001 a1612a/b 1310 nm forward-path dfb laser modules outline diagram dimensions are in inches and (millimeters). pin information table 3. pin descriptions pin no. description 1thermistor 2thermistor 3 dc laser bias (C) 4 mpd anode, case ground 5 mpd cathode 6 thermoelectric cooler (+) 7 thermoelectric cooler (C) 8 case ground 9 case ground 10 nc 11 laser common (+) 12 laser modulation (C) 13 laser common (+) 14 nc location for label including serial number and date code (label not shown) 0.049 (1.2) 4 x ? 0.105 (2.7) 0.213 (5.4) pin 1 leads 0.030 (0.8) wide x 0.008 (0.2) thick 0.400 (10.2) minimum length 6 spcs @ 0.100 (2.5) 0.250 (6.4) 0.190 0.03 (5.0 0.8) 0.078 (2.0) 0.215 0.01 (5.5 0.25) 0.248 (6.3) 0.040 (1.0) 0.350 (8.9) 0.500 (12.7) 0.820 (20.8) 1.025 (26.0) 1.180 (30.0) 0.365 (9.3) 0.700 0.03 (18.0 0.8) (f) 1-1179.(f)
6 lucent technologies inc. data sheet a1612a/b 1310 nm forward-path dfb laser modules february 2001 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- fied with the fda under an accession number to be determined. this product complies with 21 cfr 1040.10 and 1040.11. single-mode fiber pigtail wavelength = 1.3 m m maximum power = 50 mw because of size constraints, laser safety labeling (including an fda class iiib label) 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. * 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: 50 mw wavelength: 1.3 m m
7 lucent technologies inc. data sheet february 2001 a1612a/b 1310 nm forward-path dfb laser modules ordering information * for additional ordering information, please contact a lucent account manager at microelectronics group, optoelectronics divi- sion, opto west, 1-800-362-3891 (for sales staff, please press option 2). order code definitions table 4. ordering information * device code comcode a1612acb16 108851999 A1612ACB19 108852005 a1612acb22 108852013 a1612acb25 108854720 a1612acb28 108854738 a1612acb31 108854746 a1612acb34 108855263 a1612acr16 108855271 a1612acr19 108855289 a1612acr22 108855297 a1612acr25 108855305 a1612acr28 108855313 a1612acr31 108855321 a1612acr34 108855339 field description family name analog 1310 nm, dfb, distortion performance a = standard performance p = pal 60 tested frequency plan c = 110 channel 22 = 22 mw 25 = 25 mw 28 = 28 mw 31 = 31 mw custom 00 a1612 a b r 04 yy b = enhanced performance l = link tested a = 60 channel b = 80 channel 16 = 16 mw 19 = 19 mw 01 02 03 04 05 06 connector r = fc/apc b = sc/apc n = none (no connector) optical power n = none (wireless) high power, laser 04 = 4 mw 06 = 6 mw 08 = 8 mw 10 = 10 mw 13 = 13 mw
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, singap ore 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) 7000 582 368 , 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. n o 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. copyright ? 2001 lucent technologies inc. all rights reserved february 2001 ds00-292opto-1 (replaces ds00-290opto) data sheet a1612a/b 1310 nm forward-path dfb laser modules february 2001
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