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advance data sheet august 1999 e2530-type stabilized, tunable eml modules the advanced 2.5 gbits/s 1550 nm eml, with its separate gem module, can be remotely programmed to operate at any of four itu-t wavelength channels. features n integrated fabry-perot etalon stabilizer replaces external wavelength lockers n remotely programmable over four or more 50 ghz itu-t channels n electronic control module for short design cycle saves space and ?ber handling vs. external locker n very low dispersion penalty up to 640 km n wavelengths available to itu-t standards covering up to 88 channels at 50 ghz spacing n low modulation voltage n high esd rating applications n sonet/sdh extended-reach applications n very dense wdm ( 50 ghz channel spacing) extra long-haul and metropolitan applications n high-speed data communications n digitized video description the e2530 eml is a 1.5 m m laser with an integrated electroabsorptive modulator and an integrated stabi- lizer. each device can be remotely programmed to operate at least four itu-t wavelength channels. the eml chip and stabilization optics are manufactured in a 20-pin package with external package dimen- sions identical to the industry-standard (14-pin) e2500-series eml. the device is capable of 360 km or 640 km transmission at 2.5 gbits/s in dwdm sys- tems at channel spacings of 50 ghz or less. the electroabsorptive modulator can replace exter- nal modulators in many applications. the nominal input impedance for the modulator is 50 w . by inte- grating the modulator with the laser chip, the device offers a compact, cost-effective solution for extended-reach transmission. devices are provided at wavelengths that are compatible with the itu-t wavelength standards at 200 ghz, 100 ghz, and 50 ghz. the package also contains a thermoelectric cooler, thermistor, back-facet monitor, and optical isolator. generic electronic module (gem) electronic control functionality is contained in a sepa- rate generic electronic module (gem). the gem is generic in the sense that any gem will operate with any optical (eml) module, i.e. no pairing of units is required. it controls the locking and tuning functions in the optical module, and offers to the user analog outputs for wavelength, power, and temperature, as well as a digital input for the channel request.
a d v ance data sheet e2530- t ype stabilized , t unable eml modules a ugust 1999 2 lucent technologies inc. description (continued) generic elect r onic module (continued) the user pr o vides a control circuit f or p o wer as well as a control circuit f or the the r moelect r ic coole r , which uses the analog output f or w a v elength to achi e v e w a v elength lo c king . the analog output f or temperature is pr o vided f or user in f o r mation only and need not f o r m pa r t of a control loo p . the pr o vision of the gem eliminates the need f or compl e x control circuit r y in the system, and can reduce the dura- tion of the design and implementation cycle f or the end user s system . by integrating the stabilization optics inside the eml pa c kag e , the on-board ?ber handling associated with the use of an e xte r nal lo c k er is eliminated, and con- sidera b le board space is typically s a v ed . an out-of-lo c k ala r m and laser-off ala r m are also pr o vided. temperature and wavelength control the analog output f or w a v elength from the gem is inco r porated b y the user into a f eedba c k loo p , which controls the the r moelect r ic coole r . in such a circuit, the selected center-channel w a v elength is achi e v ed when the w a v e - length output reaches a unique target v oltage of 1.2 5 v , irrespecti v e of the channel selected, with a typical sensitiv- ity ( v oltage v s . frequency coef?cient) of 25 mv/ghz . an analog output f or temperature is pr o vided f or monito r ing pu r poses and is not required f or basic d e vice opera- tion. p o wer cont r ol the analog output f or optical output p o wer is inco r porated b y the end user into a f eedba c k loo p , which ena b les con- stant p o wer control . a v oltage l e v el, which is propo r tional to the p o we r , is pr o vided. digital input and alarm functions the de?nitions of the digital input as well as the out-of-lo c k and laser-off ala r ms is to be dete r mined . the digital input f or e v aluation units will be rs232 compati b l e . f eedba c k on the pre f erred de?nitions is i n vited. module characteristics t a ble 1 . module characteristics p arameter description p a c kag e t ype 20-pin b utter?y pa c kage with separate electronic control board. fiber standard single-mode ?be r . connector st ? ; other connectors a v aila b le on request. rf input impedance 50 w. p o wer supply 5 vdc to gene r ic electronic modul e . bit rate 2.5 gbits/ s . channel request digital inter f ace : rs232-compati b le f or e v aluation unit s . t o be dete r mined f or product.
lucent technologies inc. 3 advance data sheet august 1999 e2530-type stabilized, tunable eml modules pin information figure 1. electrical schematic * one thermistor is connected to ground table 2. pin descriptions (eml module) pin function pin function 1 tec anode 11 control function (to gem pin 21) 2 tec cathode 12 control function (to gem pin 20) 3 thermistor (to gem pin 29)* 13 control function (to gem pin 19) 4 control function (to gem pin 28) 14 5 vdc supply (to gem pin 18) 5 laser cw bias (to gem pin 27) 15 dc gnd 6 etalon #1 (to gem pin 26) 16 case gnd 7 etalon #2 (to gem pin 25) 17 rf gnd 8 reference pin diode (to gem pin 24) 18 modulator signal (rf input) 9 control function (to gem pin 23) 19 rf gnd 10 control function (to gem pin 22) 20 control function (to gem pin 16) v ss +5 v gnd l select 1 l select 2 laser off out of lock n/c n/c n/c n/c n/c l out power out temp out n/c gem 15 1 16 30 eml module tecC tec+ 14 13 dc gnd case gnd rf gnd rf input rf gnd 20 1 cw bias 1-1067(f)
advance data sheet e2530-type stabilized, tunable eml modules august 1999 4 lucent technologies inc. pin information (continued) * one thermistor is connected to ground. 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. * resistance and capacitance in parallel. applicable to gem pins 2, 3, and 4. notes: the digital inputs (gem pins 12 and 13) are ttl compatible. the eml module and the gem are esd class 2 capable. table 3. pin descriptions (generic electronic module) pin function pin function 1 no user connect 16 control function (to eml pin 20) 2 laser temperature out (v) 17 laser cw bias (input to gem) 3 laser power out (v) 18 5 vdc supply (to eml pin 14) 4 laser wavelength out (v) 19 control function (to eml pin 13) 5 no user connect 20 control function (to eml pin 12) 6 no user connect 21 control function (to eml pin 11) 7 no user connect 22 control function (to eml pin 10) 8 no user connect 23 control function (to eml pin 9) 9 no user connect 24 reference pin diode (v) (to eml pin 8) 10 out of lock 25 etalon #2 (v) (to eml pin 7) 11 laser off 26 etalon #1 (v) (to eml pin 6) 12 channel select #1 27 laser cw bias (to eml pin 5 and gem pin 17) 13 channel select #2 28 control function (to eml pin 4) 14 gnd 29 thermistor (to eml pin 3)* 15 5 v input to gem 30 no user connect parameter conditions min max unit laser diode reverse voltage cw 2 v laser diode forward current cw 150 ma optical output power cw 10 mw modulator reverse voltage 5 v modulator forward voltage 1 v input voltage (supply to gem) 0.3 6 v loading resistance (gem analog outputs*) 5 k w loading capacitance (gem analog outputs*) 100 pf storage temperature C40 85 c operating temperature 0 70 c
lucent technologies inc. 5 advance data sheet august 1999 e2530-type stabilized, tunable eml modules characteristics table 4. optical and electrical speci?cations (chip operating temp. = 15 c to 35 c, except where noted.) * over 6480 ps/nm of ?ber dispersion (360 km). ? over 11520 ps/nm of ?ber dispersion (640 km). parameter symbol conditions min typ max unit laser : t op (laser submount temperature) = 5 c to 35 c. threshold current (bol) i th t laser chip = t op 5 35 ma forward voltage v f i f = i op @ t op 2v operating current i op t laser chip = t op 50 100 ma threshold power p th t laser chip = t op i f = i th, v m = 0 v 80 m w fiber output power (peak) p pk t laser chip = t op i f = i op, v m = 0 v 1 dbm side-mode suppression ratio smsr i f = i op, v m = 0 v 30 db peak-to-peak chirp (time- resolved spectroscopy) e2535 series (360 km)* trs p-p 2.5 gbits/s v low = C1.5 to C3.0 v v high = C0.3 v i f = i op @ t op 0.25 a peak-to-peak chirp (time- resolved spectroscopy) e2532 series (640 km) ? trs p-p 2.5 gbits/s v low = C1.5 to C3.0 v v high = C0.3 v i f = i op @ t op 0.15 a dispersion penalty dp 2.5 gbits/s 360 km (e2535 series) 640 km (e2532 series) v low = C1.5 to C3.0 v, v high = C0.3 v i f = i op @ t op 2.0 db modulator rf extinction ratio er rf 2. 5 gbits/s (e2580) v m = 0 v to C3.0 v 10 db rf return loss (0 ghz to 2 ghz) s 11 v m = C v p-p /2 i f = i op 10 db rf return loss (2 ghz to 3 ghz) s 11 v m = C v p-p /2 i f = i op 7db rf return loss (3 ghz to 5 ghz) s 11 v m = C v p-p /2 i f = i op 3db C3 db bandwidth v m = C v p-p /2 i f = i op 3.5 ghz modulator current v m = 0. v, i f = 50 ma 15 db rise/fall time t r /t f (20%80%) 125 ps thermistor (for information only. there is no user interface to the thermistor) resistance r t t = 25 c 9.5 10.0 10.5 k w
advance data sheet e2530-type stabilized, tunable eml modules august 1999 6 lucent technologies inc. characteristics (continued) * over 6480 ps/nm of ?ber dispersion (360km). ? over 11520 ps/nm of ?ber dispersion (640km). figure 2. typical eye pattern at 2.5 gbits/s table 4. optical and electrical speci?cations (chip operating temp. = 15 c to 35 c, except where noted.) (continued) parameter symbol conditions min typ max unit thermoelectric cooler tec current i tec t laser chip = 5 c t case = 70 c 1.8 a tec voltage v tec t laser chip = 5 c t case = 70 c 3v tec power p tec t laser chip = 5 c t case = 70 c 5.4 w tec capacity d tt case = 70 c65 c laser module optical isolation t case = 70 c34db stabilization and tuning performance output voltage (analog output for wavelength) v l l = itu center channel 1.25 v voltage: frequency coef?- cient (analog output for wavelength) dv/df at maximum slope (near l itu) (see figure 5.) 25 mv/ghz wavelength stability (over life) v l = 1.25 0.02 v C20 0 20 pm stabilization time channel switch 15 60 s 184.5 mv 20 mv/div C15.5 mv 91.65 ns 100 ps/div 92.65 ns i = 50 v = C1.04 + 2.06 pp p = C0.5 dbm 1-1069(f)
lucent technologies inc. 7 advance data sheet august 1999 e2530-type stabilized, tunable eml modules characteristics (continued) figure 3. ber vs. optical power (typical) . 10 C5 10 C6 10 C7 10 C8 10 C9 10 C10 10 C11 10 C12 test conditions: t = 25 c i bias (laser) = 80 ma v bias (mod) = C1.0 vdc v pp (mod) = C1.0 vdc p out = 1.9 dbm (pulsed) ext. ratio (rf) = 11.4 db ber C38 C37 C36 C35 C34 C33 C32 C31 C30 C29 C28 optical power (dbm) 107 km 202 km 122 km 0 km 640 km 337 km 1-1071(f)
advance data sheet e2530-type stabilized, tunable eml modules august 1999 8 lucent technologies inc. characteristics (continued) figure 4. typical channel stabilization and stabilization performance figure 4 shows the typical stability performance of the e2530 product, and demonstrates a channel-to-channel switch. at time = 0, the device is operating at a given itu-t wavelength. operation within the ( 20 pm) speci?cation for wavelength stability is shown. at time = 20 s, a ramp in the operating (cw dfb) current in the eml is affected. the purpose of the current ramp is to initiate a change in the eml chip temperature, which would normally (without stabilization) affect a change in the wavelength. a device without wavelength stabilization would be expected to experience a signi?cant increase in wavelength (as shown), which would result in a violation of the speci?cation for wavelength stability. however, with the integrated locker in use, the wavelength stays within the stated speci?cation, without any visible perturbation in its magnitude. at time = 50 s, a channel switch is initiated via the digital input for the channel request. the wavelength increases to the adjacent channel, and stabilizes well within the speci?ed (60 s) time period. a further current ramp demon- strates stable operation in the new channel. wavelength stability specification initiate channel switch expected wavelength shift due to current ramp without stabilizer operating current maximum stabilization time (60 s) wavelength shift (pm) 600 400 200 0 20 40 60 80 100 120 0 time (s) 80 100 current (ma) 1-1070.(f)1
lucent technologies inc. 9 advance data sheet august 1999 e2530-type stabilized, tunable eml modules characteristics (continued) figure 5. typical voltage vs. frequency (wavelength), gem analog output for wavelength voltage (v) 2.50 1.25 0.00 frequency (ghz) itu center channel (f itu ) itu center channel ( l itu ) l itu C400 l itu +400 f itu C50 f itu +50 wavelength (pm) [reverse scale] 1-1069.(f)
advance data sheet e2530-type stabilized, tunable eml modules august 1999 10 lucent technologies inc. outline diagram dimensions are in inches and (millimeters) 0.200 (5.08) 0.10 0.002 (0.25 0.054) 0.035 (0.91) 0.078 (1.98) 0.213 (5.40) typ. 0.350 (8.89) 0.500 (12.70) 0.606 (15.37) max. 0.500 (12.70) min. 1.025 (26.04) 0.020 (0.51) 0.100 (2.54) typ. typ. 0.050 (1.27) typ. ~ pin 1 trademark, code, laser serial number, and date code in approx. area shown strain relief pin 20 0.105 (2.67) dia. typ. (4) places 32.000 (812.00) min. 0.100 (2.50) 0.250 (6.60) 0.215 (5.47) ref. 0.030 (0.75) 0.700 (17.78) 0.578 (14.67) 0.820 (20.83) 0.863 (21.91) 2.030 (51.60) 0.180 (4.56) 0.365 (9.27) max. 0.056 (1.42) 0.215 (5.45) 1.164 (29.57) heat sink 15 1 16 30 0.10 (2.54) 0.15 (3.81) 2.30 (58.40) 0.80 (20.30) 1.00 (25.40) 1-1065(f) 1-1066(f)
lucent technologies inc. 11 advance data sheet august 1999 e2530-type stabilized, tunable eml modules laser safety information class iiib laser product this product complies with 21 cfr 1040.10 and 1040.11. single-mode connector wavelength = 1.5 m m maximum power = 10 mw because of size constraints, laser safety 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. 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 @ 1.5 m m class iiib laser product complies with 21 cfr 1040.10 and 1040.11
advance data sheet e2530-type stabilized, tunable eml modules august 1999 12 lucent technologies inc. ordering information related product information table 5. ordering information parameter device description itu-t wavelength (nm) frequency (thz) e2535hxxx04 series, 360 km e2532hxxx04 series, 640 km code comcode code comcode 1530.33 to 1529.16 195.90 to 196.05 e2535h95904 tbd e2532h95904 tbd 1531.90 to 1530.72 195.70 to 195.85 e2535h95704 tbd e2532h95704 tbd 1533.47 to 1532.29 195.50 to 195.65 e2535h95504 tbd e2532h95504 tbd 1535.04 to 1533.86 195.30 to 195.45 e2535h95304 tbd e2532h95304 tbd 1536.61 to 1535.43 195.10 to 195.25 e2535h95104 tbd e2532h95104 tbd 1538.19 to 1537.00 194.90 to 195.05 e2535h94904 tbd e2532h94904 tbd 1539.77 to 1538.58 194.70 to 194.85 e2535h94704 tbd e2532h94704 tbd 1541.35 to 1540.16 194.50 to 194.65 e2535h94504 tbd E2532H94504 tbd 1542.94 to 1541.75 194.30 to 194.45 e2535h94304 tbd e2532h94304 tbd 1544.53 to 1543.33 194.10 to 194.25 e2535h94104 tbd e2532h94104 tbd 1546.12 to 1554.92 193.90 to 194.05 e2535h93904 tbd e2532h93904 tbd 1547.72 to 1546.52 193.70 to 193.85 e2535h93704 tbd e2532h93704 tbd 1549.32 to 1548.11 193.50 to 193.65 e2535h93504 tbd e2532h93504 tbd 1550.92 to 1549.72 193.30 to 193.45 e2535h93304 tbd e2532h93304 tbd 1552.52 to 1551.32 193.10 to 193.25 e2535h93104 tbd e2532h93104 tbd 1554.13 to 1552.93 192.90 to 193.05 e2535h92904 tbd e2532h92904 tbd 1555.75 to 1554.54 192.70 to 192.85 e2535h92704 tbd e2532h92704 tbd 1557.36 to 1556.15 192.50 to 192.65 e2535h92504 tbd e2532h92504 tbd 1558.98 to 1557.77 192.30 to 192.45 e2535h92304 tbd e2532h92304 tbd 1560.61 to 1559.39 192.10 to 192.25 e2535h92104 tbd e2532h92104 tbd 1562.23 to 1561.01 191.90 to 192.05 e2535h91904 tbd e2532h91904 tbd 1563.86 to 1562.64 191.70 to 191.85 e2535h91704 tbd e2532h91704 tbd table 6. related product information description part number document number erbium-doped fiber ampli?er 1724-type ds99-259lwp 2.5 gbits/s receiver 1319-type ds97-106lwp 2.5 gbits/s receiver with clock recovery 1320-type ds97-113lwp 2.5 gbits/s eml e2500-type ds98-368lwp 10 gbits/s eml e2560/e2580 ds99-305lwp
lucent technologies inc. 13 advance data sheet august 1999 e2530-type stabilized, tunable eml modules notes
advance data sheet e2530-type stabilized, tunable eml modules august 1999 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 18103 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. 316 , 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. 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. st is a registered trademark of lucent technologies inc. copyright ? 1999 lucent technologies inc. all rights reserved august 1999 ds99-348lwp printed on recycled paper

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