advance data sheet february 2000 c488-type 2.5 gbits/s tunable, stabilized, long-haul laser transmitters offering multiple output power options and sonet/sdh com- patibility, the c488-type tunable laser transmitters support four wavelengths and can be remotely programmed. features n data rates to 2.5 gbits/s n long-haul transmission to 640 km n sonet and itu-t compliant at oc-48 and stm-16 n integrated fabry-perot etalon stabilizer replaces external wavelength lockers n wavelength range, 1528.77 nm1563.86 nm n optical output power adjustment ( 0.5 db) n extinction ratio 3 11 db n wavelength remotely programmable over four 50 ghz itu-t channels n asynchronous serial interface for transmitter com- munication n dither signal input n clocked or nonclocked operation with single-ended or differential inputs n 50 w ac-coupled pecl compatible data and clock inputs n low-pro?le, 24-pin package n laser bias monitor alarm n laser back-facet monitor output n transmitter-enable input applications n sonet/sdh extended-reach n extra long-haul, very dense, wave-division multi- plexing (dwdm) n high-speed data communication n digitized video description the c488-type 2.5 gbits/s laser transmitters are designed for use in transmission systems and high- speed data communication applications. the trans- mitter operates at the sonet oc-48 rate as well as the itu-t sdh rate of stm-16. the device supports four wavelengths and uses an rs-232 interface to control various transmitter functions, including aver- age optical power, wavelength, and ?ne-power. in addition, the interface allows access to the alarm and monitoring outputs as well as the units serial num- ber. the transmitters meet all present telcordia technolo- gies * gr-253-core requirements and the itu-t g.957 and g.958 recommendations. they are also ideally suited for extended-distance data and net- working applications. the c488 transmitter features a 1.5 m m laser with an electroabsorptive modulator and an integrated stabi- lizer. the device is capable of 360 km or 640 km transmission at 2.5 gbits/s in dwdm systems at a channel spacing of 50 ghz or less. by integrating the modulator with the laser chip, the device offers a compact, cost-effective solution for extended-reach transmissions. * telcordia technologies is a trademark of bell communications research, inc.
c488-type 2.5 gbits/s advance data sheet tunable, stabilized, long-haul laser transmitters february 2000 2 2 lucent technologies inc. description (continued) the versatile c488-type transmitters are available at wavelengths compatible with the itu-t wavelength standards at 200 ghz, 100 ghz, and 50 ghz. the package also contains a thermoelectric cooler (tec), thermistor, back-facet monitor, and optical isolator. the laser transmitter requires 5 v and C5.2 v power sup- plies; the tec operates on 3.3 v. the clock can be enabled for those applications where jitter is critical. pin information is listed in table 1. transmitter processing the transmitter can withstand normal wave soldering processes. the complete transmitter module is not her- metically sealed; therefore, it should not be immersed in or sprayed with any cleaning solution or solvents. the process cap and ?ber pigtail jacket can deform at temperatures greater than 85 c. the transmitter pins can be wave-soldered at a maximum temperature of 250 c for 10 seconds. installation considerations although the transmitter has been designed with rug- gedness in mind, care should be used during handling. the optical connector should be kept free from dust, and the process cap should be kept in place as a dust cover when the device is not connected to a cable. if contamination is present on the optical connector, the use of canned air with an extension tube should remove any debris. other cleaning procedures are identi?ed in the cleaning fiber-optic assemblies tech- nical note (tn95-010lwp). connector options the standard ?ber-optic pigtail is an 8 m m core single- mode ?ber in a 0.036 in. (914 m m) diameter, tight-buff- ered outer jacket. the standard length is 39 in. 4 in. (1 m 10 cm) and is terminated with an optical connec- tor. table 1. pin descriptions * laser back-facet and bias alarm functions are customer-use options that are not required for normal operations of the transmit- ter and are normally used during manufacture and for diagnostics. the output will optionally be either a logic signal or an analog volt- age. all alarm, select, and enable signals are active-high. pin number name 1 ground (tec) 2 back-facet monitor * 3 bias monitor/laser degrade alarm* 4 tx enable 5 clock select 6 ground 7 wavelength-deviation error alarm 8 rs-232 interface (tx) 9 rs-232 interface (rx) 10 dither input 11 ground 12 v ee 13 v cc 14 v tec (tec supply voltage) 15 ground 1 6 data 17 ground 18 d a t a 19 ground 20 clock 21 ground 22 clock 23 ground 24 v cc
advance data sheet c488-type 2.5 gbits/s february 2000 tunable, stabilized, long-haul laser transmitters 3 lucent technologies inc. 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. characteristics (min. and max. values speci?ed over operating case temperature range at 50% duty cycle data signal. typical values are measured at room temperature unless otherwise noted.) 1. inputs are ac-coupled internally into an equivalent input impedance of 50 w . 2. single-ended or differential operation may used. if the inputs are driven single-ended, the unused inputs must be terminated in 50 w . 3. clocked operation is optional. for clocked operation, pin 5 must be a logic 1. with clocked operation, the optical output changes state with the rising edge of the input clock signal. 4. deviation due to temperature variation detected by the thermistor. parameter symbol min max unit supply voltage (positive) v cc 5.25 v supply voltage (negative) v ee C6.0 v operating case temperature range t c 070 c storage case temperature range t stg C40 85 c lead soldering temperature/time 250/10 c/s relative humidity (noncondensing) rh 85 % minimum fiber-bend radius 1.00 (25.4) in. (mm) table 2. electrical characteristics parameter symbol min typ max unit dc power supply voltage v cc 4.75 5.0 5.25 v dc power supply current i cc 350 500 ma dc negative supply voltage v ee C5.46 C5.2 C4.94 v dc negative supply current i cc 250 ma power dissipation p diss 4.5 6.5 w input data/clock voltage: 1, 2 single-ended input differential input v in v in 250 125 900 450 1300 650 mvp-p mvp-p clocked/nonclocked select voltage: 3 clocked operation (v il ) nonclocked operation (v ih ) v sel_clk v dis_clk 0.0 2.0 0.8 v cc v v input impedance r in 50 w transmitter disable voltage (ttl) v ih v dis 2.0 v cc v transmitter enable voltage (ttl) v il v en 0.0 0.8 v l deviation alarm: levels (cmos) v ol l deviation alarm: levels (cmos) v oh setting 4 v l alarm n v l alarm l alarm 0 4.5 C20 0.4 v cc 20 v v pm laser degrade alarm: levels (cmos) v oh laser degrade alarm: levels (cmos) v ol setting v alarm v l alarm n ld alarm 4.5 0 v cc 0.4 60 v v ma
c488-type 2.5 gbits/s advance data sheet tunable, stabilized, long-haul laser transmitters february 2000 4 lucent technologies inc. characteristics (continued) 1. inputs are ac-coupled internally into an equivalent input impedance of 50 w . 2. single-ended or differential operation may used. if the inputs are driven single-ended, the unused inputs must be terminated in 50 w . 3. clocked operation is optional. for clocked operation, pin 5 must a logic 1. if pin 5 is left ?oating, the transmitter operates in the clocked mode. with clocked operation, the optical output changes state with the rising edge of the input clock signal. 4. deviation due to temperature variation detected by the thermistor. 5. this voltage is measured from pin 2 to gnd. 6. frequency range: 100 khz2 ghz. 7. at frequency of 2.5 ghz. figure 1. electrical input/output interface timing diagram table 2. electrical characteristics (continued) parameter symbol min typ max unit laser bias monitor voltage v lbm 20 mv/ma laser monitor voltage (50% duty cycle) 5 v bf 500 mv/mw tec current i tec 0.6 1.3 a tec voltage v tec 3.0 3.3 3.5 v setup time t set 35ps hold time t hold 60 ps clock duty cycle c dc 40 50 60 % return loss: input data 6 input clock 7 rl data rl clock C10 C12 db db t set t hold 1-1087 (f)
advance data sheet c488-type 2.5 gbits/s february 2000 tunable, stabilized, long-haul laser transmitters 5 lucent technologies inc. characteristics (continued) 1. output power de?nitions and measurement per itu-t recommendation g.957. 2. ratio of the average output power in the dominant longitudinal mode to the power in the most signi?cant side mode under fully modulated conditions. 3. filter bandwidth from 12 khz20 mhz, according to itu-t g813. 4. ratio of logic 1 output power to logic 0 output under fully modulated conditions. 5. gr-253-core, synchronous optical network (sonet) transport systems: common generic criteria. 6 . itu-t recommendation g.957, optical interfaces for equipment and systems relating to the synchronous digital hierarchy. table 3. optical characteristics parameter symbol min typ max unit average optical power output: 1 bol eol p avg bol p avg eol C2.0 tbd 2 tbd dbm dbm output power variation (bol) d p C0.5 0.5 dbm wavelength accuracy (room temperature) dl c C0.015 0.015 nm center wavelength range (see table 5.) l c 1528.77 1563.86 nm variation in center wavelength over temperature range (eol, all causes) dl t C0.016 0.016 nm side-mode suppression ratio 2 smsr 30 db jitter, intrinsic (12 khz20 mhz) 3 0.05 uip-p extinction ratio 4 r e 11.0 db eye mask of optical output 5, 6 meets sonet and itu-t optical rise/fall time (20%80%) t r, t f 125 ps maximum return loss (optical) o rl 24 db table 4. dispersion performance parameter symbol test conditions min typ max unit dispersion penalty for extended reach (360 km) dp 6400 ps/nm 2.0 db dispersion penalty for extended reach (640 km) dp 10500 ps/nm 2.0 db
c488-type 2.5 gbits/s advance data sheet tunable, stabilized, long-haul laser transmitters february 2000 6 lucent technologies inc. outline drawings dimensions are in inches and (millimeters). transmitter package transmitter package with standoffs 0.14 (3.6) 0.15 (3.8) 0.02 (0.6) 0.28 (7.0) max 2.89 (73.4) 0.39 (10.0) 38.98 3.94 (990.0 100) 2.01 (51.0) 1.50 (38.1) 0.50 (12.7) max max max 1.07 (27.3) m2 5 x 4 0.10 (2.54) 0.98 (25.0) 5 areas 6 x 6 0.24 (6.0) 0.24 (6.0) max 0.14 (3.5) max 1.33 (33.7) 2 standoffs 0.10 (2.5) min 0.01 (0.3) min max 1-1050 (f).a
advance data sheet c488-type 2.5 gbits/s february 2000 tunable, stabilized, long-haul laser transmitters 7 lucent technologies inc. quali?cation and reliability to help ensure high product reliability and customer satisfaction, lucent is committed to an intensive quality pro- gram that starts in the design phase and proceeds through the manufacturing process. optoelectronics modules are quali?ed to lucent internal standards using mil-std-883 test methods and procedures and using sampling techniques consistent with telcordia technologies requirements. this quali?cation program fully meets the intent of bellcore reliability practices tr-nwt-000468 and ta-tsy-000983. in addition, the lucent technologies microelec- tronics group optoelectronics design, development, and manufacturing facility has been certi?ed to be in full com- pliance with the latest iso *-9001 quality system standards. laser safety information class i laser product fda/cdhr laser products.the c488-type transmitters are class i laser products per cdrh, 21 cfr 1040 laser safety requirements. all versions are class i laser products per iec ? 60825-1:1993.the transmitters have been certi?ed with the fda under accession number 8720009. this product complies with 21 cfr 1040.10 and 1040.11. 8 m m/125 m m diameter single-mode ?ber pigtail with 914 m m tight-buffered jacket and connector wavelength = 1.5 m m maximum power = 10 mw 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. notice unterminated optical connectors can emit laser radiation. do not view with optical instruments. * iso is a registered trademark of the international organization for standardization. ? iec is a registered trademark of the international electrotechnical commission.
c488-type 2.5 gbits/s advance data sheet tunable, stabilized, long-haul laser transmitters february 2000 8 lucent technologies inc. ordering information table 5. ordering information product code 360 km comcode 360 km product code 640 km comcode 640 km itu frequency (thz) center wavelength (nm) c488t517 108692658 c488t217 108695107 191.70 to 191.85 1563.86 to 1562.64 c488t519 108692666 c488t219 108695115 191.90 to 192.05 1562.23 to 1561.01 c488t521 108692674 c488t221 108695123 192.10 to 192.25 1560.61 to 1559.39 c488t523 108692682 c488t223 108695131 192.30 to 192.45 1558.98 to 1557.77 c488t525 108692690 c488t225 108695149 192.50 to 192.65 1557.36 to 1556.15 c488t527 108692708 c488t227 108695156 192.70 to 192.85 1555.75 to 1554.54 c488t529 108692716 c488t229 108695164 192.90 to 193.05 1554.13 to 1552.93 c488t531 108692724 c488t231 108695172 193.10 to 193.25 1552.52 to 1551.32 c488t533 108692732 c488t233 108695180 193.30 to 193.45 1550.92 to 1549.72 c488t535 108692740 c488t235 108695198 193.50 to 193.65 1549.32 to 1548.11 c488t537 108692757 c488t237 108695206 193.70 to 193.85 1547.72 to 1546.52 c488t539 108692765 c488t239 108695214 193.90 to 194.05 1546.12 to 1554.92 C488T541 108692773 c488t241 108695222 194.10 to 194.25 1544.53 to 1543.33 c488t543 108692781 c488t243 108695230 194.30 to 194.45 1542.94 to 1541.75 c488t545 108692799 c488t245 108695248 194.50 to 194.65 1541.35 to 1540.16 c488t547 108692807 c488t247 108695255 194.70 to 194.85 1539.77 to 1538.58 c488t549 108692815 c488t249 108695271 194.90 to 195.05 1538.19 to 1537.00 c488t551 108692823 c488t251 108695289 195.10 to 195.25 1536.61 to 1535.43 c488t553 108692831 c488t253 108695297 195.30 to 195.45 1535.04 to 1533.86 c488t555 108692849 c488t255 108695305 195.50 to 195.65 1533.47 to 1532.29 c488t557 108692856 c488t257 108695313 195.70 to 195.85 1531.90 to 1530.72 c488t559 108692864 c488t259 108695321 195.90 to 196.05 1530.33 to 1529.16
advance data sheet c488-type 2.5 gbits/s february 2000 tunable, stabilized, long-haul laser transmitters 9 lucent technologies inc. ordering information (continued) coding scheme example: c488xxxx laser type optical connector t = st ? type 5 = 1.5 eml, 6400 ps/nm, 2 mw (peak power) 2 = 1.5 eml, 10500 ps/nm, 2 mw (peak power) center wavelength : 0099 = cooled tx itu l related product information product code description document number 1320-type lightwave receiver lightwave receiver with clock recovery and data retiming for 2488.32 mbits/s applications ds97-113lwp 1320 2.5 gbits/s receiver biasing and interfacing to the 1320 2.5 gbits/s receiver ap98-052lwp r485-type lightwave receiver lightwave receiver with clock recover and internal apd bias supply for 2.5 gbits/s applications
c488-type 2.5 gbits/s advance data sheet tunable, stabilized, long-haul laser transmitters february 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 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 ? 2000 lucent technologies inc. all rights reserved february 2000 ds99-379lwp
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