nec's directly modulated ingaasp mqw-dfb laser diode module for 2.5 gb/s, 110 km and 240 km reach dwdm metro and catv applications nx8563la series features ? peak output power p f = 10 mw min. ? internal thermo-electric cooler and isolator ? hermetically sealed 14-pin butterfly p ackage ? single mode fiber pigtail ? wide operation temperature range ? av ailable for dwdm wavelengths based on itu-t recommendations nec's nx8563la series is a 1 550 nm multiple quantum w ell (mqw) structured distributed feed-back (dfb) laser diode module with single mode fiber. it is designed as directly modulation light source and ideal for optical transmission systems. the device is available for dense wavelength division multiplexing (dwdm) wavelengths based on itu-t recommendations, enabling a wide range of applications. description california eastern laboratories data sheet symbol parameter and conditions unit min typ max t set laser set temperature c30 45 v f forward voltage, p f = 10 mw v 0.9 2.0 i th threshold current ma 20 40 p f optical output power from fiber, i f = i op , t ld = t set mw 10 i op operation current ma 125 p th threshold output power, i f = i th w 100 quantum ef ciency, cw w/a 0.142 0.17 p peak emission wavelength, p f = 10 mw, cw, t ld = t set nm 1 530 itu-t *1 1 562 ? spectral line width, p f = 10 mw, cw, 3 db down mhz 1 5 smsr side mode suppression ratio, p f = 10 mw, under modulation db 30 35 zin input impedance ? 25 rin relative intensity noise, p f = 10 mw, 20 mhz to 3 ghz db/hz ? 140 t r /t f rise and fall time, 20-80%/80-20%, t c = 25 cps 120 s 11 input return loss, f = 50 mhz to 3 ghz f = 3 ghz to 6 ghz db 6 3 bw band width, ? 3 db, p f = 10 mw ghz 2.5 dp dispersion penalty, t c = 25 c *2 db 2.0 electro-optical characteristics (t ld = t set , t c = -20 + 85c) notes: *1 a vailable for dwdm wavelengths based on itu-t recommendation. please refer to the ordering information . *2 2.48832 gb/s, prbs 2 23 ? 1, duty cycle, extinction ratio 8.5 db, ber = 10 ? 10 , nx8563las: 1 800 ps/nm(100 km), nx8563la: 4 320 ps/nm(240 km)
nx8563la series absolute maximum ratings 1 (t c = 25c, unless otherwise speci ed) symbol parameter unit ratings i f forward current of ld ma 300 v r reverse voltage of ld v 2.0 i f forward current of pd ma 10 v r reverse voltage of pd v 20 t c operating case te mperature c ? 20 to +85 t stg storage temperature c ? 40 to +85 t sld lead soldering te mperature c 260 (10 sec.) note: 1. operation in excess of any one of these parameters may result in permanent damage. symbol parameter and conditions unit min typ max i m monitor current, p f = 10 mw, v r = 5 v a 100 2 000 i d dark current, v r = 5 v na 10 *1 t racking error, i m = const. db 0.6 electro-optical characteristics (applicable to monitor pd: t ld = t set , t c = -20 to +85c) p f (mw) 0 i m i m t ld = t set , t c = 25 ? c t ld = t set , t c = ?20 to +85 ? c (@ p f (25 ? c) = 10 mw) 10 p f note: *1 = 10 log p f 10 mw symbol parameter and conditions unit min. typ. max. r thermistor resistance, t ld = 25 ck ? 9.5 10.0 10.5 bb constant k 3 350 3 450 3 550 i c cooler current, ? t = 85 ? t set , p f = 10 mw a 1.2 v c cooler voltage, ? t = 85 ? t set , p f = 10 mw v 2.4 electro-optical characteristics (applicable to thermistor and tec: t ld = t set , t c = -20 to +85c)
nx8563la series ordering information n x8563la - cd : sc-apc cc : sc-upc wa v elength code : refer to table a without : 240 km (4 320 ps/nm) s : 100 km ( 1 800 p s/nm ) t able a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) w avelength code itu-t wavelength *1 (nm) frequency (thz) w avelength code itu-t wavelength *1 (nm) frequency (thz) 303 1530.33 195.90 509 1550.91 193.30 311 1531.11 195.80 517 1551.72 193.20 318 1531.89 195.70 525 1552.52 193.10 326 1532.68 195.60 533 1553.32 193.00 334 1533.46 195.50 541 1554.13 192.90 342 1534.25 195.40 549 1554.94 192.80 350 1535.03 195.30 557 1555.74 192.70 358 1535.82 195.20 565 1556.55 192.60 366 1536.60 195.10 573 1557.36 192.50 373 1537.39 195.00 581 1558.17 192.40 381 1538.18 194.90 589 1558.98 192.30 389 1538.97 194.80 597 1559.79 192.20 397 1539.76 194.70 606 1560.60 192.10 405 1540.55 194.60 614 1561.41 192.00 413 1541.34 194.50 421 1542.14 194.40 429 1542.93 194.30 437 1543.73 194.20 445 1544.52 194.10 453 1545.32 194.00 461 1546.11 193.90 469 1546.91 193.80 477 1547.71 193.70 485 1548.51 193.60 493 1549.31 193.50 501 1550.11 193.40 note: *1 the value which omitted and computed the 3rd place below the decimal point
nx8563la series life support applications these nec products are not intended for use in life support devices, appliances, or systems where the malfunction of these prod ucts can reasonably be expected to result in personal injury. the customers of cel using or selling these products for use in such applications do so at their own risk and agree to fully indemnify cel for all damages resulting from such improper use or sale. p ackage dimensions (units in mm) optical fiber dimensions (unit: mm) a business partner of nec com p ound semiconductor devices, ltd . 12/15/2003 29.97?0.25 8.2?0.2 5.4 5.15 0.3 1.0 top view 20.83?0.25 26.04?0.25 7 8 1 14 8.89?0.13 10 min. 15.24 20.8 12.7?0.2 6.0 0.9 1.25 2.54 0.5 4? 2.67 pd l + r ld #8 #14 #7 #1 optical fiber (smf) length: 1 000 min. cooler thermistor pin connections pin no. pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 function function thermistor thermistor bias pd anode pd cathode cooler anode cooler cathode gnd gnd gnd gnd, ld anode signal input gnd gnd pa rameter unit specification outer diameter mm 0.90.1 minimum fiber bending radius mm 30 fiber length mm 1 000 min. sc-upc fiber len g th: 1 000 mm min. 352 mm 8.990.5 mm smf sc-apc : cut angle 8
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