nec's ea modulator integrated ingaasp mqw dfb laser diode in butterfly package with gpo connector for 10 gb/s dwdm applications nx8560lj series features ? integrated electroabsorption modulator ? up to 40 km transmission capability with stan dard single mode fiber ( dispersion 800 ps/nm) ? low modulation voltage ? 7-pin butterfly package with gpo? connector ? av ailable for dwdm wavelength based on itu-t recommendation nec's nx8560lj series are an electro-absorption (ea) mod u - la tor integrated, 1550 nm multiple quantum well (mqw) struc- tured distributed feed-back (dfb) laser diodes. it is capable of transmitting up to 40 km for 10 gb/s applications by using standard ber dispersion 800 ps/nm and is available for dense wa velength mul ti plex ing (dwdm) wavelength based on itu-t rec om men da tions. description note: 1. nx8560lj series: t set is a certain point between 20c and 35c. nx8560ljxxx series: t set is set at a certain point between 20c and 35c for itu-t grid wavelength 2. 40 km smf under modulation, 9.95328 gb/s, prbs 2 23 -1, v ea = v center 1/2v mod, i fld = i op , nec test system v center : a certain point between -2.0 v and -0.5 v. v mod : a certain point 3 v or below. i op : a certain point between 50 ma and 80 ma. 3. available for dwdm wavelength based on itu-t recommendations (100 ghz grid). please refer to ordering information. 4. ber = 10 -10 . p art number nx8560lj series symbols parameters and conditions units min typ max t set laser set temperature 1 c 20 35 i op operating current ma 50 60 80 v center modulation center voltage v -2.0 -0.5 v mod modulation voltage v 2.0 3.0 v fld forward voltage of ld, i fld = i op v 2.0 i th threshold current, t ld = t set ma 7 20 p f optical output from fiber, under modulation 2 dbm -3 -2 p peak emission wavelength, i fld = i op , v ea = 0 v nm 1528 itu-t 3 1563 smsr side mode suppression ratio, i fld = i op , v ea = 0 v db 30 >37 er extinction ratio, under modulation 2 db 10 >11 t r rise time, 20-80%, under modulation 2 ps 40 t f fall time, 80-20%, under modulation 2 ps 40 dp dispersion penalty, 40 km smf under modulation 2, 4 db 2.0 isol optical isolation db 23 s 11 rf return loss, i fld = i op , v ea = -1 v, f = 130 mhz to 5 ghz i fld = i op , v ea = -1 v, f = 5 ghz to 10 ghz db db -10 -8 -8 -5 electro-optical characteristics (t ld = t set , t c = 25c, bol unless otherwise speci ed) california eastern laboratories preliminary data sheet
absolute maximum ratings 1 (t c = 25c, unless otherwise speci ed) symbols parameters units ratings p f optical output from fiber mw 10 i fld forward current of ld ma 150 v rld reverse voltage of ld v 2.0 vfm forward voltage of modulator v 1 vrm reverse voltage of modulator v 4 i fpd forward current of pd ma 1 v rpd reverse voltage of pd v 10 i c cooler current a 1.5 v c cooler voltage v 2.5 t c operating case temperature c -20 to +70 t stg storage temperature c -40 to +85 t sld lead soldering c 350 temperature (3 s) note: 1. operation in excess of any one of these parameters may result in permanent damage. p art number nx8560lj series symbols parameters and conditions units min typ max i m monitor current, v rpd = 5v, i fld = i op , v ea = 0 v a 30 1100 i d dark current, v rpd = 5 v, v ea = 0 v na 10 c t terminal capacitance, v rpd = 5 v, f = 1 mhz pf 15 1 tracking error, i m = const. db 0.5 electro-optical characteristics (applicable to monitor pd: t ld = t set , t c = -20 to +70c) p f (mw) t ld = t c = 25 c (at p f (25 c) = p op ) t ld = 25 c, t c = -20 to +70 c p op 0 p f i m i m note: 1. = 10 log p f p op p art number nx8560lj series symbols parameters and conditions units min typ max r thermistor resistance, t ld = 25c k ? 9.5 10.0 10.5 b b constant k 3350 3450 3550 i c cooler current, t ld = t set a 1.2 v c cooler voltage, t ld = t set v 2.4 electro-optical characteristics (applicable to thermistor and tec: t c = -20 to +70c) nx8560lj series
nx8560lj series typical performance curves (t c = 25c unless otherwise speci ed) optical output power from fiber vs. forward current reverse voltage of modulator, v rea (v) textinction ratio, er (db) extiction ratio vs. modular voltage optical output power from fiber, p f (mw) forward current, i f (ma) input return loss characteristics (s 11 ) case temperature, t c (c) input return loss, s 11 (db) error rate characteristics bit error rate monitor current, i m (ma) v rea = 0 v 0.5 v 1 v 2 v 3 v 4 3 2 1 0 50 100 150 200 0 5 10 15 20 25 0123 0 -5 -10 -15 -20 -25 0510 15 20 9.95328 gb/s prbs 223 -1, tx: nx8560lj, rx: nr3470mu back to back after 800 ps/nm 10 -4 10 -5 10 -6 10 -7 10 -8 10 -9 10 -10 10 -11 10 -12 ?2 20 ?8 16 ?4 12 frequency, f (ghz) av erage recieved power, p (dbm) remark: 1. the graphs indicate nominal characteristics.
nx8560lj series w avelength code itu-t wavelength 1 (nm) frequency (thz) w avelength code itu-t wavelength 1 (nm) frequency (thz) 287 1528.77 196.10 501 1550.11 193.40 295 1529.55 196.00 509 1550.91 193.90 303 1530.33 195.90 517 1551.72 193.20 311 1531.11 195.80 525 1552.52 193.10 318 1531.89 195.70 533 1553.32 193.00 326 1532.68 195.60 541 1554.13 192.90 334 1533.46 195.50 549 1554.94 192.80 342 1534.25 195.40 557 1555.74 192.70 350 1535.03 195.30 565 1556.55 192.60 358 1535.82 195.20 573 1557.36 192.50 366 1536.60 195.10 581 1558.17 192.40 373 1537.39 195.00 589 1558.98 192.30 381 1538.18 194.90 597 1559.79 192.20 389 1538.97 194.80 606 160.60 192.10 397 1539.76 194.70 614 1561.41 192.00 405 1540.55 194.60 622 4562.23 191.90 413 1541.36 194.50 630 1563.04 191.80 421 1542.14 194.40 429 1542.91 194.30 437 1543.73 194.20 445 1544.52 194.10 453 1545.32 194.00 461 1546.11 193.90 469 1546.91 193.90 477 1547.71 193.70 485 1548.51 193.60 493 1549.31 193.50 ordering information nx8560lj - cc : sc-upc connector (standard) bc : fc-upc connector (option) without wavelength code: wavelength is a certain point between 1528.77 to 1563.04 nm with wavelength code : refer to table a t able a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) note: 1. the value which omitted and computed the 3rd place below the decimal point
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. outline dimensions (units in mm, unless otherwise speci ed 0.2 mm tolerance) parameter units specifications mode field diameter m 9.30.5 cladding diameter m 1251 tight buffer diameter m 900100 cut-off wavelength nm <1270 attenuation 1525 to 1575 db/km <0.3 minimum fiber bending radius mm 30 fiber length mm 1000 min flammability ul1581 vw-1 optical fiber characteristics 8.990.5 mm 352 mm fiber length: 1000 mm min. -bc : fc-upc connector -cc : sc-upc connector optical fiber (smf) length : 1000 min 30.0 0.75 20.83?.13 26.04?.13 15.24 71 2.54 22.0 max 4 - 2.67 1.25 0.9 10 min 8.89?.13 12.7?.15 6.0 8.0 #7 #1 cooler 5.4 5.08 + - pd ld thermistor mod 7.8 4.83 05/16/2003 nx8560lj series pin no. function 1 thermistor 2 thermistor 3 ld dc bias 4 pd anode 5 pd cathode, 6 cooler anode 7 cooler cathode pin connections to p view
|
