edition 1.0 march 1999 1 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e parameter forward current tec voltage symbol condition i f photodiode reverse voltage v dr v c 150 10 2.5 ratings ma photodiode forward current i df 20 v v optical output power p f 5.0 cw cw <260 c mw ma reverse voltage v r 2 v unit absolute maximum ratings (t c =25 c) tec current lead soldering time i c t sold 1.4 10 95 95 a sec environmental operating humidity environmental storage humidity x op % % storage temperature t stg -40 to +70 - - - - - - - c operating case temperature t op -20 to +65 c x st top<30 c tst<30 c features direct modulation mqw dfb laser built-in tec, thermistor and monitor pd 14-pin butterfly type module low residual chirp optimized for 2.5 gb/s modulation rates ?selected wavelengths according to itu-t grid available applications this mqw laser is intended for application in 2.5 gb/s long haul dense wavelength division multiplexing (dwdm) systems. transmission spans of 100 km are possible without amplification. description the multiple quantum well (mqw) laser is a high power laser capable of 2.5 gb/s transmission. it is packaged in a ?utterfly?type module. the module employs a high efficiency optical coupling system, coupling the laser output through a built-in optical isolator into a single mode fiber pigtail. the modules also include a monitor photodiode, a thermoelectric cooler (tec) and thermistor. this device is designed for use in dwdm direct modulation transmission systems. selected wavelengths specified to the itu-t grid are available.
edition 1.0 march 1999 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e 2 parameter reverse voltage threshold power monitor current symbol v r p th i m slope efficiency series resistance r s optical output power p f optical and electrical characteristics (t l =t set , t c =25 c, bol, unless otherwise specified) photodiode dark current photodiode capacitance i d c t photodiode cutoff frequency f cm laser set temperature t set tracking error (note 1) te wavelength stability with case temperature -- side mode suppression rise time (10%-90%) t r fall time (10%-90%) t f cutoff frequency f c in-band ripple (window) rf return loss optical isolation relative intensity noise s 21 s 11 i s rin kinks (up to 2.4 mw) kns ber performance er pulsation - peak wavelength p sr cw, at i r <1500 a i f =i th , cw cw, pf=2.0mw, v dr =5v conditions cw, pf=2.0mw cw after 20 years v dr =5v v dr =5v, f=1 mhz v dr =5v, 50 ? load p f =2.0mw, -3 db f=50 mhz~3 ghz f=50 mhz~2 ghz f=2 ghz~3 ghz f=3 ghz~5 ghz tc=-20 to 65 c - pf=2.0mw, t c =-20 to 65 c - - note (3) note (2) note (2) note (2) note (2) f=2.5 ghz pf=2.0 mw, orl=24 db w mw/ma ma ? v mw unit na pf mhz c 22 min. 15 limits 28 - - - 50 2 2.0 0.035 - 1.0 100 10 - 0.10 db +0.5 -0.5 - - 100 pm/ c +/-2 - db - 33 nsec 0.125 - nsec 0.125 - ghz - 4.0 db db db db db db db/hz +/-1.5 -140 - none no floor note (4) power penalty pp note (3) 1.5 - none 8 6- - 3 25 nm 35 threshold current i th cw ma 340 forward voltage v fdc cw, i f =30 ma, pin 12-13 cw, pin 12-13 v - 25 - - - - - - - 2 - - - wavelength drift - nm 0.2 -- 35 0.1 spectral width (-20db) - note (2) nm 0.5 -- 0.1 - - - -- -- - -- 35 - 1.6 1.75 max. typ. note 1. te=10*log{pf(tcase)/pf(tc=25 c)}db, apc note 2. 2.5 gb/s nrz, pseudo-random, pb=0.2mw, ppeak=2.0mw note 3. bit rate=2.48832 gb/s, prbs=2 23 -1, dispersion=1,800 ps/nm (116km), ppeak=2.0mw, pbias=0.2mw (extinction ratio=10db), b.e.r.=1x10 --10 decision point: center of back-to-back at 10 -9 , receiver: fujitsu standard receiver note 4. the selected wavelength is available which is listed in fig. 8
edition 1.0 march 1999 3 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e parameter tec current tec voltage cooler power thermistor resistance thermistor b constant symbol i c v c r tr b tl=tset, pf=2mw, tc=65 c tl=tset, pf=2mw, tc=65 c tl=tset, pf=2mw, tc=65 c tl=tset, pf=2mw, tc=65 c tl=15 to 35 c - test conditions a v w k k ? unit tec resistance r tec p tec ? tec and thermistor characteristics limit 1.0 2.4 2.4 15.4 max. typ. - - - 6.3 3.2 - - - - 3,630 3,270 3,450 2.4 2.0 min. (t l =t set , t c =25 c, bol, unless otherwise specified) fig. 1 forward current vs output power forward current, if (ma) output power, pf (mw) 0 1 2 3 4 0306090 fig. 2 frequency response frequency (ghz) relative output (db) 6 3 0 -3 -6 -9 -12 9 12 0246810 p f =2mw t l = 25 c
edition 1.0 march 1999 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e 4 fig. 4 cooler voltage -current cooler temperature ( c) cooler voltage (v) cooler current (a) -1.0 3.0 2.0 0.0 1.0 -1.0 3.0 2.0 0.0 1.0 02030 10 40 50 60 ic vc 70 80 fig. 3 rf return loss frequency (ghz) return loss (db) 10 0 -10 -20 20 0246810 fig. 5 spectrum wavelength (nm) relative intensity (db) 0 -10 -40 -50 -60 -20 -30 10 1545 1550 1555 fig. 6 temperature dependance of wavelength laser temperature, t l ( c) wavelength (nm) 1550 1551 1552 1553 1554 10 20 30 40
edition 1.0 march 1999 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e 5 fig. 7 transmission characteristics average received optical power (dbm) bit error rate 10 -12 10 -10 10 -8 10 -6 10 -4 -40 -35 -30 -25 2.48832 gb/s, nrz prbs 2 23-1 tl=tset, ppeak=2mw, pb=0.2mw, (rext=10db) after 116km transmission back to back fig. 8 wavelength table part number fld5f6cx-e62 -e61 -e60 -e59 -e58 -e57 -e56 -e55 -e54 -e53 -e52 -e51 -e50 -e49 -e48 -e47 1527.99 1528.77 1529.55 1530.33 1531.12 1531.90 1532.68 1533.47 1534.25 1535.04 1535.82 1536.61 1537.40 1538.19 1538.98 1539.77 1540.56 1541.35 1542.14 1542.94 1543.73 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 wavelength (nm) (tl=tset) (in vacuum) tolerance (nm) -e46 -e45 -e44 -e43 -e42 1544.53 1545.32 1546.12 0.1 0.1 0.1 -e41 -e40 -e39 -e38 -e37 -e36 -e35 -e34 -e33 -e32 -e31 -e30 -e29 -e28 -e27 -e26 -e25 -e24 -e23 -e22 -e21 -e20 -e19 -e18 1546.92 1547.72 1548.51 1549.32 1550.12 1550.92 1551.72 1552.52 1553.33 1554.13 1554.94 1555.75 1556.55 1557.36 1558.17 1558.98 1559.79 1560.61 1561.42 1562.23 1563.05 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
edition 1.0 march 1999 6 for further information please contact: fujitsu compound semiconductor, inc. americas & r.o.w. 2355 zanker rd. san jose, ca 95131-1138, u.s.a. phone: (408) 232-9500 fax: (408) 428-9111 55 schanck road, suite a-2 freehold, nj 07728-2964, u.s.a. phone: (732) 303-0282 fax: (732) 431-3393 www.fcsi.fujitsu.com fujitsu miikroelctronik gmbh quantum devices division network house norreys drive maidenhead, berkshire sl6 4fj, uk phone:+44 (0)1628 504800 fax:+44 (0)1628 504888 fujitsu compound semiconductor products contain gallium arsenide (gaas) which can be hazardous to the human body and the environment. for safety, observe the following procedures: caution ?do not put this product into the mouth. ?do not alter the form of this product into a gas, powder, or liquid through burning, crushing, or chemical processing as these by-products are dangerous to the human body if inhaled, ingested, or swallowed. ?observe government laws and company regulations when discarding this product. this product must be discarded in accordance with methods specified by applicable hazardous waste procedures. fujitsu limited reserves the right to change products and specifications without notice. the information does not convey any license under rights of fujitsu limited or others. ? 1999 fujitsu compound semiconductor, inc. printed in u.s.a. fcsi0199m200 fujitsu quantum devices, ltd. asia & japan 2-7-1, nishi shinjuku shinjuku-ku, tokyo 163-0721 japan phone: 3-5322-3356 fax: 3-5322-3398 1,550nm mqw-dfb dwdm direct modulation laser fld5f6cx-e tec th 10 k ? top view pin 7 14.6 20.83 22.0 26.04 pin 8 4- 2.67 pin 1 5.2 8.89 12.7 0.9 13 all dimensions are in millimeters. 11.6 29.97 pin 14 2.54 14-0.5 17.24 15.2 0.5 1.70 5.41 5.47 8.17 0.5 1.70 4.15 5.47 23 *l p o 1. temperature monitor 2. temperature monitor 3. laser dc bias (-) 4. monitor (anode) 5. monitor (cathode) 6. tehp (+) 7. tehp (-) 8. case ground 9. case ground 10. n.c. 11. laser ground 12. laser modulation (-) 13. case ground 14. n.c. pin # function * pigtail length (l) shall be specified in the detail (individual) specification, if it is special. l=1500 min. for standard (preliminary) 15.24 7654321 8 9 10 11 12 13 14 ?x?package unit: mm
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