tz7-01-385 ( 1 / 5 ) mitsubishi electric corporation nov. 15, 2001 preliminary preliminary specification of 10gb/s eml module type no.=FU-653SEA-1M5 (dispersion=1200ps/nm) type no.=fu-653sea-1m6 (dispersion=1600ps/nm) approved approved approved a.adachi t.onodera a b c d x date approved 20.nov. ? 01 t.nambara
tz7-01-385 ( 2 / 5 ) mitsubishi electric corporation features input impedance is 50 w integrated electro-absorption modulator distributed feed- back(dfb) laser diode emission wavelength is 1 .55 m m band single mode optical fiber pigtail built-in optical isolator built-in thermoelectric cooler 7-pin butterfly package with gpo connector 1. absolute maximum ratings parameter symbol condition rating unit optical output power pf cw 6 mw forward current if cw 200 ma laser diode reverse voltage vrl cw 2 v reverse voltage vrm - 5 v modulator forward voltage vfm - 1 v reverse voltage vrd - 20 v photodiode for monitoring forward current ifd - 2 ma current ipe - 1.5 a thermoelectric cooler(note1) voltage vpe - 3 v operating case temperature tc - -20 ~ 70 c storage temperature tstg - -40 ~ 85 c note1 even if the thermoelectric cooler (tec) is operated within the rated conditions, uncontrolled current loading or operation without heat sink may easily damage the module by exceeding the storage temperature range. thermistor resistance should be properly monitored by the feedback circuit during tec operation to avoid the catastrophic damage.
tz7-01-385 ( 3 / 5 ) mitsubishi electric corporation 2. electrical and optical characteristics (tld=tc=25 c, unless otherwise noted) parameter symbol condition(note2) min. typ. max. unit threshold current ith cw,vm=0v 5 - 30 ma operating current iop cw,vm=0v 50 70 100 ma operating voltage vop cw, if=iop, vm=0v - - 1.6 v input impedance zin if=iop - 50 - w optical output power from fiber end pf (note 3,4) -3 - - dbm light emission central wavelength l c (note 3,4) 1530 1550 1565 nm side mode suppression ratio sr (note 3,4) 35 40 - db relative intensity noise rin cw, if=iop, vm=0v,f=10ghz - - -135 db/hz (note 3,4), d=1200ps/nm(60km fiber) - - 2.0 db fu-653sea- 1m5 dispersion penalty dp (note 3,4), d=1600ps/nm(80km fiber) - - 2.0 db fu-653sea- 1m6 extinction ratio ex (note 3,4) 9.0 - - db rise/fall time tr/ tf (note 3,4),20-80% - - 45 ps cutoff frequency fc if=iop,vm=-1v 10 - - ghz if=iop,vm=-1v, f 5ghz 10 15 - db rf return loss s11 if=iop,vm=-1v, f 10ghz 5 7 - db tracking error er if=iop,tc=-20 ~ 70 c, note 5 - 0.3 0.5 db monitor current imon if=iop,vrd=-5v 0.1 - 1.5 ma dark current(pd) id vrd=-5v - - 0.1 m a capacitance(pd) ct vrd=-5v - 10 - pf tc=25 c 35 - - db optical isolation iso tc=-20 ~ 70 c 23 - - db note 2 : vm is eam bias voltage at cw condition, vpp and voff are eam amplitude and eam high level offset voltage respectively at modulation condition. note 3 : 9.95328gbps, nrz, prbs2^23-1, if=iop, vpp=1.5 ~ 2.5v,voff=0 ~ -1v note 4 : optical return loss of the connectors should be greater than 40db in order to get s pecified performance. note 5 : er=max ? 10 log(pf/pf@25 c) ?
tz7-01-385 ( 4 / 5 ) mitsubishi electric corporation 3. thermal characteristics item symbol condition(note2) min. typ. max. unit thermistor resistance rth tc=tld=25 c, 9.5 10 10.5 w b constant of rth b - - 3950 - k cooling capacity d t tld=25 c 40 - - c cooler current ipe if=iop, tc=70 c - 0.7 1.2 a cooler voltage vpe if=iop, tc=70 c - 1.7 2.5 v 4. fiber pigtail specification item specification unit type sm - mode field diameter 9.5 1 m m cladding diameter 125 2 m m secondary coating outer diameter 0.9 0.1 mm connector see fig.1 - optical return loss of connector 40(min) db
tz7-01-385 ( 5 / 5 ) mitsubishi electric corporation figure 1 outline drawing connector type identical type number dispersion fu-6 53 sea-1m5 1200ps/nm no connector fu-6 53 sea-1m6 1600ps/nm fu-6 53 sea-w1m5 1200ps/nm sc/pc fu-6 53 sea-w1m6 1600ps/nm fu-6 53 sea-v1m5 1200ps/nm fc/pc fu-6 53 sea-v1m6 1600ps/nm pin no. pin no. 1 thermistor 2 thermistor 3 ld bias (anode) 4 monitor pd (anode) 5 monitor pd (cathode) 6 cooler (anode) 7 cooler (cathode) gpo connector ea m /ld thermo cooler pd thermistor pin1 pin7 l1=1100 100mm
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