tz7-01-289c ( 1 / 7 ) 09 january, 2002 approved approved charged p reliminary specification of cooled and semi- cooled dfb-ld module for 10gb/s applications ( stm-64, oc192 and 10g ethernet ) module type : FU-484SDF -x1mxx ( cooled dfb-ld module, tc=-20~ 75 c , tld=25 c ) FU-484SDF-x2mxx ( semi- cooled dfb-ld module, tc=-20~85c , tld= 0~65c ) a b c d x date approved 9.jan. ? 02 t.nambara mitsubishi electric corporation * mitsubishi electric corp. reserves the right to change product design and specification without notice.
tz7-01-289c ( 2 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) description module type fu- 484 sdf- x1 m xx and FU-484SDF ? x2 m xx is a 1. 3 um cooled dfb-ld module with single-mode optical fiber. this module is suitable to a light source for use in 10gb/s digital optical communication systems. features ? input impedance is 50 w ? distributed feedback (dfb) laser diode ? emission wavelength is the 1.3 m m band ? single-mode optical fiber pig-tail ? built-in optical isolator ? built-in bias t ? built-in thermistor and thermoelectric cooler ? with photodiode for optical output monitor ? 7-pin butterfly package with gpo connector application ? high speed transmission systems (~10gb/s) 1. absolute maximum ratings (tc=25c) item symbol condition rating unit optical output power pf cw 6 mw forward current if cw 100 ma laser diode reverse voltage vrl - 2 v reverse voltage vrd - 20 v photo diode forward current ifd - 2 ma current ipe - 1.5 a thermoelectric cooler(note1) voltage vpe - 3 v FU-484SDF-x1mxx (cooled type) tc - -20 ~ 75 ( tld= 2 5) c operating case temperature FU-484SDF-x2mxx (semi-cooled type) tc - -2 0 ~ 85 ( tld= 0 ~ 65) 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.
tz7-01-289c ( 3 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) 2. electrical/ optical characteristics of FU-484SDF-x1mxx (tc=-20~ 75 c , tld=25 c, unless otherwise noted) item symbol condition min typ max unit threshold current ith cw - 10 25 ma op tical output power at threshold current pth cw, ibias=ith - - 50 m w operating current iop cw, pf= 1 mw - 3 0 5 0 ma operating voltage vop cw, pf= 1 mw - 1.2 1. 8 v input impedance zin - - 50 - w optical output power from fiber end pf cw, nominal - 1 - mw light-emission central wavelength l c cw, pf=1mw 1290 1310 1330 nm wavelength temper- ature coefficient l ct - - 0.09 0.1 nm/c spectral width dl -20db full width - - 0.8 nm side mode suppression ratio sr 35 45 - db extinction ratio ex - 6.5 - db dispersion penalty pp 40ps/nm disp. - - 1.0 db relative intensity noise nr cw, pf=1mw - -1 45 -130 db/hz tracking error [note 1] er cw, apc ( imon=const.) , atc , tc=-20~ 75 c - 0.5 1.0 db differential efficiency h cw, tc=25c 0.005 - 0. 15 mw/ma monitor current imon cw, pf=1mw, vrd=5v 0.05 - 1 .5 ma optical isolation iso - 20 - - db dark current (pd) id vrd=5v - - 0.1 m a capacitance (pd) ct vrd=5v, f=1mhz - - 10 pf thermistor resistance rth tc=25c 9.5 10 10.5 k w b constant of rth b - - 3950 - k cooler current ipe if=iop, tc=75 c - 0.7 1.3 a cooler voltage vpe if=iop, tc=75 c - 1.7 2.5 v [note 1] er=max|10* log(pf / pf@25c)|
tz7-01-289c ( 4 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) 3. electrical/ optical characteristics of FU-484SDF-x2mxx (tc= -20 ~85c , tld= 0~65c, unless otherwise noted) item symbol condition min typ max unit threshold current ith cw, t ld =25c - 10 25 ma op tical output power at threshold current pth cw, ibias=ith - - 50 m w operating current iop cw, pf= 1 mw, t ld =25c - 3 0 5 0 ma operating voltage vop cw, pf= 1 mw, tld=25c - 1.2 1. 8 v input impedance zin - - 50 - w optical output power from fiber end pf cw, nominal - 1 - mw light-emission central wavelength l c cw, pf=1mw 1290 1310 1330 nm wavelength temper- ature coefficient l ct - - 0.09 0.1 nm/c spectral width dl -20db full width - - 0.8 nm side mode suppression ratio sr 35 45 - db extinction ratio ex - 6.5 - db dispersion penalty pp 40ps/nm disp. - - 1.0 db relative intensity noise nr cw, pf=1mw - -1 45 -130 db/hz tracking error [note 1] er cw, apc ( imon=const.) , atc, tc= -20 ~85c - 0.5 1.0 db differential efficiency h cw, tld=25c 0.005 - 0. 15 mw/ma monitor current imon cw, pf=1mw, vrd=5v 0.05 - 1 .5 ma optical isolation iso - 20 - - db dark current (pd) id vrd=5v - - 0.1 m a capacitance (pd) ct vrd=5v, f=1mhz - - 10 pf thermistor resistance rth tld=25c 9.5 10 10.5 k w b constant of rth b - - 3950 - k cooler current ipe tc=85 c, tld=65 c - - 1.0 a cooler voltage vpe tc=85 c, tld=65 c - - 1.5 v power consumption of cooler ppe tc=85 c, tld=65 c - - 0.5 w [note 1] er=max|10* log(pf / pf@25c)|
tz7-01-289c ( 5 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) 3. fiber pigtail specifications item specification unit type sm - mode field diameter 9.3 1 m m cladding diameter 125 2 m m jacket diameter 0.9 0.1 mm connector see table 1. - optical return loss of connector 40 (min) db table 1. (unit; mm) type number connector type optical fiber length l1 (note 3) optical conector length l2 (note 3) fu-484 s df- 1m1 none (note 4) 1000+200/-0 - fu-484 s df- v1m1 fc/pc 1000+200/-0 28.4 fu-484 s df- w1m1 sc/pc 1000+200/-0 34.5 fu-484 s df- 2m1 none (note 4) 1000+200/-0 - fu-484 s df- v2m1 fc/pc 1000+200/-0 28.4 fu-484 s df- w2m1 sc/pc 1000+200/-0 34.5 note 3 ) optical fiber length ? l1 ? and optical conector length ? l2 ? is defined in outline diagram s. note 4) there are some cases where a connector for testing is shipped with the product. then the fiber length not including the connector is more than 1000mm. documentation threshold current ( ith) at tc=25 c operating current (iop) at tc=25 c operating voltage ( v op) at tc=25 c light-emission central wavelength ( l c) at tc=25 c monitor current ( imon) at tc=25 c op tical output power from fiber end (pf) at tc=25 c
tz7-01-289c ( 6 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) pin no. pin assignments 1 thermistor 2 thermistor 3 ld dc bias ( cathode ) 4 monitor pd (anode) 5 monitor pd (cathode) 6 cooler (anode) 7 cooler (cathode) 7 6 5 4 3 2 1 rf conector tec ld figure4.pin assignments
tz7-01-289c ( 7 / 7 ) mitsubishi (optical devices) fu- 484 sdf- x1mxx, - x2mxx 1.3 m m cooled and semicooled dfb-ld module with singlemode fiber pigtail for 10gb/s (bias circuit integrated, digital application) outline diagram (unit : mm) fu-4 84s df -x1mxx, -x2mxx 9
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