datasheet | october 08, 2007 for more information on this and other products: contact sales at emcore 626-293-3400, or visit www.emcore.com. applications video signal distribution in hfc and fttx nodes high linearity, low power fiber links features linear dfb laser design output power up to 10 dbm available bandwidth > 2700 mhz rohs compliance optical isolator low power consumption monitor photodiode model 1933 catv coaxial dfb laser diode 1310nm, wide bandwidth 5mhz ? 2700mhz emcore?s model 1933 dfb lasers offer a low cost solution for linear fiberoptic links. these components can be cooled with external thermo- electric coolers for high stability, or run without tec?s to reduce power consumption. the dfb laser builds upon ortel?s long history of high performance, leading edge designs in catv, wireless, and high speed digital applications. the laser diode devices are packaged in a compact hermetic assembly together with monitor photodiode and isolator, for flexible integration into various transmitter configurations. performance highlights min typical max units operating case temperature range 0 - 45 c minimum optical output power 3 6 9 10 - - - - - - dbm frequency range 5 - 2700 mhz carrier-to-noise ratio (79 channels) 51 - - db composite second order (79 channels) standard linearity enhanced linearity - - - - -57 -60 dbc composite triple beat (79 channels) standard linearity enhanced linearity - - - - -65 -70 dbc center wavelength 1300 - 1320 nm optical return loss 35 - - db side mode suppression ratio, cw 30 - - db see following pages for complete specifications and conditions.
datasheet | october 08, 2007 emcore corporation model 1933 1310 nm cat v coaxial dfb laser diode absolute maximum ratings 1 stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are absolute stress ratings only. functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. exposure to absolute maximum ratings for extended periods can adversely affect device reliability. parameters symbol condition/notes min max unit storage temperature t stg non-operating -40 85 o c operating case temperature t op continuous -40 85 o c laser diode forward current i op cw - 100 ma laser diode reverse voltage v r continuous - 1.0 v photodiode forward current i mpd continuous - 2 ma photodiode reverse voltage v mpd,r continuous - 10 v average rf input power pin 60 seconds - 62 dbmv lead soldering temperature/time - - - 260/10 o c/sec relative humidity rh continuous - 85 % esd - human body model -500 +500 v 1. absolute maximum data are limited to system design only; proper device performance is not guaranteed over rating listed abov e. operation beyond these maximum conditions may degrade device performance, lead to device failure, shorter lifetime, and will invalidate t he device warranty.
3 emcore corporation datasheet | october 08, 2007 model 1933 1310 nm catv coaxial dfb laser diode electrical/optical characteristics parameters symbol conditions/notes min typ max unit operating case temperature 1 t case - 0 - 45 oc minimum optical output power p o 3 dbm version 6 dbm version 9 dbm version 10 dbm version 3 6 9 10 - - dbm threshold current i th t case = 25oc t case = 45oc - - 8 13 15 20 ma laser bias current t op 0oc < t case < 45oc - - 85 ma forward voltage v f i op - 1.0 1.2 v laser input impedance z - 2 4 8 ? mpd current i mpd v mpd = 5v, i op = 60 ma 200 - 800 a mpd dark current i d v mpd = 5v, i op = 0 t case = 25oc - - 50 na center wavelength c i op 1300 - 1320 nm relative intensity noise rin cw, i op , 50 mhz < f < 550 mhz - - -145 db/hz optical isolation iso 0 oc < t case < 45oc 30 - - db spectral width (-20 db) ? i op - 0.1 1.0 nm side mode suppression ratio smsr i op 30 45 - db optical return loss orl t case = 25oc 35 - - db 1. referenced to base of to header. rf characteristics parameters symbol conditions/notes min typ max unit bandwidth 3 db bw i op , t case = 25oc 2700 - - mhz frequency response flatness 1 |s 21 | 5 mhz < f < 1002 mhz 950 mhz < f < 2700 mhz - - - - 1 3 db p-p response up-tilt 1 5 mhz < f < 1002 mhz 0 3 db carrier-to-noise ratio 1,2,3 cnr i op 51 - - db composite second order 1,2,3 standard linearity enhanced linearity cso i op - - - - -57 -60 dbc composite triple beat 1,2,3 standard linearity enhanced linearity ctb i op - - - - -65 -70 dbc 1. i op , t case = 25 c. test with the laser input pin matched to a 50 ? system. 2. 3.2% omi, 79 ntsc unmodulated carriers (50 mhz to 550 mhz). 0 km fiber. 3. received power = 0 dbm.
4 emcore corporation datasheet | october 08, 2007 model 1933 1310 nm catv coaxial dfb laser diode package outline drawing mounting bracket
5 emcore corporation datasheet | october 08, 2007 model 1933 1310 nm catv coaxial dfb laser diode reliability/quality designed to meet qualification requirements of telcordia tm (bellcore) gr-468-core. schematic and pinout pin definitions pin description 1 ld anode, case ground 2 ld cathode 3 pd cathode 4 pd anode 1 2 3 4 pd ld pinout a 1 2 3 4 pd ld pinout a
6 emcore corporation datasheet | october 08, 2007 model 1933 1310 nm catv coaxial dfb laser diode laser safety this product meets the appropriate standard in title 21 of the code of federal regulations (cfr). fda/cdrh class iiib laser product. this device has been classified with the fda/cdrh under accession number tbd. single-mode fiber pigtail with sc/apc connectors (standard). wavelength = 1.3 m. maximum power = 50 mw. because of size constraints, laser safety labeling (including an fda class iiib label) is not affixed to the module, but attached to the outside of the shipping carton. product is not shipped with power supply. caution: use of controls, adjustments and procedures other than those specified herein may result in hazardous laser radiation exposure. danger invi sible laser radi ati on is emitte d from the e nd of fiber or connector avoid direct exposure to beam do not view beam directly with optical instruments invisible laser radiat ion emitted from end of fiber or connecto r avo i d ex po su re t o be am cl ass 3 b l a ser pr oduct iec-608 25 19 93 ma x. output : 5 0 m w wav el engt h: 1. 3 m danger i nvi si ble las er radi ati o n max. output : 50 mw, class i ii b laser product avoi d di rect expos ure to beam w avelength: 1.3 m
7 emcore corporation datasheet | october 08, 2007 model 1933 1310 nm catv coaxial dfb laser diode ordering code definitions 1933-w-x-yy-zz-v example 1933-b-a-sa-10: 1933, high linearity, pinout a, sc/apc optical connector, 10dbm optical power information contained herein is deemed to be reliable and accurate as of issue date. emcore reserves the right to change the de sign or specifications of the product at any time without notice. emcore and the emcore logo are trademarks of emcore corporation. ds.1933 ? copyright 2007. emcore corporation emcore corporation 2015 west chestnut street a lhambra, california 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com family name 1933 pinout x = a: pinout a distortion performance w = a: standard linearit y w = b: enhanced linearit y fiber length, optical connecto r yy = fa: fc/apc, 900 micron buffer, 1.0 ? 1.4 meter yy = sa: sc/apc, 900 micron buffer, 1.0 ? 1.4 meter optical output powe r zz = 03: 3 dbm zz = 06: 6 dbm zz = 09: 9 dbm zz = 10: 10 dbm mounting bracket v = b: mounting bracket v = n: no mounting bracket
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