data sheet | january 29, 2008 for more information on this and other products: contact sales at ortel 626-293-3400, or visit www.emcore.com. applications wideband wireless systems satellite signal transmission via fiber narrow transmitter housings networks with limited fiber architectures using separate optical wavelengths to carry targeted services features standard itu grid wavelengths advanced analog chip design reduced equipment requirements in the hub oc-48 pin out telcordia technologies tm 468 compliant wide temperature range? stable even in harsh environments 1754w 1550 nm dwdm dfb laser module the 1754w laser module is a dense wavelength division multiplexing (dwdm) laser for analog wireless applications. it features a distributed- feedback chip that has been designed specifically for radio frequency (rf) applications. the 1754w laser module has a wide temperature range for reliable performance in harsh node environments and narrow transmitter designs. it also features low adiabatic chirp to maximize signal quality in short and long lengths of fiber. the laser?s excellent inherent linearity minimizes degradation of the broadcast signals caused by quadrature amplitude modulated (qam) channels. the 1754w is available in a wide range of standard itu grid wavelengths. performance highlights min typical max units available wavelengths 1527.99 - 1562.23 nm optical output power 8 - 14 mw temperature range -40 - +85 c frequency range 5 - 2700 mhz input third order intercept 32 - - dbm 1 db compression point 18 - - dbm adiabatic chirp (measured at 500 mhz) 40 - 100 mhz/ma see following pages for complete specifications and conditions.
data sheet | january 29, 2008 ortel, a division of emcore 1754w 1550 nm dwdm dfb laser module absolute maximum ratings 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. parameter symbol condition min max units operating case temperature t c continuous -40 +85 c storage temperature t stg - -40 +85 c laser forward dc current - - - 150 ma reverse voltage photodiode v rpd - - 10 v laser reverse voltage, dc - - - 2 v esd - hbm: r = 1500 ohm, c = 100 pf -500 500 v tec current i tec continuous -1.9 1.9 a electrical/optical characteristics laser temperature (t l ) = 25 c, i f = i op , beginning of life (bol) parameter symbol condition min typ max unit wavelength - itu grid 1527.99 - 1562.23 nm optical output power - 8 - 14 mw slope efficiency .14 - - w/a optical isolation iso 30 - - db sidemode suppression ratio smsr 30 - - db relative intensity noise rin i f = i th +70ma, t=25c 5mhz -2700mhz - - -155 db/hz threshold current i th - - 30 ma operating current i op - - 120 ma monitor pd responsivity r pd v rm = 5v 10 - 200 a/mw thermistor resistance r th t op = 25 c 9.5 10 10.5 k ? thermistor temp. coefficient tc th t op = 25 c - -4.4 - %/ c tec current i tec -40 3 data sheet | january 29, 2008 ortel, a division of emcore 1754w 1550 nm dwdm dfb laser module electrical schematics figure 1. 1754w laser schematic figure 2. 1754w circuit schematic
4 data sheet | january 29, 2008 ortel, a division of emcore 1754w 1550 nm dwdm dfb laser module outline diagram dimensions are in inches and (millimeters) pin information pin no. description 1 thermistor 2 thermistor 3 dc laser bias (-) 4 mpd anode (-) 5 mpd cathode (+) 6 thermal electric cooler (+) 7 thermal electric cooler (-) 8 case ground 9 case ground 10 nc 11 laser common (+) 12 laser modulation (-) 13 laser common (+) 14 nc
5 data sheet | january 29, 2008 ortel, a division of emcore 1754w 1550 nm dwdm dfb laser module 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 0220309. all versions of this laser are class 3b laser product, tested according to iec 60825-1:1993 + a1:1997 + a2:2001 / en 60825-1:1994 + a2:2001 + a1:2002 single-mode fiber pigtail with sc/apc connectors (standard). wavelength = 1.5 m. maximum power = 30 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.
6 data sheet | january 29, 2008 ortel, a division of emcore 1754w 1550 nm dwdm dfb laser module ordering information contact ortel for ordering information at 626-293-3400. ordering code definitions 1754w 19 ww sc itu wavelengths family name analog 1550 nm, dfb, dwdm laser for wireless applications frequency plan ww = none, wireless 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. ortel, the ortel logo, emcore, and the emcore logo are trademarks of emcore corporation . ds.1754 ? copyright 2003. emcore corporation ortel, a division of emcore 2015 west chestnut street a lhambra, california 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com 19 = ch. 19 22 = ch. 22 25 = ch. 25 27 = ch. 27 30 = ch. 30 33 = ch. 33 36 = ch. 36 39 = ch. 39 42 = ch. 42 45 = ch. 45 49 = ch. 49 41 = ch .41 52 = ch. 52 55 = ch. 55 58 = ch. 58 61 = ch. 61 20 = ch. 20 23 = ch. 23 26 = ch. 26 28 = ch. 28 31 = ch. 31 34 = ch. 34 37 = ch. 37 40 = ch. 40 43 = ch. 43 46 = ch. 46 50 = ch. 50 42 = ch .42 53 = ch. 53 56 = ch. 56 59 = ch. 59 62 = ch. 62 21 = ch. 21 24 = ch. 24 26 = ch. 26 29 = ch. 29 32 = ch. 32 35 = ch. 35 38 = ch. 38 41 = ch. 41 44 = ch. 44 47 = ch. 48 51 = ch. 51 42 = ch .42 54 = ch. 54 57 = ch. 57 60 = ch. 60 connectors fc = fc/apc sc = sc/apc pg = none (no connector)
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