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data sheet the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all devices/types available in every country. please check with local nec compound semiconductor devices representative for availability and additional information. laser diode nx8570 series 1 550 nm cw light source ingaasp mqw-dfb laser diode module with wavelength monitor document no. pl10135ej04v0ds (4th edition) date published september 2005 cp(k) printed in japan the mark ? shows major revised points. ? nec compound semiconductor devices, ltd. 2002, 2005 description the nx8570 series is a 1 550 nm multiple quantum well (mqw) structured distributed feed-back (dfb ) laser diode module with wavelength monitor function. this device is temperature tunable over 4 50 ghz channels. available at both c- band (1 530.334 to 1 565.087 nm) and l-band (1 565.496 to 1 608.760 nm) itu-t grid wavelengths. this device is designed as cw light source and ideal for transmission systems in which external modulators are used. features ? wavelength monitor function (etal on filter, wavelength monitor pd) optical output power : p f = 20 mw min. available for dwdm wavelengths based on itu-t recommendations (50 ghz grid, please refer to the ordering information ) 4 channel wavelength tunable capability for 50 ghz-spacing (nx8570sc d) internal thermo-electric cooler and isolator hermetically sealed 14-pin butterfly package polarization maintain fiber pigtail
data sheet pl10135ej04v0ds 2 nx8570 series package dimensions (unit : mm) 29.970.25 7.80.2 5.4 5.15 0.3 1.0 optical fiber (pmf) length: 1 000 min. top view pd ( p ) + ? ld #8 #14 #7 #1 pd (p f ) cooler thermistor pin connections pin no. pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 function function thermistor thermistor ld cathode pd (p f ) anode pd cathode cooler anode cooler cathode gnd gnd pd ( p ) anode ld anode ld cathode ld anode nc 20.830.25 26.040.25 7 8 1 14 8.890.13 10 min. 15.24 21.80.3 1.0 0.8 12.70.2 1.25 2.54 0.5 4? 2.67 5.0 0.9 6.00.2 optical fiber characteristics parameter specification unit outer diameter 0.9 0.1 mm minimum fiber bending radius 25 mm fiber length 1 000 min. mm fiber length: 1 000 mm min. fc-pc connector pmf
data sheet pl10135ej04v0ds 3 nx8570 series absolute maximum ratings parameter symbol ratings unit forward current of ld i f 300 ma reverse voltage of ld v r 2.0 v forward current of pd i f 10 ma reverse voltage of pd v r 20 v operating case temperature t c ? 20 to +70 c storage temperature t stg ? 40 to +85 c lead soldering temperature t sld 260 (10 sec.) c electro-optical characteristics (t ld = t set , t c = ? 5 to +70 c, unless otherwise specified) parameter symbol conditions min. typ. max. unit laser set temperature t set single channel 20 35 c 4 channel tunable 10 45 forward voltage v f p f = 20 mw 0.9 1.2 2.5 v threshold current i th 20 40 ma operation current i op p f = 20 mw 120 167 ma optical output power from fiber p f i f = 167 ma, t ld = t set 20 mw peak emission wavelength p p f = 20 mw, cw, t ld = t set 1 530 itu-t *1 1 609 nm wevelength stability ? t ld = t set , applicable to wavelength monitor, e.o.l ? 20 +20 pm spectral line width ? p f = 20 mw, cw, 3 db down 1 2 mhz side mode suppression ratio smsr p f = 20 mw, cw 35 45 db relative intensity noise rin p f = 20 mw, 20 mhz to 3 ghz ? 150 db/hz optical isolation i s p f = 20 mw, cw 30 db polarization extinction ratio *2 ext p f = 20 mw, cw 20 db *1 available for dwdm wavelengths based on itu-t recommendations (50 ghz grid, please refer to the ordering information ) *2 polarization state of ld is aligned parallel to the slow axis.
data sheet pl10135ej04v0ds 4 nx8570 series electro-optical characteristics (applicable to monitor pd: t ld = t set , t c = ? 5 to +70 c) parameter symbol conditions min. typ. max. unit monitor current (p f monitor) i m (p f ) p f = 20 mw, v r = 5 v 30 300 a monitor current ( p monitor) i m ( p ) p f = 20 mw, v r = 5 v, locking point 15 150 a operation region *1 i m ( ) 25 75 % ? 1 ? 2 ? 90 pm discrimination slope *1 0.05 a/pm dark current i d v r = 5 v 2 10 na tracking error *2 i m = const. 0.5 db *1 operation region, discrimi nation slope, slope assignment 0 i m ( ) i m @100% i m ( p ) i m @0% i 1 : i m @75% i 2 : i m @25% 1 2 p locking point negative slope (odd channel) operation region 0 i m ( ) i m @100% i m ( p ) i m @0% i 2 : i m @75% i 1 : i m @25% 1 2 p locking point positive slope (even channel) operation region 1 ? 2 i 1 ? i 2 = [ a/pm] *2 tracking error: p f (mw) 0 i m i m t ld = t set t ld = t set , t c = ?5 to +70?c 20 p f = 10 log [db] p f 20 electro-optical characteristics (applicable to thermistor and tec: t ld = t set , t c = ? 5 to +70 c) parameter symbol conditions min. typ. max. unit thermistor resistance r t ld = 25 c 9.5 10.0 10.5 k ? b constant b t ld = 25 c 3 350 3 450 3 550 k cooler current i c ? t = 70 ? t set , p f = 20 mw 1.5 a cooler voltage v c ? t = 70 ? t set , p f = 20 mw 3.0 v
data sheet pl10135ej04v0ds 5 nx8570 series ordering information nx8570sc -ba with fc-pc connector without : single channel d : 4 channel tunable package code wavelength code : refer to table a table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (1/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 315d 303 1 530.33 195.90 negative 307 1 530.72 195.85 positive 311 1 531.11 195.80 negative 315 1 531.50 195.75 positive 330d 318 1 531.89 195.70 negative 322 1 532.29 195.65 positive 326 1 532.68 195.60 negative 330 1 533.07 195.55 positive 346d 334 1 533.46 195.50 negative 338 1 533.85 195.45 positive 342 1 534.25 195.40 negative 346 1 534.64 195.35 positive 362d 350 1 535.03 195.30 negative 354 1 535.42 195.25 positive 358 1 535.82 195.20 negative 362 1 536.21 195.15 positive 377d 366 1 536.60 195.10 negative 370 1 537.00 195.05 positive 373 1 537.39 195.00 negative 377 1 537.79 194.95 positive 393d 381 1 538.18 194.90 negative 385 1 538.58 194.85 positive 389 1 538.97 194.80 negative 393 1 539.37 194.75 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 6 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (2/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 409d 397 1 539.76 194.70 negative 401 1 540.16 194.65 positive 405 1 540.55 194.60 negative 409 1 540.95 194.55 positive 425d 413 1 541.34 194.50 negative 417 1 541.74 194.45 positive 421 1 542.14 194.40 negative 425 1 542.53 194.35 positive 441d 429 1 542.93 194.30 negative 433 1 543.33 194.25 positive 437 1 543.73 194.20 negative 441 1 544.12 194.15 positive 457d 445 1 544.52 194.10 negative 449 1 544.92 194.05 positive 453 1 545.32 194.00 negative 457 1 545.72 193.95 positive 473d 461 1 546.11 193.90 negative 465 1 546.51 193.85 positive 469 1 546.91 193.80 negative 473 1 547.31 193.75 positive 489d 477 1 547.71 193.70 negative 481 1 548.11 193.65 positive 485 1 548.51 193.60 negative 489 1 548.91 193.55 positive 505d 493 1 549.31 193.50 negative 497 1 549.71 193.45 positive 501 1 550.11 193.40 negative 505 1 550.51 193.35 positive 521d 509 1 550.91 193.30 negative 513 1 551.31 193.25 positive 517 1 551.72 193.20 negative 521 1 552.12 193.15 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 7 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (3/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 537d 525 1 552.52 193.10 negative 529 1 552.92 193.05 positive 533 1 553.32 193.00 negative 537 1 553.73 192.95 positive 553d 541 1 554.13 192.90 negative 545 1 554.53 192.85 positive 549 1 554.94 192.80 negative 553 1 555.34 192.75 positive 569d 557 1 555.74 192.70 negative 561 1 556.15 192.65 positive 565 1 556.55 192.60 negative 569 1 556.95 192.55 positive 585d 573 1 557.36 192.50 negative 577 1 557.76 192.45 positive 581 1 558.17 192.40 negative 585 1 558.57 192.35 positive 602d 589 1 558.98 192.30 negative 593 1 559.38 192.25 positive 597 1 559.79 192.20 negative 602 1 560.20 192.15 positive 618d 606 1 560.60 192.10 negative 610 1 561.01 192.05 positive 614 1 561.41 192.00 negative 618 1 561.82 191.95 positive 634d 622 1 562.23 191.90 negative 626 1 562.64 191.85 positive 630 1 563.04 191.80 negative 634 1 563.45 191.75 positive 650d 638 1 563.86 191.70 negative 642 1 564.27 191.65 positive 646 1 564.67 191.60 negative 650 1 565.08 191.55 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 8 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (4/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 667d 654 1 565.49 191.50 negative 659 1 565.90 191.45 positive 663 1 566.31 191.40 negative 667 1 566.72 191.35 positive 683d 671 1 567.13 191.30 negative 675 1 567.54 191.25 positive 679 1 567.95 191.20 negative 683 1 568.36 191.15 positive 700d 687 1 568.77 191.10 negative 691 1 569.18 191.05 positive 695 1 569.59 191.00 negative 700 1 570.00 190.95 positive 716d 704 1 570.41 190.90 negative 708 1 570.82 190.85 positive 712 1 571.23 190.80 negative 716 1 571.65 190.75 positive 733d 720 1 572.06 190.70 negative 724 1 572.47 190.65 positive 728 1 572.88 190.60 negative 733 1 573.30 190.55 positive 749d 737 1 573.71 190.50 negative 741 1 574.12 190.45 positive 745 1 574.54 190.40 negative 749 1 574.95 190.35 positive 766d 753 1 575.36 190.30 negative 757 1 575.78 190.25 positive 761 1 576.19 190.20 negative 766 1 576.61 190.15 positive 782d 770 1 577.02 190.10 negative 774 1 577.44 190.05 positive 778 1 577.85 190.00 negative 782 1 578.27 189.95 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 9 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (5/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 799d 786 1 578.68 189.90 negative 791 1 579.10 189.85 positive 795 1 579.51 189.80 negative 799 1 579.93 189.75 positive 816d 803 1 580.35 189.70 negative 807 1 580.76 189.65 positive 811 1 581.18 189.60 negative 816 1 581.60 189.55 positive 832d 820 1 582.01 189.50 negative 824 1 582.43 189.45 positive 828 1 582.85 189.40 negative 832 1 583.27 189.35 positive 849d 836 1 583.69 189.30 negative 841 1 584.10 189.25 positive 845 1 584.52 189.20 negative 849 1 584.94 189.15 positive 866d 853 1 585.36 189.10 negative 857 1 585.78 189.05 positive 862 1 586.20 189.00 negative 866 1 586.62 188.95 positive 883d 870 1 587.04 188.90 negative 874 1 587.46 188.85 positive 878 1 587.88 188.80 negative 883 1 588.30 188.75 positive 899d 887 1 588.72 188.70 negative 891 1 589.14 188.65 positive 895 1 589.56 188.60 negative 899 1 589.98 188.55 positive 916d 904 1 590.41 188.50 negative 908 1 590.83 188.45 positive 912 1 591.25 188.40 negative 916 1 591.67 188.35 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 10 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (6/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 933d 921 1 592.10 188.30 negative 925 1 592.52 188.25 positive 929 1 592.94 188.20 negative 933 1 593.36 188.15 positive 950d 937 1 593.79 188.10 negative 942 1 594.21 188.05 positive 946 1 594.64 188.00 negative 950 1 595.06 187.95 positive 967d 954 1 595.48 187.90 negative 959 1 595.91 187.85 positive 963 1 596.33 187.80 negative 967 1 596.76 187.75 positive 984d 971 1 597.18 187.70 negative 976 1 597.61 187.65 positive 980 1 598.04 187.60 negative 984 1 598.46 187.55 positive 6001d 988 1 598.89 187.50 negative 993 1 599.32 187.45 positive 997 1 599.74 187.40 negative 6001 1 600.17 187.35 positive 6018d 6006 1 600.60 187.30 negative 6010 1 601.02 187.25 positive 6014 1 601.45 187.20 negative 6018 1 601.88 187.15 positive 6035d 6023 1 602.31 187.10 negative 6027 1 602.74 187.05 positive 6031 1 603.16 187.00 negative 6035 1 603.59 186.95 positive 6053d 6040 1 604.02 186.90 negative 6044 1 604.45 186.85 positive 6048 1 604.88 186.80 negative 6053 1 605.31 186.75 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 11 nx8570 series table a: dwdm wavelength base on itu-t recommendations (@ t ld = t set ) (7/7) wavelength code itu-t wavelength *1 frequency monitor slope 4 channel tunable single channel (nm) (thz) 6070d 6057 1 605.74 186.70 negative 6061 1 606.17 186.65 positive 6066 1 606.60 186.60 negative 6070 1 607.03 186.55 positive 6087d 6074 1 607.46 186.50 negative 6078 1 607.89 186.45 positive 6083 1 608.32 186.40 negative 6087 1 608.76 186.35 positive *1 the value which omitted and computed t he 3rd place below the decimal point
data sheet pl10135ej04v0ds 12 nx8570 series typical characteristics (t ld = 25 c, unless otherwise specified) forward current i f (ma) t c = 70?c thermistor resistance r (k ? ) cooler electric power consumption (w) 50 30 20 10 1 2 3 5 02550 75 15 10 20 25 30 35 spectrum relative intensity (db) wavelength (nm) optical output power from fiber, monitor current (p f monitor) vs. forward current optical output power from fiber p f (mw) thermistor resistance vs. ambient temperature cooler electric power consumption vs. laser set temperature ambient temperature t a (?c) laser set temperature t set (?c) ?10 ?30 ?50 ?70 0 ?20 ?40 ?60 1 529.1 1 539.1 1 549.1 1 534.1 1 544.1 ?80 30.0 25.0 20.0 15.0 10.0 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 50 100 150 200 0.30 0.25 0.20 0.15 0.10 0.05 0 p f i m (p f ) monitor current (p f monitor) i m (p f ) (ma) remark the graphs indicate nominal characteristics.
data sheet pl10135ej04v0ds 13 nx8570 series reference document name document no. optical semiconductor devices for fiberoptic communications selection guide pl10161e opto-electronics devices pamphlet px10160e
data sheet pl10135ej04v0ds 14 nx8570 series when the product(s) listed in this document is subject to any applicable import or export control laws and regulation of the au thority having competent jurisdiction, such product(s) shall not be imported or exported without obtaining the import or export license . m8e 00. 4 - 0110 the information in this document is current as of september, 2005. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec's data sheets or data books, etc., for the most up-to-date specifications of nec semiconductor products. not all products and/or types are available in every country. please check with an nec sales representative for availability and additional information. no part of this document may be copied or reproduced in any form or by any means without prior written consent of nec. nec assumes no responsibility for any errors that may appear in this document. nec does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of nec semiconductor products listed in this document or any other liability arising from the use of such products. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec or others. descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software and information in the design of customer's equipment shall be done under the full responsibility of customer. nec assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec endeavours to enhance the quality, reliability and safety of nec semiconductor products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. to minimize risks of damage to property or injury (including death) to persons arising from defects in nec semiconductor products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment, and anti-failure features. nec semiconductor products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to semiconductor products developed based on a customer-designated "quality assurance program" for a specific application. the recommended applications of a semiconductor product depend on its quality grade, as indicated below. customers must check the quality grade of each semiconductor product be fore using it in a particular application. "standard": computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots "special": transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) "specific": aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. the quality grade of nec semiconductor products is "standard" unless otherwise expressly specified in nec's data sheets or data books, etc. if customers wish to use nec semiconductor products in applications not intended by nec, they must contact an nec sales representative in advance to determine nec's willingness to support a given application. (note) (1) "nec" as used in this statement means nec corporation, nec compound semiconductor devices, ltd. and also includes its majority-owned subsidiaries. (2) "nec semiconductor products" means any semiconductor product developed or manufactured by or for nec (as defined above). ? ? ? ? ? ?
nec compound semiconductor devices hong kong limited e-mail: ncsd-hk@elhk.nec.com.hk (sales, technical and general) hong kong head office taipei branch office korea branch office tel: +852-3107-7303 tel: +886-2-8712-0478 tel: +82-2-558-2120 fax: +852-3107-7309 fax: +886-2-2545-3859 fax: +82-2-558-5209 nec electronics (europe) gmbh http://www.ee.nec.de/ tel: +49-211-6503-0 fax: +49-211-6503-1327 california eastern laboratories, inc. http://www.cel.com/ tel: +1-408-988-3500 fax: +1-408-988-0279 0504 nec compound semiconductor devices, ltd. http://www.ncsd.necel.com/ e-mail: salesinfo@ml.ncsd.necel.com (sales and general) techinfo@ml.ncsd.necel.com (technical) sales division tel: +81-44-435-1573 fax: +81-44-435-1579 for further information, please contact nx8570 series safety information on this product danger invisible laser radiation avoid direct exposure to beam output power mw max wavelength nm class lllb laser product semiconductor laser avoid exposure-invisible laser radiation is emitted from this aperture warning laser beam a laser beam is emitted from this diode during operation. the laser beam, visible or in visible, directly or indi rectly, may cause injury to the eye or loss of eyesight. do not look directly into the laser beam. avoid exposure to the laser beam, any reflected or collimated beam. caution gaas products this product uses gallium arsenide (gaas). gaas vapor and powder are hazardous to human health if inhaled or ingested, so please observe the following points. follow related laws and ordinanc es when disposing of the produc t. if there are no applicable laws and/or ordinances, dispose of the product as recommended below. 1. commission a disposal company able to (wit h a license to) collect, transport and dispose of materials that contain arsenic and other such industrial waste materials. 2. exclude the product from general industria l waste and household garbage, and ensure that the product is controlled (as industria l waste subject to special c ontrol) up until final disposal. do not burn, destroy, cut, crush, or chemically di ssolve the product. do not lick the product or in any way allow it to enter the mouth. caution optical fiber a glass-fiber is attached on the product. handle with care. when the fiber is broken or damaged, handle care fully to avoid injury from the damaged part or fragments.

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