LASER DIODE
NX8571 Series
1 550 nm CW LIGHT SOURCE
InGaAsP MQW-DFB LASER DIODE MODULE
WITH WAVELENGTH MONITOR
DESCRIPTION
The NX8571 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 (1530.334 to 1565.087 nm) and L-band (1565.496 to 1608.760 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 (Etalon Filter, Wavelength monitor PD) ? Optical output power: P f = 10 mW MIN.
? Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid)
? 4-channel wavelength tunable capability for 50 GHz-spacing (NX8571S ××××D)
? Internal thermo-electric cooler and isolator ? Hermetically sealed 14-pin butterfly package ? Polarization maintain fiber pigtail
Document No. PL10136EJ03V0DS (3rd edition) Date Published June 2004 CP (K)
? NEC Compound Semiconductor Devices, Ltd. 2002, 2004
The mark shows major revised points.
PACKAGE DIMENSIONS (UNIT: mm)
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
Data Sheet PL10136EJ03V0DS
2
ABSOLUTE MAXIMUM RATINGS
Ratings Unit
Parameter Symbol
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 sld260 (10 sec.) °C
ELECTRO-OPTICAL CHARACTERISTICS (T LD = T set, T C = ?5 to +70°C, unless otherwise specified)
MAX.
Unit
TYP.
Parameter Symbol Conditions MIN.
channel 20 35 °C
Laser Set Temperature T set Single
4 channel tunable 10 45
Forward Voltage V F P f = 10 mW 0.9 1.2 2.5 V
Threshold Current I th20 40 mA
Operation Current I op P f = 10 mW 70 125 mA
Optical Output Power from Fiber P f I F = 125 mA, T LD = T set 10 mW
ITU-T *1 1 609 nm
530
Peak Emission Wavelength λp P f = 10 mW, CW, T LD = T set 1
?20 +20 pm Wevelength Stability ?T LD = T set, applicable to wavelength
monitor, E.O.L
Spectral Line Width ?νP f = 10 mW, CW, 3 dB down 1 2 MHz
Side Mode Suppression Ratio SMSR P f = 10 mW, CW 35 45 dB
Relative Intensity Noise RIN P f = 10 mW, 20 MHz to 3 GHz ?150 dB/Hz
Optical Isolation I s P f = 10 mW, CW 30 dB
Polarization Extinction Ratio *2ext P f = 10 mW, CW 20 dB
*1Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid).
Please refer to Table A.
*2 Polarization state of LD is aligned parallel to the slow axis.
Data Sheet PL10136EJ03V0DS 3
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 = 10 mW, V R = 5 V
20 200 μA Monitor Current (λp Monitor) I m (λp ) P f = 10 mW, V R = 5 V, Locking point 10
100
μA
Operation Region *1
I m (λ)
25 75
%
?λ1?λ2? 90
pm Discrimination Slope *1ηλ
0.05
μA/pm Dark Current I D V R = 5 V 2 10 nA Tracking Error
γ
*2
I m = const.
0.5
dB
*1 Operation region, Discrimination slope, Slope assignment
I I m I m (λp I m I 1: I m I 2: I m Negative Slope (Odd channel)
I m (λ)
I m I m (λp I m I 2: I m I 1: I m λ
Positive Slope (Even channel)
μ
*2 Tracking Error: γ
m
m
set
, T C = –5 to +70?C
10P f
γ = 10 log
[dB]
P f 10
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 = 10 mW 1.5 A Cooler Voltage
V C
?T = 70 ? T set , P f = 10 mW
3.0
V
Data Sheet PL10136EJ03V0DS
4
ORDERING INFORMATION
NX8571SC -BA
With FC-PC connector Without : Single channel D : 4 channel tunable Wavelength code : Refer to Table A Package code
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 1530.33 195.90 Negative 307 1530.72 195.85 Positive 311 1531.11 195.80 Negative 315 1531.50 195.75 Positive 330D 318 1531.89 195.70 Negative 322 1532.29 195.65 Positive 326 1532.68 195.60 Negative 330 1533.07 195.55 Positive 346D 334 1533.46 195.50 Negative 338 1533.85 195.45 Positive 342 1534.25 195.40 Negative 346 1534.64 195.35 Positive 362D 350 1535.03 195.30 Negative 354 1535.42 195.25 Positive 358 1535.82 195.20 Negative 362 1536.21 195.15 Positive 377D 366 1536.60 195.10 Negative 370 1537.00 195.05 Positive 373 1537.39 195.00 Negative 377 1537.79 194.95 Positive 393D 381 1538.18 194.90 Negative 385 1538.58 194.85 Positive 389 1538.97 194.80 Negative 393 1539.37 194.75 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10136EJ03V0DS
5
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (2/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
Negative
194.70 409D 397 1539.76
Positive
194.65 401
1540.16
Negative
194.60
1540.55
405
Positive
194.55
1540.95
409
Negative
194.50 425D 413 1541.34
Positive
194.45
1541.74
417
194.40
Negative
1542.14
421
Positive
194.35
1542.53
425
Negative 441D 429 1542.93
194.30
Positive
194.25
1543.33
433
194.20
Negative
1543.73
437
Positive
194.15
1544.12
441
194.10
Negative 457D 445 1544.52
194.05
Positive
1544.92
449
194.00
Negative
1545.32
453
Positive
193.95
1545.72
457
Negative
193.90 473D 461 1546.11
Positive
193.85
1546.51
465
Negative
193.80
1546.91
469
193.75
Positive
1547.31
473
Negative 489D 477 1547.71
193.70
193.65
Positive
1548.11
481
193.60
Negative
1548.51
485
193.55
Positive
1548.91
489
Negative 505D 493 1549.31
193.50
Positive
193.45 497
1549.71
Negative
193.40
1550.11
501
Positive
193.35
1550.51
505
193.30
Negative 521D 509 1550.91
Positive
193.25
1551.31
513
Negative
193.20
1551.72
517
Positive
193.15 521
1552.12
*1The value which omitted and computed the 3rd place below the decimal point
6
Data Sheet PL10136EJ03V0DS
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (3/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
Negative
193.10 537D 525 1552.52
Positive
193.05 529
1552.92
Negative
193.00
1553.32
533
Positive
192.95
1553.73
537
Negative
192.90 553D 541 1554.13
Positive
192.85
1554.53
545
192.80
Negative
1554.94
549
Positive
192.75
1555.34
553
Negative 569D 557 1555.74
192.70
Positive
192.65
1556.15
561
192.60
Negative
1556.55
565
Positive
192.55
1556.95
569
192.50
Negative 585D 573 1557.36
192.45
Positive
1557.76
577
192.40
Negative
1558.17
581
Positive
192.35
1558.57
585
Negative 602D 589 1558.98
192.30
Positive
192.25 593
1559.38
Negative
192.20
1559.79
597
Positive
192.15
1560.20
602
Negative
192.10 618D 606 1560.60
Positive
192.05 610
1561.01
Negative
192.00
1561.41
614
191.95
Positive
1561.82
618
Negative
191.90 634D 622 1562.23
Positive
191.85
1562.64
626
Negative
191.80
1563.04
630
191.75
Positive
1563.45
634
Negative
191.70 650D 638 1563.86
Positive
191.65 642
1564.27
Negative
191.60 646
1564.67
Positive
191.55
1565.08
650
*1The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10136EJ03V0DS 7
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (4/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
Negative
191.50 667D 654 1565.49
Positive
191.45 659
1565.90
Negative
191.40
1566.31
663
Positive
191.35
1566.72
667
Negative
191.30 683D 671 1567.13
Positive
191.25
1567.54
675
191.20
Negative
1567.95
679
Positive
191.15
1568.36
683
Negative 700D 687 1568.77
191.10
Positive
191.05
1569.18
691
191.00
Negative
1569.59
695
Positive
190.95
1570.00
700
190.90
Negative 716D 704 1570.41
190.85
Positive
1570.82
708
190.80
Negative
1571.23
712
Positive
190.75
1571.65
716
Negative
190.70 733D 720 1572.06
Positive
190.65
1572.47
724
Negative
190.60
1572.88
728
190.55
Positive
1573.30
733
Negative 749D 737 1573.71
190.50
190.45
Positive
1574.12
741
190.40
Negative
1574.54
745
190.35
Positive
1574.95
749
Negative 766D 753 1575.36
190.30
Positive
190.25 757
1575.78
Negative
190.20
1576.19
761
Positive
190.15
1576.61
766
190.10
Negative 782D 770 1577.02
Positive
190.05
1577.44
774
Negative
190.00
1577.85
778
Positive
189.95 782
1578.27
*1The value which omitted and computed the 3rd place below the decimal point
8
Data Sheet PL10136EJ03V0DS
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (5/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
Negative
189.90 799D 786 1578.68
Positive
189.85 791
1579.10
Negative
189.80
1579.51
795
Positive
189.75
1579.93
799
Negative
189.70 816D 803 1580.35
Positive
189.65
1580.76
807
189.60
Negative
1581.18
811
Positive
189.55
1581.60
816
Negative 832D 820 1582.01
189.50
Positive
189.45
1582.43
824
189.40
Negative
1582.85
828
Positive
189.35
1583.27
832
189.30
Negative 849D 836 1583.69
189.25
Positive
1584.10
841
189.20
Negative
1584.52
845
Positive
189.15
1584.94
849
Negative 866D 853 1585.36
189.10
Positive
189.05 857
1585.78
Negative
189.00
1586.20
862
Positive
188.95
1586.62
866
Negative
188.90 883D 870 1587.04
Positive
188.85 874
1587.46
Negative
188.80
1587.88
878
188.75
Positive
1588.30
883
Negative
188.70 899D 887 1588.72
Positive
188.65
1589.14
891
Negative
188.60
1589.56
895
188.55
Positive
1589.98
899
Negative
188.50 916D 904 1590.41
Positive
188.45 908
1590.83
Negative
188.40 912
1591.25
Positive
188.35
1591.67
916
*1The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10136EJ03V0DS 9
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (6/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
933D 921 1592.10
Negative
188.30
Positive
188.25 925
1592.52
Negative
188.20
1592.94
929
Positive
188.15 933
1593.36
Negative
188.10 950D 937 1593.79
Positive
188.05
1594.21
942
188.00
Negative
1594.64
946
Positive
187.95 950
1595.06
Negative
187.90 967D 954 1595.48
Positive
187.85
1595.91
959
187.80
Negative
1596.33
963
Positive
187.75
1596.76
967
Negative 984D 971 1597.18
187.70
Positive
187.65
1597.61
976
187.60
Negative
1598.04
980
Positive
187.55 984
1598.46
Negative 6001D 988 1598.89 187.50
Positive
187.45 993
1599.32
Negative
187.40
1599.74
997
187.35
Positive
1600.17
6001
Negative 6018D 6006 1600.60 187.30
Positive
187.25 6010
1601.02
Negative
187.20 6014
1601.45
Positive
187.15
1601.88
6018
Negative 6035D 6023 1602.31 187.10
6027
Positive
187.05
1602.74
187.00
Negative
1603.16
6031
Positive
186.95
1603.59
6035
Negative 6053D 6040 1604.02 186.90
Positive
186.85 6044
1604.45
Negative
186.80 6048
1604.88
Positive
186.75 6053
1605.31
*1The value which omitted and computed the 3rd place below the decimal point
10
Data Sheet PL10136EJ03V0DS
Table A: DWDM wavelength base on ITU-T recommendations (@ T LD = T set) (7/7)
Slope Wavelength Code ITU-T Wavelength *1Frequency Monitor
4 channel tunable single channel (nm) (THz)
6070D 6057 1605.74 186.70
Negative
Positive
186.65 6061
1606.17
Negative
186.60
1606.60
6066
Positive
186.55
1607.03
6070
Negative 6087D 6074 1607.46 186.50
Positive
186.45 6078
1607.89
Negative
186.40 6083
1608.32
Positive
186.35
1608.76
6087
*1The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10136EJ03V0DS 11
TYPICAL CHARACTERISTICS (T LD = 25°C, unless otherwise specified)
Forward Current I F (mA)
T C = 70?C
T h e r m i s t o r R e s i s t a n c e R (k ?)
C o o l e r E l e c t r i c P o w e r C o n s u m p t i o n (W )
15
10
20
25
30
35
SPECTRUM
R e l a t i v e I n t e n s i t y (d B )
Wavelength λ (nm)OPTICAL OUTPUT POWER FROM FIBER, MONITOR CURRENT (P f MONITOR) vs. FORWARD CURRENT
O p t i c a l O u t p u t P o w e r f r o m F i b e r P f (m W )
THERMISTOR RESISTANCE vs.AMBIENT TEMPERATURE
Ambient Temperature T A (?C)Laser Set Temperature T set (?C)
–10
–30–50–700–20–40–601 529.1
1 539.1
1 549.1
1 534.1
1 544.1
–8030.025.020.015.010.05.0
4.03.53.02.52.01.51.00.50.0050100150
200
0.30
0.250.200.150.100.050P f
I m (P f )
M o n i t o r C u r r e n t (P f M o n i t o r ) I m (P f ) (m A )
COOLER ELECTRIC POWER CONSUMPTION vs. LASER SET TEMPERATURE
Remark The graphs indicate nominal characteristics.
Data Sheet PL10136EJ03V0DS
12
REFERENCE
Document Name Document No. OPTICAL SEMICONDUCTOR DEVICES FOR FIBEROPTIC COMMUNICATIONS SELECTION GUIDE PL10161E
Opto-Electronics Devices Pamphlet PX10160E
Data Sheet PL10136EJ03V0DS 13
4590 Patrick Henry Drive
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile: (408) 988-0279
Subject: Compliance with EU Directives
CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive 2003/11/EC Restriction on Penta and Octa BDE.
CEL Pb-free products have the same base part number with a suffix added. The suffix –A indicates that the device is Pb-free. The –AZ suffix is used to designate devices containing Pb which are exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals. All devices with these suffixes meet the requirements of the RoHS directive.
This status is based on CEL’s understanding of the EU Directives and knowledge of the materials that go into its products as of the date of disclosure of this information.
Restricted Substance
per RoHS Concentration Limit per RoHS
(values are not yet fixed)
Concentration contained
in CEL devices
-A -AZ
Lead (Pb) < 1000 PPM
Not Detected (*) Mercury < 1000 PPM Not Detected
Cadmium < 100 PPM Not Detected
Hexavalent Chromium < 1000 PPM Not Detected
PBB < 1000 PPM Not Detected
PBDE < 1000 PPM Not Detected
If you should have any additional questions regarding our devices and compliance to environmental
standards, please do not hesitate to contact your local representative.
Important Information and Disclaimer: Information provided by CEL on its website or in other communications concerting the substance
content of its products represents knowledge and belief as of the date that it is provided. CEL bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better
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In no event shall CEL’s liability arising out of such information exceed the total purchase price of the CEL part(s) at issue sold by CEL to
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See CEL Terms and Conditions for additional clarification of warranties and liability.
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