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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
• 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
f = 10 mW MIN.
LASER DIODE
Document No. PL10136EJ03V0DS (3rd edition)
Date Published June 2004 CP (K)
The mark shows major revised points.
©
NEC Compound Semiconductor Devices, Ltd. 2002, 2004
PACKAGE DIMENSIONS (UNIT: mm)
15.24
21.8±0.3
1.0
0.8
1
14
φ
4– 2.67
1.25
10 MIN.
8.89±0.13
2.54
7
8
0.5
20.83±0.25
26.04±0.25
0.9
φ
5.0
φ
6.0±0.2
φ
12.7±0.2
TOP VIEW
#7 #1
+
–
Cooler
PD (λp)
#8 #14
PD (Pf)
Thermistor
LD
PIN CONNECTIONS
NX8571 Series
5.4
8.2±0.2
0.3
1.0
29.97±0.25
Optical Fiber (PMF)
Length: 1 000 MIN.
5.15
Pin No. Pin No.
1
2
3
4
5
6
7
Function
Thermistor
Thermistor
LD Cathode
f
) Anode
PD (P
PD Cathode
Cooler Anode
Cooler Cathode
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
PMF
Fiber Length: 1 000 mm MIN.
Function
8
GND
9
GND
10
PD (λ
11
LD Anode
12
LD Cathode
13
LD Anode
14
NC
FC-PC Connector
p
) Anode
2
Data Sheet PL10136EJ03V0DS
NX8571 Series
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Ratings Unit
Forward Current of LD IF 300 mA
Reverse Voltage of LD VR 2.0 V
Forward Current of PD IF 10 mA
Reverse Voltage of PD VR 20 V
Operating Case Temperature TC −20 to +70 °C
Storage Temperature Tstg −40 to +85 °C
Lead Soldering Temperature Tsld 260 (10 sec.) °C
ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = −5 to +70°C, unless otherwise specified)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Laser Set Temperature Tset Single channel 20 35 °C
4 channel tunable 10 45
Forward Voltage VF Pf = 10 mW 0.9 1.2 2.5 V
Threshold Current Ith 20 40 mA
Operation Current Iop Pf = 10 mW 70 125 mA
Optical Output Power from Fiber Pf IF = 125 mA, TLD = Tset 10 mW
Peak Emission Wavelength
Wevelength Stability
Spectral Line Width
Side Mode Suppression Ratio SMSR Pf = 10 mW, CW 35 45 dB
Relative Intensity Noise RIN Pf = 10 mW, 20 MHz to 3 GHz −150 dB/Hz
Optical Isolation Is Pf = 10 mW, CW 30 dB
Polarization Extinction Ratio
*2
λ
−
∆
ext Pf = 10 mW, CW 20 dB
f = 10 mW, CW, TLD = Tset 1 530 ITU-T
P
p
TLD = Tset, applicable to wavelength
monitor, E.O.L
f = 10 mW, CW, 3 dB down 1 2 MHz
P
ν
−20 +20 pm
*1
1 609 nm
*1 Available 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
NX8571 Series
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = Tset, TC = −5 to +70°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Monitor Current (Pf Monitor) Im (Pf) Pf = 10 mW, VR = 5 V 20 200
Monitor Current (λp Monitor) Im (λp) Pf = 10 mW, VR = 5 V, Locking point 10 100
Operation Region
Discrimination Slope
*1
*1
Im (λ) 25 75 %
90 pm
1−λ2⏐
⏐λ
0.05
η
λ
µ
µ
µ
A/pm
Dark Current ID VR = 5 V 2 10 nA
Tracking Error γ
*2
Im = const. 0.5 dB
*1 Operation region, Discrimination slope, Slope assignment
I1 – I
2
λ
µ
1
– λ
2
m
(λ)
I
Im @100%
2
: Im @75%
I
I
m
(λp)
Operation region
Locking point
I
1
: Im @25%
I
m
@0%
λ
0
λ
1
λ
p
λ
2
Im @100%
1
: Im @75%
I
I
m
I
2
: Im @25%
I
m
@0%
(λp)
η
λ
m
(λ)
I
= [ A/pm]
Operation region
Locking point
0
λ
1
λ
p
λ
2
A
A
λ
Negative Slope (Odd channel)
Positive Slope (Even channel)
*2 Tracking Error: γ
P
f
(mW)
10
P
f
0
I
m
TLD = T
TLD = T
set
set
, TC = –5 to +70˚C
I
m
P
γ = 10 log [dB]
f
10
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: T
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Thermistor Resistance R TLD = 25°C 9.5 10.0 10.5 kΩ
B Constant B TLD = 25°C 3 350 3 450 3 550 K
Cooler Current IC
Cooler Voltage VC
LD = Tset, TC = −5 to +70°C)
∆
T = 70 − Tset, Pf = 10 mW 1.5 A
∆
T = 70 − Tset, Pf = 10 mW 3.0 V
4
Data Sheet PL10136EJ03V0DS
ORDERING INFORMATION
NX8571SC -BA
With FC-PC connector
Without : Single channel
D : 4 channel tunable
Wavelength code : Refer to Table A
NX8571 Series
Package code
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (1/7)
Wavelength Code ITU-T Wavelength
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
*1
Frequency Monitor Slope
Data Sheet PL10136EJ03V0DS
5
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (2/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
409D 397 1539.76 194.70 Negative
401 1540.16 194.65 Positive
405 1540.55 194.60 Negative
409 1540.95 194.55 Positive
425D 413 1541.34 194.50 Negative
417 1541.74 194.45 Positive
421 1542.14 194.40 Negative
425 1542.53 194.35 Positive
441D 429 1542.93 194.30 Negative
433 1543.33 194.25 Positive
437 1543.73 194.20 Negative
441 1544.12 194.15 Positive
457D 445 1544.52 194.10 Negative
449 1544.92 194.05 Positive
453 1545.32 194.00 Negative
457 1545.72 193.95 Positive
473D 461 1546.11 193.90 Negative
465 1546.51 193.85 Positive
469 1546.91 193.80 Negative
473 1547.31 193.75 Positive
489D 477 1547.71 193.70 Negative
481 1548.11 193.65 Positive
485 1548.51 193.60 Negative
489 1548.91 193.55 Positive
505D 493 1549.31 193.50 Negative
497 1549.71 193.45 Positive
501 1550.11 193.40 Negative
505 1550.51 193.35 Positive
521D 509 1550.91 193.30 Negative
513 1551.31 193.25 Positive
517 1551.72 193.20 Negative
521 1552.12 193.15 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
6
Data Sheet PL10136EJ03V0DS
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (3/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
537D 525 1552.52 193.10 Negative
529 1552.92 193.05 Positive
533 1553.32 193.00 Negative
537 1553.73 192.95 Positive
553D 541 1554.13 192.90 Negative
545 1554.53 192.85 Positive
549 1554.94 192.80 Negative
553 1555.34 192.75 Positive
569D 557 1555.74 192.70 Negative
561 1556.15 192.65 Positive
565 1556.55 192.60 Negative
569 1556.95 192.55 Positive
585D 573 1557.36 192.50 Negative
577 1557.76 192.45 Positive
581 1558.17 192.40 Negative
585 1558.57 192.35 Positive
602D 589 1558.98 192.30 Negative
593 1559.38 192.25 Positive
597 1559.79 192.20 Negative
602 1560.20 192.15 Positive
618D 606 1560.60 192.10 Negative
610 1561.01 192.05 Positive
614 1561.41 192.00 Negative
618 1561.82 191.95 Positive
634D 622 1562.23 191.90 Negative
626 1562.64 191.85 Positive
630 1563.04 191.80 Negative
634 1563.45 191.75 Positive
650D 638 1563.86 191.70 Negative
642 1564.27 191.65 Positive
646 1564.67 191.60 Negative
650 1565.08 191.55 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
Data Sheet PL10136EJ03V0DS
7
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (4/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
667D 654 1565.49 191.50 Negative
659 1565.90 191.45 Positive
663 1566.31 191.40 Negative
667 1566.72 191.35 Positive
683D 671 1567.13 191.30 Negative
675 1567.54 191.25 Positive
679 1567.95 191.20 Negative
683 1568.36 191.15 Positive
700D 687 1568.77 191.10 Negative
691 1569.18 191.05 Positive
695 1569.59 191.00 Negative
700 1570.00 190.95 Positive
716D 704 1570.41 190.90 Negative
708 1570.82 190.85 Positive
712 1571.23 190.80 Negative
716 1571.65 190.75 Positive
733D 720 1572.06 190.70 Negative
724 1572.47 190.65 Positive
728 1572.88 190.60 Negative
733 1573.30 190.55 Positive
749D 737 1573.71 190.50 Negative
741 1574.12 190.45 Positive
745 1574.54 190.40 Negative
749 1574.95 190.35 Positive
766D 753 1575.36 190.30 Negative
757 1575.78 190.25 Positive
761 1576.19 190.20 Negative
766 1576.61 190.15 Positive
782D 770 1577.02 190.10 Negative
774 1577.44 190.05 Positive
778 1577.85 190.00 Negative
782 1578.27 189.95 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
8
Data Sheet PL10136EJ03V0DS
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (5/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
799D 786 1578.68 189.90 Negative
791 1579.10 189.85 Positive
795 1579.51 189.80 Negative
799 1579.93 189.75 Positive
816D 803 1580.35 189.70 Negative
807 1580.76 189.65 Positive
811 1581.18 189.60 Negative
816 1581.60 189.55 Positive
832D 820 1582.01 189.50 Negative
824 1582.43 189.45 Positive
828 1582.85 189.40 Negative
832 1583.27 189.35 Positive
849D 836 1583.69 189.30 Negative
841 1584.10 189.25 Positive
845 1584.52 189.20 Negative
849 1584.94 189.15 Positive
866D 853 1585.36 189.10 Negative
857 1585.78 189.05 Positive
862 1586.20 189.00 Negative
866 1586.62 188.95 Positive
883D 870 1587.04 188.90 Negative
874 1587.46 188.85 Positive
878 1587.88 188.80 Negative
883 1588.30 188.75 Positive
899D 887 1588.72 188.70 Negative
891 1589.14 188.65 Positive
895 1589.56 188.60 Negative
899 1589.98 188.55 Positive
916D 904 1590.41 188.50 Negative
908 1590.83 188.45 Positive
912 1591.25 188.40 Negative
916 1591.67 188.35 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
Data Sheet PL10136EJ03V0DS
9
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (6/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
933D 921 1592.10 188.30 Negative
925 1592.52 188.25 Positive
929 1592.94 188.20 Negative
933 1593.36 188.15 Positive
950D 937 1593.79 188.10 Negative
942 1594.21 188.05 Positive
946 1594.64 188.00 Negative
950 1595.06 187.95 Positive
967D 954 1595.48 187.90 Negative
959 1595.91 187.85 Positive
963 1596.33 187.80 Negative
967 1596.76 187.75 Positive
984D 971 1597.18 187.70 Negative
976 1597.61 187.65 Positive
980 1598.04 187.60 Negative
984 1598.46 187.55 Positive
6001D 988 1598.89 187.50 Negative
993 1599.32 187.45 Positive
997 1599.74 187.40 Negative
6001 1600.17 187.35 Positive
6018D 6006 1600.60 187.30 Negative
6010 1601.02 187.25 Positive
6014 1601.45 187.20 Negative
6018 1601.88 187.15 Positive
6035D 6023 1602.31 187.10 Negative
6027 1602.74 187.05 Positive
6031 1603.16 187.00 Negative
6035 1603.59 186.95 Positive
6053D 6040 1604.02 186.90 Negative
6044 1604.45 186.85 Positive
6048 1604.88 186.80 Negative
6053 1605.31 186.75 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
10
Data Sheet PL10136EJ03V0DS
NX8571 Series
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset) (7/7)
Wavelength Code ITU-T Wavelength
4 channel tunable single channel (nm) (THz)
6070D 6057 1605.74 186.70 Negative
6061 1606.17 186.65 Positive
6066 1606.60 186.60 Negative
6070 1607.03 186.55 Positive
6087D 6074 1607.46 186.50 Negative
6078 1607.89 186.45 Positive
6083 1608.32 186.40 Negative
6087 1608.76 186.35 Positive
*1 The value which omitted and computed the 3rd place below the decimal point
*1
Frequency Monitor Slope
Data Sheet PL10136EJ03V0DS
11
TYPICAL CHARACTERISTICS (TLD = 25°C, unless otherwise specified)
OPTICAL OUTPUT POWER FROM FIBER, MONITOR
SPECTRUM
0
–10
–20
–30
–40
–50
–60
Relative Intensity (dB)
–70
–80
1 529.1 1 539.1 1 549.1
1 534.1 1 544.1
Wavelength λ (nm)
CURRENT (P
30.0
(mW)
f
25.0
20.0
15.0
10.0
5.0
Optical Output Power from Fiber P
f
MONITOR) vs. FORWARD CURRENT
0
50 100 150 200
Forward Current IF (mA)
NX8571 Series
P
f
Im(Pf)
0.30
) (mA)
f
0.25
(P
m
0.20
0.15
Monitor) I
f
0.10
0.05
Monitor Current (P
0
THERMISTOR RESISTANCE vs.
AMBIENT TEMPERATURE
50
30
20
10
5
3
2
Thermistor Resistance R (kΩ)
1
02550
Ambient Temperature TA (˚C) Laser Set Temperature T
75 1510 20 25 30 35
Remark The graphs indicate nominal characteristics.
COOLER ELECTRIC POWER CONSUMPTION
vs. LASER SET TEMPERATURE
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Cooler Electric Power Consumption (W)
0.0
C
= 70˚C
T
set
(˚C)
12
Data Sheet PL10136EJ03V0DS
NX8571 Series
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.
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See CEL Terms and Conditions for additional clarification of warranties and liability.
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