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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.
1 550 nm InGaAsP MQW-DFB LASER DIODE MODULE
CW LIGHT SOURCE FOR DWDM APPLICATIONS
LASER DIODE
NX8562LF
The mark shows major revised points.
NEC Compound Semiconductor Devices, Ltd. 1998, 2005
Document No. PL10214EJ03V0DS (3rd edition)
Date Published September 2005 CP(K)
Printed in Japan
DESCRIPTION
The NX8562LF is a 1 550 nm Multiple Quantum Well (MQW) structured
Distributed Feed-Back (DFB) laser diode module with Polarization Maintain
Fiber (PMF).
It is designed as Continuous Wave (CW) light source and ideal for optical
transmission systems with external modulators. The device is available for
Dense Wavelength Division Multiplexing (DWDM) wavelengths based on ITU-
T recommendations, enabling a wide range of applications.
FEATURES
• Output power Pf = 20 mW MIN.
• Available for DWDM wavelengths based on ITU-T recommendations
(100 GHz grid, please refer to the ORDERING INFORMATION)
• Internal thermo-electric cooler and isolator
• Hermetically sealed 14-pin butterfly package
• Polarization maintain fiber pigtail
Data Sheet PL10214EJ03V0DS
2
NX8562LF
PACKAGE DIMENSIONS (UNIT: mm)
29.97±0.25
7.8±0.2
5.4
5.15
0.3
1.0
20.83±0.25
26.04±0.25
7
8
1
14
8.89±0.13 10 MIN.
15.24
20.8
12.7±0.2
6.0
0.9
1.25
2.54
0.5
4– 2.67
φ
TOP VIEW
PD L
+
–
R
LD
#8 #14
#7 #1
Optical Fiber (PMF)
Length: 1 000 MIN.
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 Anode
PD Cathode
Cooler Anode
Cooler Cathode
GND
GND
NC
LD Anode
LD Cathode
LD Anode
NC
Data Sheet PL10214EJ03V0DS 3
NX8562LF
OPTICAL FIBER DIMENSIONS (UNIT: mm)
Parameter Specification Unit
Outer Diameter 0.9±0.1 mm
Minimum Fiber Bending Radius 30 mm
Fiber Length 1 000 MIN. mm
Fiber Length: 1 000 mm MIN.
FC-PC Connector
PMF
Data Sheet PL10214EJ03V0DS
4
NX8562LF
ORDERING INFORMATION
NX8562LF -BA
With FC-PC Connector
Wavelength Code : Refer to Table A
Table A: DWDM wavelength based on ITU-T recommendations (@TLD = Tset) (1/2)
Wavelength Code ITU-T Wavelength*1 Frequency Wavelength Code ITU-T Wavelength*1 Frequency
(nm) (THz) (nm) (THz)
279 1 527.99 196.20 485 1 548.51 193.60
287 1 528.77 196.10 493 1 549.31 193.50
295 1 529.55 196.00 501 1 550.11 193.40
303 1 530.33 195.90 509 1 550.91 193.30
311 1 531.11 195.80 517 1 551.72 193.20
318 1 531.89 195.70 525 1 552.52 193.10
326 1 532.68 195.60 533 1 553.32 193.00
334 1 533.46 195.50 541 1 554.13 192.90
342 1 534.25 195.40 549 1 554.94 192.80
350 1 535.03 195.30 557 1 555.74 192.70
358 1 535.82 195.20 565 1 556.55 192.60
366 1 536.60 195.10 573 1 557.36 192.50
373 1 537.39 195.00 581 1 558.17 192.40
381 1 538.18 194.90 589 1 558.98 192.30
389 1 538.97 194.80 597 1 559.79 192.20
397 1 539.76 194.70 606 1 560.60 192.10
405 1 540.55 194.60 614 1 561.41 192.00
413 1 541.34 194.50 622 1 562.23 191.90
421 1 542.14 194.40 630 1 563.04 191.80
429 1 542.93 194.30 638 1 563.86 191.70
437 1 543.73 194.20 646 1 564.67 191.60
445 1 544.52 194.10 654 1 565.49 191.50
453 1 545.32 194.00 663 1 566.31 191.40
461 1 546.11 193.90 671 1 567.13 191.30
469 1 546.91 193.80 679 1 567.95 191.20
477 1 547.71 193.70 687 1 568.77 191.10
*1 The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10214EJ03V0DS 5
NX8562LF
Table A: DWDM wavelength based on ITU-T recommendations (@TLD = Tset) (2/2)
Wavelength Code ITU-T Wavelength*1 Frequency Wavelength Code ITU-T Wavelength*1 Frequency
(nm) (THz) (nm) (THz)
695 1 569.59 191.00 912 1 591.25 188.40
704 1 570.41 190.90 921 1 592.10 188.30
712 1 571.23 190.80 929 1 592.94 188.20
720 1 572.06 190.70 937 1 593.79 188.10
728 1 572.88 190.60 946 1 594.64 188.00
737 1 573.71 190.50 954 1 595.48 187.90
745 1 574.54 190.40 963 1 596.33 187.80
753 1 575.36 190.30 971 1 597.18 187.70
761 1 576.19 190.20 980 1 598.04 187.60
770 1 577.02 190.10 988 1 598.89 187.50
778 1 577.85 190.00 997 1 599.74 187.40
786 1 578.68 189.90 6006 1 600.60 187.30
795 1 579.51 189.80 6014 1 601.45 187.20
803 1 580.35 189.70 6023 1 602.31 187.10
811 1 581.18 189.60 6031 1 603.16 187.00
820 1 582.01 189.50 6040 1 604.02 186.90
828 1 582.85 189.40 6048 1 604.88 186.80
836 1 583.69 189.30 6057 1 605.74 186.70
845 1 584.52 189.20 6066 1 606.60 186.60
853 1 585.36 189.10 6074 1 607.46 186.50
862 1 586.20 189.00 6083 1 608.32 186.40
870 1 587.04 188.90 6091 1 609.19 186.30
878 1 587.88 188.80 6100 1 610.05 186.20
887 1 588.72 188.70 6109 1 610.92 186.10
895 1 589.56 188.60 6117 1 611.78 186.00
904 1 590.41 188.50
*1 The value which omitted and computed the 3rd place below the decimal point
Data Sheet PL10214EJ03V0DS
6
NX8562LF
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 = −20 to +70°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Laser Set Temperature Tset 20 35 °C
Forward Voltage VF Pf = 20 mW 1.2 1.5 V
Forward Current IF Pf = 20 mW 120 167 mA
Threshold Current Ith 20 40 mA
Optical Output Power from Fiber Pf IF = 167 mA 20 mW
Peak Emission Wavelength λp Pf = 20 mW, CW, TLD = Tset 1 527.99 ITU-T *1 1 611.78 nm
Spectral Line Width
∆
ν Pf = 20 mW, CW, 3 dB down 1 2 MHz
Side Mode Suppression Ratio SMSR Pf = 20 mW, CW 33 45 dB
Relative Intensity Noise RIN Pf = 20 mW, 20 MHz to 3 GHz −150 dB/Hz
Polarization Extinction Ratio *2 ext Pf = 20 mW, CW 20 dB
*1 Available for DWDM wavelengths based on ITU-T recommendations
(100 GHz grid, please refer to the ORDERING INFORMATION)
*2 Polarization state of LD is aligned parallel to the slow axis.
Data Sheet PL10214EJ03V0DS 7
NX8562LF
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Monitor PD: TLD = Tset, TC = −20 to +70°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Monitor Current Im Pf = 20 mW, VR = 5 V 100 2 000
µ
A
Dark Current ID VR = 5 V 10 nA
Tracking Error γ *1 Im = const. 0.5 dB
*1 γ = 10 log
P
f
(mW)
0I
m
I
m
T
LD
= T
set
, T
C
= 25˚C
T
LD
= T
set
, T
C
= –20 to +70˚C
(@ P
f
(25˚C) = 20 mW)
20
P
f
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: TLD = Tset, TC = −20 to +70°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Thermistor Resistance R TLD = 25°C 9.5 10.0 10.5 kΩ
B Constant B
3 350 3 450 3 550 K
Cooler Current IC
∆
T = 70 − Tset, Pf = 20 mW 1.0 A
Cooler Voltage VC
∆
T = 70 − Tset, Pf = 20 mW 2.0 V
Pf
20 mW
Data Sheet PL10214EJ03V0DS
8
NX8562LF
TYPICAL CHARACTERISTICS (TC = Tset, unless otherwise specified)
FORWARD CURRENT vs.
FORWARD VOLTAGE
Forward Current IF (mA)
Forward Voltage VF (V)
OPTICAL OUTPUT POWER FROM
FIBER vs. FORWARD CURRENT
Optical Output Power from Fiber Pf (mW)
Forward Current IF (mA)
30.0
25.0
20.0
15.0
10.0
5.0
040 80 120 160 200
OPTICAL OUTPUT POWER FROM
FIBER vs. MONITOR CURRENT
Optical Output Power from Fiber Pf (mW)
Monitor Current Im (mA)
120
100
80
60
40
20
00.4 0.8 1.2 1.6 2.0 2.4
24.0
20.0
16.0
12.0
8.0
4.0
00.4 0.8 1.2 1.6 2.0
THERMISTOR RESISTANCE vs.
AMBIENT TEMPERATURE
Thermistor Resistance R (kΩ)
50
Ambient Temperature TA (°C)
30
20
10
1
2
3
5
02550
75
SPECTRUM
Relative Intensity (dB)
Wavelength λ (nm)
10
–10
–30
–50
–70
0
–20
–40
–60
1 540 1 550 1 560
Remark The graphs indicate nominal characteristics.
Data Sheet PL10214EJ03V0DS 9
NX8562LF
REFERENCE
Document Name Document No.
OPTICAL SEMICONDUCTOR DEVICES FOR FIBEROPTIC COMMUNICATIONS SELECTION GUIDE PL10161E
Opto-Electronics Devices Pamphlet PX10160E
Data Sheet PL10214EJ03V0DS
10
NX8562LF
When the product(s) listed in this document is subject to any applicable import or export control laws and regulation of the authority
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
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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
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Descriptions of circuits, software and other related information in this document are provided for illustrative
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Customers must check the quality grade of each semiconductor product before using it in a particular
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systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
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The quality grade of NEC semiconductor products is "Standard" unless otherwise expressly specified in NEC's
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and also includes its majority-owned subsidiaries.
(2) "NEC semiconductor products" means any semiconductor product developed or manufactured by or for
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•
•
•
•
•
•
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
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TEL: +852-3107-7303
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0504
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techinfo@ml.ncsd.necel.com (technical)
Sales Division TEL: +81-44-435-1573 FAX: +81-44-435-1579
For further information, please contact
NX8562LF
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 invisible, directly or indirectly, 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 ordinances when disposing of the product. If there are no applicable laws
and/or ordinances, dispose of the product as recommended below.
1. Commission a disposal company able to (with a license to) collect, transport and dispose of
materials that contain arsenic and other such industrial waste materials.
2. Exclude the product from general industrial waste and household garbage, and ensure that the
product is controlled (as industrial waste subject to special control) up until final disposal.
• Do not burn, destroy, cut, crush, or chemically dissolve 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 carefully to avoid injury from the damaged part
or fragments.
