NEC's EA MODULATOR
INTEGRATED InGaAsP MQW DFB
LASER DIODE IN BUTTERFLY PACKAGE
WITH GPO CONNECTOR
FOR 10 Gb/s DWDM APPLICATIONS
NX8560LJ
SERIES
FEATURES
• INTEGRATED ELECTROABSORPTION MODULATOR
• UP TO 40 km TRANSMISSION CAPABILITY
WITH STANDARD SINGLE MODE FIBER
(dispersion 800 ps/nm)
• LOW MODULATION VOLTAGE
• 7-PIN BUTTERFLY PACKAGE WITH GPO™
CONNECTOR
• AVAILABLE FOR DWDM WAVELENGTH
BASED ON ITU-T RECOMMENDATION
NEC's NX8560LJ Series are an Electro-Absorption (EA)
Modulator integrated, 1550 nm Multiple Quantum Well (MQW)
structured Distributed Feed-Back (DFB) laser diodes. It is ca-
pable of transmitting up to 40 km for 10 Gb/s applications by
using standard fiber dispersion 800 ps/nm and is available for
Dense Wavelength Multiplexing (DWDM) wavelength based
on ITU-T recommendations.
DESCRIPTION
California Eastern Laboratories
PACKAGE DIMENSIONS (Units in mm)
NX8560LJ SERIES
Pin No.
1
2
3
4
5
6
7
Function
PIN CONNECTIONS
Thermistor
Thermistor
LD DC Bias
PD Anode
PD Cathode
Cooler Anode
Cooler Cathode
Optical Fiber (SMF)
with SC Connector
Length : 900 MIN.
30.0
8.0
0.75
TOP VIEW
PD
+-
LD
#7 #1
MOD
Cooler Thermistor
5.08
5.4
20.83±0.13
26.04±0.13
7 1
1.25
15.24
2.54
4 – 2.67
φ
22.0 MAX.
12.7±0.15
10 MIN.
8.89±0.13
0.9
4.83
6.0 MAX.
7– 0.5
GPO
Connector
PARAMETER SPECIFICATION UNIT
Mode Field Diameter 9.3±0.5 μm
Cladding Diameter 125±1μm
Tight Buffer Diameter 900±100 μm
Cut-off Wavelength < 1 270 nm
Attenuation 1 525 to 1 575 nm < 0.3 dB/km
Minimum Fiber Bending Radius 30 mm
Fiber Length 900 MIN. mm
Flammability UL1581 VW-1
OPTICAL FIBER CHARACTERISTICS
-BC : FC-UPC connector
-CC : SC-UPC connector
Fiber Length : 900 mm MIN.
35±2 mm
8.99±0.5 mm
NX8560LJ SERIES
NX8560LJ -
CC : SC-UPC connector (standard)
BC : FC-UPC connector (option)
Without wavelength code : Wavelength is a certain point between
1 528 to 1 565 nm
With wavelength code : Refer to Table A
Wavelength
Code
ITU-T Wavelength *1
(nm)
Frequency
(THz)
Wavelength
Code
ITU-T Wavelength *1
(nm)
Frequency
(THz)
287 1528.77 196.10 501 1550.11 193.40
295 1529.55 196.00 509 1550.91 193.30
303 1530.33 195.90 517 1551.72 193.20
311 1531.11 195.80 525 1552.52 193.10
318 1531.89 195.70 533 1553.32 193.00
326 1532.68 195.60 541 1554.13 192.90
334 1533.46 195.50 549 1554.94 192.80
342 1534.25 195.40 557 1555.74 192.70
350 1535.03 195.30 565 1556.55 192.60
358 1535.82 195.20 573 1557.36 192.50
366 1536.60 195.10 581 1558.17 192.40
373 1537.39 195.00 589 1558.98 192.30
381 1538.18 194.90 597 1559.79 192.20
389 1538.97 194.80 606 1560.60 192.10
397 1539.76 194.70 614 1561.41 192.00
405 1540.55 194.60 622 1562.23 191.90
413 1541.35 194.50 630 1563.04 191.80
421 1542.14 194.40
429 1542.93 194.30
437 1543.73 194.20
445 1544.52 194.10
453 1545.32 194.00
461 1546.11 193.90
469 1546.91 193.80
477 1547.71 193.70
485 1548.51 193.60
493 1549.31 193.50
Table A: DWDM wavelength base on ITU-T recommendations (@ TLD = Tset)
PART NUMBER PACKAGE
NX8560LJ-AZ * 7-Pin Butterfly Package with GPO™
Connector
*NOTE:
Please refer to the last page of this data sheet, “Compliance with EU Directives” for Pb-Free RoHS Compliance Infomation.
ORDERING INFOMATION
NX8560LJ SERIES
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL RATINGS UNIT
Optical Output Power from Fiber Pf10 mW
Forward Current of LD IFLD 150 mA
Reverse Voltage of LD VRLD 2.0 V
Forward Voltage of Modulator VFEA 1 V
Reverse Voltage of Modulator VREA 4 V
Forward Current of PD IFPD 1 mA
Reverse Voltage of PD VRPD 10 V
Cooler Current IC1.5 A
Cooler Voltage VC2.5 V
Operating Case Temperature TC−20 to +70 °C
Storage Temperature Tstg −40 to +85 °C
Lead Soldering Temperature Tsld 350 (3 sec.) °C
NX8560LJ SERIES
ELECTRO-OPTICAL CHARACTERISTICS (TC = -25°C, unless otherwise specified)
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Laser Set Temperature Tset *1 20 35 °C
Operating Current Iop 50 60 80 mA
Modulation Center Voltage Vcenter −2.0 −0.5 V
Modulation Voltage Vmod 2.0 3.0 V
Forward Voltage of LD VFLD IFLD = Iop 2.0 V
Threshold Current Ith 7 20 mA
Optical Output Power from Fiber PfUnder modulation*2, Single channel −3−2 dBm
Under modulation*2,
DWDM wavelength based on ITU-T
recommendations
−1
Peak Emission Wavelength λpIFLD = Iop, VEA = 0 V, TLD = Tset 1 528 ITU-
T *3
1 565 nm
Side Mode Suppression Ratio SMSR IFLD = Iop, VEA = 0 V 30 > 37 dB
Extinction Ratio ER Under modulation*2 10 > 11 dB
Rise Time tr20-80%, Under modulation*2 40 ps
Fall Time tf80-20%, Under modulation*2 40 ps
Dispersion Penalty DP 40 km SMF under modulation*2, 4 2.0 dB
Optical Isolation Is23 dB
Input Return Loss S11 IFLD = Iop, VEA = −1 V,
f = 130 MHz to 5 GHz
−10 −8 dB
IFLD = Iop, VEA = −1 V,
f = 5 to 10 GHz
−8−5
*1 NX8560LJ Series : Tset is a certain point between 20 and 35°C
NX8560LJ××× Series : Tset is set at a certain point between 20 and 35°C for ITU-T grid wavelength
*2 40 km SMF under modulation, 9.95328 Gb/s, PRBS 223−1, VEA = Vcenter ± 1/2Vmod, IFLD = Iop, NEC Test System
Vcenter : a certain point between −2.0 and −0.5 V
Vmod : a certain point 3 V or below
Iop : a certain point between 50 and 80 mA
*3 Available for DWDM wavelengths based on ITU-T recommendations (100 GHz grid).
Please refer to ORDERING INFORMATION.
*4 BER = 10−10
NX8560LJ SERIES
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = Tset, TC = -20 to +70ºC)
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Monitor Current ImVRPD = 5 V, IFLD = Iop, VEA = 0 V 30 1 100 μA
Dark Current IDVRPD = 5 V, VEA = 0 V 10 nA
Terminal Capacitance CtVRPD = 5 V, f = 1 MHz 15 pF
Tracking Error γ *1 Im = const. 0.5 dB
*1 Tracking Error: γ
Pf
(mW)
0Im
Im
TLD = Tset, TC = 25ºC
TLD = Tset, TC = -20 to +70ºC
Pop
Pfγ = 10 log [dB]
Pf
Pop
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC: TC = -20 to +70ºC)
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
TEC Current ICTLD = Tset 1.2 A
TEC Voltage VCTLD = Tset 2.4 V
NX8560LJ SERIES
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
08/09/2004
Life Support Applications
These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably
be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify CEL for all damages resulting from such improper use or sale.
TYPICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified)
Remark The graphs indicate nominal characteristics.
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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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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suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for
release.
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
customer on an annual basis.
See CEL Terms and Conditions for additional clarification of warranties and liability.