NEC's EA MODULATOR
INTEGRATED InGaAsP MQW DFB
LASER DIODE MODULE
FOR 2.5 Gb/s ULTRALONG-REACH
360, 600, 240 km DWDM APPLICATIONS
NX8564LE
NX8565LE
NX8566LE
SERIES
FEATURES
INTEGRATED ELECTROABSORPTION MODULATOR
VERY LOW DISPERSION PENALTY:
Over 360 km (6480 ps/nm), NX8564LE-BC/CC
Over 600 km (10800 ps/nm), NX8565LE-BC/CC
Over 240 km (4320 ps/nm), NX8566LE-BC/CC
LOW MODULATION VOLTAGE
AVAILABLE FOR DWDM WAVELENGTH
BASED ON ITU-T RECOMMENDATION
100 GHz grid, refer to ORDERING INFORMATION
NEC's NX8564/8565/8566LE Series is an Electro-Absorption
(EA) modulator integrated, 1550 nm Multiple Quantum Well
(MQW) structured Distributed Feed-Back (DFB) laser diode.
The module is capable of 2.5 Gb/s applications of over 360
km, 600 km, 240 km ultralong-reach and available for Dense
Wavelength Division Multiplexing (DWDM) wavelengths
based on ITU-T recommendations, enabling a wide range of
applications.
DESCRIPTION
California Eastern Laboratories
PACKAGE DIMENSIONS
(Units in mm, unless otherwise specified 0.2mm)
NX8564/8565/8566LE SERIES
Pin
No.
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
Function
PIN CONNECTIONS
GND
GND
NC
GND
Signal Input (MOD),
50 RF Input
GND
GND
Thermistor
Thermistor
LD DC Bias
PD Anode
PD Cathode
Cooler Anode
Cooler Cathode
TOP VIEW
#8
#14
#7
#1
+
-
PD
LD
MOD
Cooler
Thermistor
Optical Fiber (SMF)
Length : 900 MIN.
29.970.25
8.0
0.75
5.4
8.0
Nose
Fiber
20.830.13
26.040.13
7
8
1
14
1.25
15.24
2.54
4 2.67
22.0 MAX.
1
2
.
7
0
.
1
5
10 MIN.
8.890.13
0.9
6.0 MAX.
NX8564/8565/8566LE SERIES
PARAMETER
SPECIFICATION
UNIT
Mode Field Diameter
9.30.5
m
Cladding Diameter
1251
m
Tight Buffer Diameter
900100
m
Cut-off Wavelength
< 1270
nm
Attenuation 1525 to 1575 nm
< 0.3
dB/km
Minimum Fiber Bending Radius
30
mm
Fiber Length
900 MIN.
mm
Flammability
UL1581 VW-1
OPTICAL FIBER CHARACTERISTICS
-CC : SC-UPC connector
-BC : FC-UPC connector
Fiber Length : 900 mm MIN.
352 mm
8.990.5 mm
NX8564/8565/8566LE SERIES
Table A: DWDM wavelength base on ITU-T recommendations
(@ T
LD
= T
set
) (1/2)
NX856 LE
-
CC : SC-UPC connector
BC : FC-UPC connector (option)
Without wavelength code : Wavelength is a certain point between
1528 to 1565 nm, 1579 to 1609 nm
With wavelength code : Refer to
Table A
4 : 360 km (6480 ps/nm)
5 : 600 km (10800 ps/nm)
6 : 240 km (4320 ps/nm)
Wavelength
Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
Wavelength Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
287
1528.77
196.10
485
1548.51
193.60
295
1529.55
196.00
493
1549.31
193.50
303
1530.33
195.90
501
1550.11
193.40
311
1531.11
195.80
509
1550.91
193.30
318
1531.89
195.70
517
1551.72
193.20
326
1532.68
195.60
525
1552.52
193.10
334
1533.46
195.50
533
1553.32
193.00
342
1534.25
195.40
541
1554.13
192.90
350
1535.03
195.30
549
1554.94
192.80
358
1535.82
195.20
557
1555.74
192.70
366
1536.60
195.10
565
1556.55
192.60
373
1537.39
195.00
573
1557.36
192.50
381
1538.18
194.90
581
1558.17
192.40
389
1538.97
194.80
589
1558.98
192.30
397
1539.76
194.70
597
1559.79
192.20
405
1540.55
194.60
606
1560.60
192.10
413
1541.34
194.50
614
1561.41
192.00
421
1542.14
194.40
622
1562.23
191.90
429
1542.93
194.30
630
1563.04
191.80
437
1543.73
194.20
745
1574.54
190.40
445
1544.52
194.10
753
1575.36
190.30
453
1545.32
194.00
761
1576.19
190.20
461
1546.11
193.90
770
1577.02
190.10
469
1546.91
193.80
778
1577.85
190.00
477
1547.71
193.70
786
1578.68
189.90
*1 The value which omitted and computed the 3rd place below the decimal point
ORDERING INFORMATION
PART NUMBER
PACKAGING
NX8564-AZ*
Butterfly Package
NX8565-AZ*
NX8566-AZ*
*NOTE:
Please refer to the last page of this data sheet, "Compliance with EU Directives" for Pb-Free RoHS Compliance Infomation.
NX8564/8565/8566LE SERIES
Table A: DWDM wavelength base on ITU-T recommendations
(@ T
LD
= T
set
) (1/2)
Wavelength
Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
Wavelength
Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
795
1579.51
189.80
946
1594.64
188.00
803
1580.35
189.70
954
1595.48
187.90
811
1581.18
189.60
963
1596.33
187.80
820
1582.01
189.50
971
1597.18
187.70
828
1582.85
189.40
980
1598.04
187.60
836
1583.69
189.30
988
1598.89
187.50
845
1584.52
189.20
997
1599.74
187.40
853
1585.36
189.10
6006
1600.60
187.30
862
1586.20
189.00
6014
1601.45
187.20
870
1587.04
188.90
6023
1602.31
187.10
878
1587.88
188.80
6031
1603.16
187.00
887
1588.72
188.70
6040
1604.02
186.90
895
1589.56
188.60
6048
1604.88
186.80
904
1590.41
188.50
6057
1605.74
186.70
912
1591.25
188.40
6066
1606.60
186.60
921
1592.10
188.30
6074
1607.46
186.50
929
1592.94
188.20
6083
1608.32
186.40
937
1593.79
188.10
*1 The value which omitted and computed the 3rd place below the decimal point
NX8564/8565/8566LE SERIES
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Optical Output Power from Fiber
P
f
10
mW
Forward Current of LD
I
FLD
150
mA
Reverse Voltage of LD
V
RLD
2.0
V
Forward Voltage of Modulator
V
FEA
1
V
Reverse Voltage of Modulator
V
REA
5
V
Forward Current of PD
I
FPD
1
mA
Reverse Voltage of PD
V
RPD
10
V
Cooler Current
I
C
1.5
A
Cooler Voltage
V
C
2.5
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
NX8564/8565/8566LE SERIES
ELECTRO-OPTICAL CHARACTERISTICS
(
T
LD
= T
set
, T
C
= -20 to +70C, unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Laser Set Temperature
T
set
*1
20
35
C
Operating Current
I
op
50
60
80
mA
Modulation Center Voltage
V
center
Under modulation
*2
-
1.5
-
1.2
-
0.5
V
Modulation Voltage
V
mod
Under modulation
*2
2
3
V
Forward Voltage of LD
V
FLD
I
FLD
= I
op
1.6
2.0
V
Threshold Current
I
th
7
20
mA
Optical Output Power from Fiber
P
f
I
FLD
= I
op
, Under modulation
*2
(NX8564/65LE Series)
-
5
-
2
dBm
I
FLD
= I
op
, Under modulation
*2
(NX8566LE Series)
0
1
Peak Emission Wavelength
p
I
FLD
= I
op
, V
EA
= 0 V
1528
ITU-T
*3
1565
nm
1574
1609
Side Mode Suppression Ratio
SMSR
I
FLD
= I
op
, V
EA
= 0 V
30
> 37
dB
Extinction Ratio
ER
I
FLD
= I
op
, Under modulation
*2
10
> 11
dB
Rise Time
t
r
I
FLD
= I
op
, 20-80%, Under modulation
*2
70
125
ps
Fall Time
t
f
I
FLD
= I
op
, 80-20%, Under modulation
*2
70
125
ps
Dispersion Penalty
DP
I
FLD
= I
op
, Under modulation
*2, 4
< 1.5
2.0
dB
Isolation
I
s
23
dB
Relative Intensity Noise
RIN
10 MHz to 10 GHz, V
EA
= 0 V, I
FLD
= I
op
< -135
-
130
dB/
Hz
Input Return Loss
S
11
I
FLD
= I
op
, V
EA
= -1 V, 50 ,
f = 130 MHz to 2 GHz
-
8
dB
I
FLD
= I
op
, V
EA
= -1 V, 50 ,
f = 2 to 2.5 GHz
-
5
*1 NX8564/65/66LE Series
: T
set
is a certain point between 20 and 35C
NX8564/65/66LE Series : T
set
is set at a certain point between 20 and 35C for ITU-T grid wavelength
*2 NX8564LE : C-band 360 km, L-band 288 km (6480 ps/nm) SMF under modulation
NX8565LE : C-band 600 km, L-band 480 km (10800 ps/nm) SMF under modulation
NX8566LE : C-band 240 km, L-band 192 km (4320 ps/nm) SMF under modulation
2.48832 Gb/s, PRBS 2
23
-
1, V
EA
= V
center
1/2V
mod
, I
FLD
= I
op
, T
LD
= T
set
, NEC Test System
V
center
: a certain point between -1.5 and -0.5 V
V
mod
: a certain point 3 V or below
I
op
: 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
NX8564/8565/8566LE SERIES
ELECTRO-OPTICAL CHARACTERISTICS
(
Applicable to Monitor PD: T
LD
= T
set
, T
C
= -20 to +70C, unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Monitor Current
I
m
V
RPD
= 5 V, I
FLD
= I
op
, V
EA
= 0 V
20
100
1000
A
Dark Current
I
D
V
RPD
= 5 V, V
EA
= 0 V
10
nA
Terminal Capacitance
C
t
V
RPD
= 5 V, f = 1 MHz
15
pF
Tracking Error
*1
I
m
= const.
0.5
dB
*1 Tracking Error:
P
f
(mW)
0
I
m
I
m
T
LD
= T
set
, T
C
= 25C
T
LD
= T
set
, T
C
= -20 to +70C
P
op
P
f
= 10 log
[dB]
P
f
P
op
ELECTRO-OPTICAL CHARACTERISTICS
(
Applicable to Thermistor and TEC: T
C
= -20 to +70C)
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Thermistor Resistance
R
T
LD
= 25C
9.5
10.0
10.5
k
B Constant
B
3350
3450
3550
K
TEC Current
I
C
T
LD
= T
set
1.2
A
TEC Voltage
V
C
T
LD
= T
set
2.4
V
NX8564/8565/8566LE SERIES
ELECTRO-OPTICAL CHARACTERISTICS
(
Applicable to Monitor PD: T
LD
= T
set
, T
C
= -20 to +70C, unless otherwise specified)
4.0
3.0
2.0
1.0
0
50
100
150
0
5
10
15
20
25
0
1
2
3
Optical Output Power from Fiber
P
f
(mW)
Forward Current I
F
(mA)
OPTICAL OUTPUT POWER FROM
FIBER (CW) vs. FORWARD CURRENT
EXTINCTION RATIO vs.
MODULATOR VOLTAGE
Extinction Ratio ER (dB)
Reverse Voltage of Modulator V
REA
(V)
2.0
1.5
1.0
0.5
0
50
100
150
FORWARD CURRENT vs.
FORWARD VOLTAGE
Forward Current
I
F
(mA)
Forward Voltage V
F
(V)
50
30
20
10
1
2
3
5
0
60
50
75
10
20
70
30
40
Thermistor Resistance R (k
)
Ambient Temperature T
A
(C)
THERMISTOR RESISTANCE vs.
AMBIENT TEMPERATURE
SPECTRUM
Relative Intensity (dB)
Wavelength (nm)
-10
-30
-50
-70
0
-20
-40
-60
1540.0
1550.0
1560.0
1555.0
1545.0
ELECTRO-OPTICAL CHARACTERISTICS
(
T
LD
= T
set
, T
C
= 25C, unless otherwise specified)
Remark The graphs indicate nominal characteristics.
NX8564/8565/8566LE SERIES
Remark The graphs indicate nominal characteristics.
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.
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
08/24/2004
TX
RX
EDFA
120 km
120 km
120 km
120 km
120 km
2.5 Gb/s
EDFA
EDFA
EDFA
EDFA
EDFA
600 km STANDARD FIBER TRANSMISSION EXAMPLE (NX8565LE Series)
Test Setup
-40
-38
-36
-34
-32
10
-6
10
-7
10
-8
10
-9
10
-10
10
-11
10
-12
ERROR RATE CHARACTERISTICS
Bit Error Rate
Received Power (dBm)
-42
10
-5
10
-4
10
-13
back to back
after 600 km
EYE DIAGRAM
-30
-28
Back to Back (100 ps/div.)
After 600 km (100 ps/div.)
Relative Intensity (20 mV/div
.)
Relative Intensity (10 mV/div
.)
2.48832 Gb/s,
NRZ 2 V
P-P
,
PRBS 2
23
-1,
I
op
= 70 mA,
T
C
= 25C,
V
center
= -1.2 V,
V
mod
= 2.0 V
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
integrate information from third parties. CEL has taken and continues to take reasonable steps to provide representative and accurate
information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. CEL and CEL
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.
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