NEC's EA MODULATOR
AND WAVELENGTH MONITOR
INTEGRATED 1550 nm
MQW-DFB LASER DIODE MODULE
FOR 10 Gb/s APPLICATIONS
NX8560SJ
Series
FEATURES
INTEGRATED ELECTRO-ABSORPTION MODULATOR
WAVELENGTH MONITOR FUNCTION
10 Gb/s TRANSMISSION UP TO 40 KM SSMF
7-PIN BUTTERFLY PACKAGE WITH GPO
CONNECTOR
AVAILABLE FOR DWDM WAVELENGTH
BASED ON ITU-T RECOMMENDATION
NEC's NX8560SJ Series is an Electro-Absorption (EA) Mod u -
la tor and wavelength monitor intergraded, 1550 nm Multiple
Quantum Well (MQW) struc tured Distributed Feed-Back (DFB)
laser diode module. It is capable of transmitting up to 40 km
standard single mode ber (dispersion: 800 ps/nm) for 10 Gb/s
applications with built in wavelength monitor.
DESCRIPTION
Note:
1. T
SET
is a certain point between 20C and 35C for ITU-T grid wavelength.
2. 40 km SMF under modulation, 9.95328 GB/S, PRBS 2
23_1
, V
EA
= V
CENTER
1/2V
MOD
, I
FLD
= I
op
, NEC Test System
V
center
: a certain point between -2.0 V and -0.5 V.
V
mod
: a certain point 3 V or below.
I
op
: a certain point between 50 mA and 80 mA.
3. Available for DWDM wavelength based on ITU-T recommendations (50 GHz grid). Please refer to ordering information.
4. BER = 10
-10
.
PART NUMBER NX8560SJ Series
SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX
T
SET
Laser Set Temperature
1
C 20 35
I
op
Operating Current mA 50 60 80
V
CENTER
Modulation Center Voltage V -2.0 -0.5
V
MOD
Modulation Voltage V 2 3
V
FLD
Forward Voltage of LD, I
FLD
= I
op
V 2.0
I
TH
Threshold Current mA 7 20
P
f
Optical Output from Fiber, Under modulation
2
dBm -3 -2
p
Peak Emission Wavelength, I
FLD
= I
op
, V
EA
= 0 V, T
LD
= T
SET
nm 1528 ITU-T
3
1564
SMSR Side Mode Suppression Ratio, I
FLD
= I
op
, V
EA
= 0 V dB 30 > 37
ER Extinction Ratio, Under modulation
2
dB 10 11
t
r
Rise Time, 20-80%, Under modulation
2
ps 40
t
f
Fall Time, 80-20%, Under modulation
2
ps 40
DP Dispersion Penalty, 800 ps/nm under modulation
2, 4
dB 2.0
I
S
Optical Isolation dB 23
S
11
RF Return Loss,
I
FLD
= I
OP
, V
EA
= 1 V, 50 , f = 130 MHz to 5 GHz dB -10 -8
I
FLD
= I
OP
, V
EA
= 1 V, 50 , f = 5 GHz to 10 GHz dB -8 -5
ELECTRO-OPTICAL CHARACTERISTICS
(T
LD
= T
SET
, T
C
= -5 + 70C, BOL unless otherwise speci ed)
California Eastern Laboratories
PRELIMINARY DATA SHEET
NX8560SJ Series
PART NUMBER NX8560SJ-CC
SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX
I
m
(P
f
) Monitor Current, V
RPD
= 5V, I
FLD
= I
OP
A 10 200
I
m
(
p
) Monitor Current, V
RPD
= 5V, I
FLD
= I
OP,
Locking point A 5 100
I
m
() Operation Region
1
% 25 75
|
1-
2
| pm 90
1
Discrimination Slope, V
RPD
= 5V, I
FLD
= I
OP,
Locking point A/pm 0.24
I
D
Dark Current, V
RPD
= 5 V, V
EA
= 0 V nA 10
C
t
Terminal Capacitance, V
RPD
= 5 V, f = 1 Mhz pF 15
2
Tracking Error, I
m
= const. dB 0.5
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Monitor PD: T
LD
= T
SET
, T
C
= -5 to +70C, BOL)
Note:
1. Operation region, Discrimination slope, Slope assignment.
PART NUMBER NX8560SJ Series
SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX
R Thermistor Resistance, T
LD
= 25C k 9.5 10.0 10.5
B B Constant K 3350 3450 3550
I
C
Cooler Current, T
LD
= T
set
A 1.2
V
C
Cooler Voltage, T
LD
= T
set
V 2.4
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: T
C
= -5 to +70C)
=
|
I
1
I
2
|
|
1
2
|
I
m
@ 0%
I
2
:
I
m
@ 25%
I
m
(
p
)
I
1
:
I
m
@ 75%
I
m
@ 100%
0
1
2
(nm)
p
Negative Slope
Operation region
Locking Point
I
m
@ 0%
I
2
:
I
m
@ 25%
I
m
(
p
)
I
1
:
I
m
@ 75%
I
m
@ 100%
0
1
2
(nm)
p
Positive Slope
Operation region
Locking Point
I
m
I
m
0
(mW)
P
f
P
op
P
f
T
LD
= T
set
, T
C
= 25 C
T
LD
= T
set
, T
C
= 20 to 70 C
=
P
f
P
op
10 log
[dB]
2. Tracking Error:
NX8560SJ Series
SYMBOLS PARAMETERS UNITS RATINGS
P
f
Optical Output from Fiber mW 10
I
FLD
Forward Current of LD mA 150
V
RLD
Reverse Voltage of LD V 2.0
VFm Forward Voltage of Modulator V 1
VRm Reverse Voltage of Modulator V 4
I
FPD
Forward Current of PD mA 1
V
RPD
Reverse Voltage of PD V 10
I
C
Cooler Current A 1.5
V
C
Cooler Voltage V 2.5
T
C
Operating Case Temperature C -5 to +70
T
STG
Storage Temperature C -40 to +85
T
SLD
Lead Soldering C 350
Temperature (3 s)
ABSOLUTE MAXIMUM RATINGS
1
(T
C
= 25C, unless otherwise speci ed)
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
ORDERING INFORMATION
NX8560SJ
CC: SC-UPC connector
BC: FC-UPC connector (option)
Wavelength code: Refer to Table A
NX8560SJ Series
Wavelength Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
Wavelength Code
ITU-T Wavelength
*1
(nm)
Frequency
(THz)
287
1528.773
196.10
457
1545.720
193.95
291
1529.163
196.05
461
1546.119
193.90
295
1529.553
196.00
465
1546.518
193.85
299
1529.553
195.95
469
1546.917
193.80
303
1530.334
195.90
473
1547.316
193.70
307
1530.725
195.85
477
1547.715
193.70
311
1531.116
195.80
485
1548.515
193.60
315
1531.507
195.75
489
1548.915
193.55
318
1531.898
195.70
493
1549.315
193.50
322
1532.290
195.65
497
1549.715
193.45
326
1532.681
195.60
501
1550.116
193.40
330
1533.073
195.55
505
1550.517
193.35
334
1533.465
195.50
509
1550.918
193.30
338
1533.073
195.45
513
1551.319
193.25
342
1534.250
195.40
517
1551.721
193.20
346
1534.643
195.35
521
1552.122
193.15
350
1535.036
195.30
525
1552.524
193.10
354
1535.429
195.25
529
1552.926
193.05
358
1535.822
195.20
533
1553.329
193.00
362
1536.216
195.15
537
1553.731
192.95
366
1536.643
195.10
541
1554.134
192.90
370
1537.003
195.05
545
1554.537
192.85
373
1537.397
195.00
549
1554.940
192.80
377
1537.792
194.95
553
1555.343
192.75
381
1538.186
194.90
557
1555.747
192.70
385
1538.581
194.85
561
1556.151
192.65
389
1538.976
194.80
565
1556.555
192.60
393
1539.371
194.75
569
1556.959
192.55
397
1539.766
194.70
573
1557.363
192.50
401
1540.162
194.65
577
1557.768
192.45
405
1540.557
194.60
581
1558.173
192.40
409
1540.953
194.55
585
1558.578
192.30
413
1541.349
194.50
589
1558.983
192.30
417
1541.746
194.45
593
1559.389
192.25
421
1542.142
194.40
597
1559.794
192.20
425
1542.539
194.35
602
1560.200
192.15
429
1542.936
194.30
606
1560.606
192.10
433
1543.333
194.25
610
1561.013
192.05
437
1543.730
194.20
614
1561.419
192.00
441
1544.128
194.15
618
1561.826
191.95
445
1544.526
194.10
622
1562.233
191.90
449
1544.924
194.05
626
1562.640
191.85
453
1545.322
194.00
630
1563.047
191.80
TABLE A: DWDM wavelengths based on ITU-T recommendations (@ TLD = Tset)
Note:
1. monitor slope: Channel frequency for 191.80 THz + 2n 0.05 THz is assigned on negative slope.
Channel frequency for 191.80 THz + (2n + 1) 0.05 THz is assigned on positive slope.
n is a positive integer including zero.
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.
NX8560SJ Series
OUTLINE DIMENSIONS
(Units in mm)
PARAMETER UNITS SPECIFICATIONS
Mode Field Diameter m 9.30.5
Cladding Diameter m 1251
Tight Buffer Diameter m 900100
Cut-off Wavelength nm <1270
Attenuation 1525 to 1575 dB/km <0.3
Minimum Fiber Bending Radius mm 30
Fiber Length mm 900 MIN
Flammability UL1581 VW-1
OPTICAL FIBER CHARACTERISTICS
8.990.5 mm
352 mm
Fiber Length: 900 mm MIN.
-CC : SC-UPC Connector
-BC : FC-UPC Connector
Optical Fiber (SMF)
Length : 900 MIN
30.0
0.75
20.830.13
26.040.13
15.24
7
1
2.54
22.0 MAX
4 -
2.67
1.25
0.9
10 MIN
8.890.13
12.70.15
6.0
8.0
#7
#1
Cooler
5.4
5.08
+
-
PD
PD (
p
)
(P
f
)
LD
Thermistor
MOD
4.83
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
07/29/2003
PIN No. FUNCTION
1 PD (
p
) Anode (-)
2 THERMISTOR
3 LD DC Bias (+)
4 PD (Pf) ANODE (-)
5 PD (
p
) AND
PD (Pf) CATHODE (+)
6 COOLER (+)
7 COOLER (-)
PIN CONNECTIONS
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