PRELIMINARY DATA SHEET
NEC's EA MODULATOR
AND WAVELENGTH MONITOR
INTEGRATED 1550 nm
MQW-DFB LASER DIODE MODULE
FOR 10 Gb/s APPLICATIONS
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
NX8560SJ
Series
DESCRIPTION
NEC's NX8560SJ Series is an Electro-Absorption (EA) Modu-
lator and wavelength monitor intergraded, 1550 nm Multiple
Quantum Well (MQW) structured Distributed Feed-Back (DFB)
laser diode module. It is capable of transmitting up to 40 km
standard single mode
Þ
ber (dispersion: 800 ps/nm) for 10 Gb/s
applications with built in wavelength monitor.
ELECTRO-OPTICAL CHARACTERISTICS
(T
LD
= T
SET
, T
C
= -5 + 70°C, BOL unless otherwise speciÞed)
PART NUMBER
SYMBOLS
T
SET
I
op
V
CENTER
V
MOD
V
FLD
I
TH
P
f
λ
p
SMSR
ER
t
r
t
f
DP
I
S
S
11
PARAMETERS AND CONDITIONS
Laser Set Temperature
Operating Current
Modulation Center Voltage
Modulation Voltage
Forward Voltage of LD, I
FLD
= I
op
Threshold Current
Optical Output from Fiber, Under modulation
2
Peak Emission Wavelength, I
FLD
= I
op
, V
EA
= 0 V, T
LD
= T
SET
Side Mode Suppression Ratio, I
FLD
= I
op
, V
EA
= 0 V
Extinction Ratio, Under modulation
2
Rise Time, 20-80%, Under modulation
2
Fall Time, 80-20%, Under modulation
2
Dispersion Penalty, 800 ps/nm under modulation
2, 4
Optical Isolation
RF Return Loss,
I
FLD
= I
OP
, V
EA
= 1 V, 50
Ω,
f = 130 MHz to 5 GHz
I
FLD
= I
OP
, V
EA
= 1 V, 50
Ω,
f = 5 GHz to 10 GHz
1
NX8560SJ Series
UNITS
°C
mA
V
V
V
mA
dBm
nm
dB
dB
ps
ps
dB
dB
dB
dB
23
-10
-8
-8
-5
-3
1528
30
10
7
-2
ITU-T
3
> 37
11
40
40
2.0
1564
MIN
20
50
-2.0
2
60
TYP
MAX
35
80
-0.5
3
2.0
20
Note:
1. T
SET
is a certain point between 20°C and 35°C 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
.
California Eastern Laboratories
NX8560SJ Series
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Monitor PD: T
LD
= T
SET
, T
C
= -5 to +70°C, BOL)
PART NUMBER
SYMBOLS
I
m
(P
f
)
I
m
(λ
p
)
I
m
(λ)
|λ
1-
λ
2
|
η
λ
1
I
D
C
t
γ
2
Discrimination Slope, V
RPD
= 5V, I
FLD
= I
OP,
Locking point
Dark Current, V
RPD
= 5 V, V
EA
= 0 V
Terminal Capacitance, V
RPD
= 5 V, f = 1 Mhz
Tracking Error, I
m
= const.
PARAMETERS AND CONDITIONS
Monitor Current, V
RPD
= 5V, I
FLD
= I
OP
Monitor Current, V
RPD
= 5V, I
FLD
= I
OP,
Locking point
Operation Region
1
UNITS
µA
µA
%
pm
µA/pm
nA
pF
dB
MIN
10
5
25
90
0.24
10
15
0.5
NX8560SJ-CC
TYP
MAX
200
100
75
Note:
1. Operation region, Discrimination slope, Slope assignment.
η
λ
=
|
I
1
– I
2
|
|
λ
1
–
λ
2
|
I
m
@ 100%
I
1
:
I
m
@ 75%
Operation region
Locking Point
I
m
@ 100%
I
1
:
I
m
@ 75%
Operation region
Locking Point
I
m
(λ
p
)
I
m
(λ
p
)
I
2
:
I
m
@ 25%
I
m
@ 0%
0
λ
1
λ
p
λ
2
λ
(nm)
I
2
:
I
m
@ 25%
I
m
@ 0%
0
λ
1
λ
p
λ
2
λ
(nm)
Negative Slope
Positive Slope
2. Tracking Error:
γ
P
f
(mW)
T
LD
= T
set
, T
C
= 25 ºC
P
op
P
f
T
LD
= T
set
, T
C
= –20 to 70 ºC
γ
= 10 log
P
f
P
op
[dB]
0
I
m
I
m
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: T
C
= -5
PART NUMBER
SYMBOLS
R
B
I
C
V
C
PARAMETERS AND CONDITIONS
Thermistor Resistance, T
LD
= 25°C
B Constant
Cooler Current, T
LD
= T
set
Cooler Voltage, T
LD
= T
set
UNITS
kΩ
K
A
V
MIN
9.5
3350
to +70°C)
NX8560SJ Series
TYP
10.0
3450
MAX
10.5
3550
1.2
2.4
NX8560SJ Series
ABSOLUTE MAXIMUM RATINGS
1
(T
C
= 25°C, unless otherwise speciÞed)
SYMBOLS
P
f
I
FLD
V
RLD
VFm
VRm
I
FPD
V
RPD
I
C
V
C
T
C
T
STG
T
SLD
PARAMETERS
Optical Output from Fiber
Forward Current of LD
Reverse Voltage of LD
Forward Voltage of Modulator
Reverse Voltage of Modulator
Forward Current of PD
Reverse Voltage of PD
Cooler Current
Cooler Voltage
Operating Case Temperature
Storage Temperature
Lead Soldering
Temperature (3 s)
UNITS
mW
mA
V
V
V
mA
V
A
V
°C
°C
°C
RATINGS
10
150
2.0
1
4
1
10
1.5
2.5
-5 to +70
-40 to +85
350
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
NX8560SJ Series
ORDERING INFORMATION
NX8560SJ
CC: SC-UPC connector
BC: FC-UPC connector (option)
Wavelength code: Refer to Table A
TABLE A: DWDM wavelengths based on ITU-T recommendations (@ TLD = Tset)
Wavelength Code
287
291
295
299
303
307
311
315
318
322
326
330
334
338
342
346
350
354
358
362
366
370
373
377
381
385
389
393
397
401
405
409
413
417
421
425
429
433
437
441
445
449
453
ITU-T Wavelength
*1
(nm)
1528.773
1529.163
1529.553
1529.553
1530.334
1530.725
1531.116
1531.507
1531.898
1532.290
1532.681
1533.073
1533.465
1533.073
1534.250
1534.643
1535.036
1535.429
1535.822
1536.216
1536.643
1537.003
1537.397
1537.792
1538.186
1538.581
1538.976
1539.371
1539.766
1540.162
1540.557
1540.953
1541.349
1541.746
1542.142
1542.539
1542.936
1543.333
1543.730
1544.128
1544.526
1544.924
1545.322
Frequency
(THz)
196.10
196.05
196.00
195.95
195.90
195.85
195.80
195.75
195.70
195.65
195.60
195.55
195.50
195.45
195.40
195.35
195.30
195.25
195.20
195.15
195.10
195.05
195.00
194.95
194.90
194.85
194.80
194.75
194.70
194.65
194.60
194.55
194.50
194.45
194.40
194.35
194.30
194.25
194.20
194.15
194.10
194.05
194.00
Wavelength Code
457
461
465
469
473
477
485
489
493
497
501
505
509
513
517
521
525
529
533
537
541
545
549
553
557
561
565
569
573
577
581
585
589
593
597
602
606
610
614
618
622
626
630
ITU-T Wavelength
*1
(nm)
1545.720
1546.119
1546.518
1546.917
1547.316
1547.715
1548.515
1548.915
1549.315
1549.715
1550.116
1550.517
1550.918
1551.319
1551.721
1552.122
1552.524
1552.926
1553.329
1553.731
1554.134
1554.537
1554.940
1555.343
1555.747
1556.151
1556.555
1556.959
1557.363
1557.768
1558.173
1558.578
1558.983
1559.389
1559.794
1560.200
1560.606
1561.013
1561.419
1561.826
1562.233
1562.640
1563.047
Frequency
(THz)
193.95
193.90
193.85
193.80
193.70
193.70
193.60
193.55
193.50
193.45
193.40
193.35
193.30
193.25
193.20
193.15
193.10
193.05
193.00
192.95
192.90
192.85
192.80
192.75
192.70
192.65
192.60
192.55
192.50
192.45
192.40
192.30
192.30
192.25
192.20
192.15
192.10
192.05
192.00
191.95
191.90
191.85
191.80
Note:
1.
λ
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.
NX8560SJ Series
OUTLINE DIMENSIONS
(Units in mm)
15.24
2.54
4 -
φ2.67
10 MIN 1.25
7
8.89±0.13
1
22.0 MAX
0.9
6.0
12.7±0.15
5.4
#7
#1
-
+
Cooler
PD (P
f
)
Thermistor
PD (λ
p
)
LD
MOD
4.83
20.83±0.13
26.04±0.13
Optical Fiber (SMF)
Length : 900 MIN
8.0
5.08
PIN CONNECTIONS
PIN No.
1
2
3
4
5
6
7
FUNCTION
PD (λ
p
) Anode (-)
THERMISTOR
LD DC Bias (+)
PD (Pf) ANODE (-)
PD (λ
p
) AND
PD (Pf) CATHODE (+)
COOLER (+)
COOLER (-)
0.75
30.0
OPTICAL FIBER CHARACTERISTICS
PARAMETER
Mode Field Diameter
Cladding Diameter
Tight Buffer Diameter
Cut-off Wavelength
Attenuation 1525 to 1575
Minimum Fiber Bending Radius
Fiber Length
Flammability
UNITS SPECIFICATIONS
µm
9.3±0.5
µm
125±1
µm
900±100
nm
<1270
dB/km
<0.3
mm
30
mm
900 MIN
UL1581 VW-1
35±2 mm
8.99±0.5 mm
-CC : SC-UPC Connector
-BC : FC-UPC Connector
Fiber Length: 900 mm MIN.
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.
07/29/2003
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
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