鈥?/div>
AVAILABLE FOR DWDM WAVELENGHT BASED ON
ITU-T RECOMMENDATION (50 GHz grid, refer to
ordering information)
NX8567SA
Series
DESCRIPTION
NEC's NX8567SA Series is an Electro-Absorption (EA) modu-
lator and wavelength monitor integrated, 1 550 nm Multiple
Quantum Well (MQW) structured Distributed Feed-Back (DFB)
laser diode module. The module is capable of 2.5 Gb/s ap-
plications of over 240 km, 360 km, 600 km ultralong-reach and
available for Dense Wavelength Division Multiplexing (DWDM)
wavelengths based on ITU-T recommendations, enabling a
wide range of applications
ELECTRO-OPTICAL CHARACTERISTICS
(T
LD
= Tset, T
C
= -5 to +70掳C, unless otherwise speci脼ed)
PART NUMBER
SYMBOLS
T
SET
I
OP
V
center
V
mod
V
FLD
I
TH
PARAMETERS AND CONDITIONS
Laser Set Temperature
1
Operating Current
Modulation Center Voltage
2
Modulation Voltage
2
Forward Voltage of LD, I
FLD
= I
OP
Threshold Current
I
FLD
= I
OP,
Under modulation
2
P
f
Optical Output Power from Fiber,
(NX8567SAM/SA Series)
I
FLD
= I
OP,
Under modulation
2
(NX8567SAS Series)
位
P
SMSR
ER
t
f
t
r
Peak Emission Wavelength, I
FLD
= I
OP
, V
EA
= 0 V
Side Mode Suppression Ratio, I
FLD
= I
OP
, V
EA
= 0 V
Extinction Ratio, I
FLD
= I
OP
, Under modulation
2
Rise Time, I
FLD
= I
OP
, 20-80%, Under modulation
2
Rise Time, I
FLD
= I
OP
, 80-20%, Under modulation
2
nm
dB
dB
ps
ps
dBm
0
1528
30
10
鈥?/div>
鈥?/div>
+1
ITU-T
3
40
11
鈥?/div>
鈥?/div>
鈥?/div>
1564
鈥?/div>
鈥?/div>
125
125
UNITS
掳C
mA
V
V
V
mA
MIN
20
50
-2.0
鈥?/div>
鈥?/div>
鈥?/div>
-5
60
鈥?/div>
2
鈥?/div>
7
-2
NX8567SA SERIES
TYP
MAX
35
80
-0.5
3
2.0
20
鈥?/div>
Notes:
1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength
2. 2.48832 Gb/s, PRBS 223 -1, V
EA
= V
center
卤
1/2 Vmod, I
FLD
= I
op
, TLD = Tset, NEC Test System
V
center
: a certain point between -2.0 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 wavelenght based on ITU-T recommendation (100 GHz grid). Please refer to ORDERING INFORMATION.
4. BER = 10
-10,
NX8567SAS: 240 km (4320 ps/nm)
BER = 10
-10,
NX8567SAM: 360 km (6480 ps/nm)
BER = 10
-10,
NX8567SA: 600 km (10800 ps/nm)
California Eastern Laboratories
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