NEC's 1310 nm
InGaAsP MQW DFB LASER DIODE
IN COAXIAL PACKAGE
NX8300BE-CC
NX8300CE-CC
FOR 2.5 Gb/s APPLICATION
FEATURES
DESCRIPTION
• INTERNAL OPTICAL ISOLATOR
• HIGH-SPEED RESPONSE:
tr = 40 ps, tf = 100 ps
NEC's NX8300BE-CC and NX8300CE-CC are 1310 nm Dis-
tributed Feed-Back (DFB) laser diode coaxial modules with an
internal optical isolator. These modules are ideal as a light
source for Synchronous Digital Hierarchy (SDH) systems,
STM-16, short-haulS-16.1andlong-haulL-16.1ITU-Trecom-
mendations.
• PEAK EMISSION WAVELENGTH:
λp = 1310 nm
• OPTICAL OUTPUT POWER:
Pf = 2.0 mW
• WIDE OPERATING TEMPERATURE RANGE:
TC = 0 to +75°C
• InGaAs MONITOR PIN-PD
• WITH SC-UPC CONNECTOR
• BASED ON TELCORDIA RELIABILITY
ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +75°C, unless otherwise specified)
PART NUMBER
NX8300BE-CC, NX8300CE-CC
SYMBOLS
PARAMETERS AND CONDITIONS
Optical Output Power from Fiber, CW
Operating Voltage, Pf = 2.0 mW
UNITS
mW
V
mA
mA
MIN
TYP
2.0
1.2
15
MAX
Pf
VOP
ITH
1.6
25
45
Threshold Current
TC = +25°C
PTH
Threshold Output Power, IF = ITH
µW
50
IMOD
Modulation Current
Pf = 2.0 mW, TC = 25°C
Pf = 2.0 mW
mA
mA
11
10
20
35
40
ηd
Differential Efficiency
Pf = 2.0 mW, TC = 25°C
Pf = 2.0 mW
W/A
W/A
dB
0.060
0.050
-3
0.100
-1.6
0.150
0.200
∆ηd
Temperature Dependence of Differential Efficiency,
(@ T °C)
(@ 25 °C)
η
η
d
d
C
∆ηd = 10 log
Kink
λp
Kink, Pf = Up to 2.4 mW (Refer to defenitions)
Peak Emission Wavelength, Pf = 2.0 mW
Temperature Dependence of Peak Emission Wavelength nm/°C
Spectral Width, Pf = 2.0 mW, -20 dB down width
Side Mode Suppression Ratio, Pf = 2.0 mW
Relaxation Oscillation Frequency, Pf = 2.0mW
Rise Time, 10 to 90%, Ppk = 2.0 mW, IF = ITH
Fall Time, 90 to 10%, Ppk = 2.0 mW, IF = ITH
Monitor Current, VR = 5 V, Pf = 2.0 mW
%
nm
±20
1330
0.1
1285
30
1310
0.09
0.1
40
8.0
40
100
500
0.1
10
∆λ/∆T
∆λ
nm
dB
GHz
ps
ps
µA
1.0
SMSR
fr
tr
tf
Im
ID
125
200
1000
100
Monitor Dark Current
VR = 5 V, TC = 25 °C
VR = 5 V
nA
nA
50
500
Ct
LINm
γ1
Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz
Linearity, VR = 5 V, Pf = 0.2 to 2.0 mW (Refer to defenitions)
Tracking Error, Im = const.(Refer to defenitions)
pF
%
dB
1.0
20
10
1.0
0.5
California Eastern Laboratories