NX8504BE Datasheet, PDF (1/5 Pages) California Eastern Labs – NECs 1550 nm InGaAsP MQW DFB LASER DIODE IN COAXIAL PACKAGE for 622 Mb/s APPLICATION

NEC's 1550 nm
InGaAsP MQW DFB NX8504BE-CC
LASER DIODE IN COAXIAL PACKAGE ^NX8504CE-CC
for 622 Mb/s APPLICATION
FEATURES
• PEAK EMISSION WAVELENGTH:
λP = 1550 nm
• OPTICAL OUTPUT POWER:
Pf = 2.0 mW
• INTERNAL OPTICAL ISOLATOR
• InGaAs MONITOR PIN-PD
• WIDE OPERATING TEMPERATURE RANGE:
TC = -10 to +85°C
• WITH SC-UPC CONNECTOR
• BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX8504BE-CC and NX8504CE-CC are 1550 nm Dis-
tributed Feed-Back (DFB) laser diode coaxial modules with
optical isolator.
These modules are ideal as a light source for Synchronous
Digital Hierarchy (SDH) system, STM-4, long-haul L-4.2, L-4.3
ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS (TC = -10 to +85°C, unless otherwise specified)
PART NUMBER
NX8504BE-CC, NX8504CE-CC
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
Pf
Optical Output Power from Fiber, CW
mW
2.0
VOP
Operating Voltage, Pf = 2.0 mW
V
1.1
1.6
ITH
Threshold Current
TC = +25°C
mA
15
25
mA
2
50
PTH
Threshold Output Power, IF = ITH
µW
100
IMOD
Modulation Current
Pf = 2.0 mW, TC = 25°C
mA
11
20
35
Pf = 2.0 mW
mA
9
55
ηd
Differential Efficiency
Pf = 2.0 mW, TC = 25°C
W/A
0.060
Pf = 2.0 mW
W/A
0.036
∆ηd
Temperature Dependence of Differential Efficiency,
dB
-3
∆ηd
=
10
log
ηd (@ TC °C)
ηd (@ 25 °C)
0.100
-1.6
0.150
0.200
Kink
λp
∆λ/∆T
∆λ
SMSR
tr
tf
Im
ID
Ct
LINm
γ¹
Kink, Pf = Up to 2.4 mW (Refer to defenitions)
%
Peak Emission Wavelength, Pf = 2.0 mW
nm
Temperature Dependence of Peak Emission Wavelength nm/°C
Spectral Width, Pf = 2.0 mW, -20 dB down width
nm
Side Mode Suppression Ratio, Pf = 2.0 mW
dB
Rise Time, 10 to 90%, Ppk = 2.0 mW, IF = ITH
ns
Fall Time, 90 to 10%, Ppk = 2.0 mW, IF = ITH
ns
Monitor Current, VR = 5 V, Pf = 2.0 mW
µA
Monitor Dark Current
VR = 5 V, TC = 25 °C
nA
VR = 5 V
nA
Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz
pF
Linearity, VR = 5 V, Pf = 0.2 to 2.0 mW (Refer to defenitions) %
Tracking Error, Im = const. (Refer to defenitions)
dB
1530
30
200
1550
0.10
0.3
40
1000
1.0
10
1.0
0.5
±20
1570
0.12
1.0
0.5
0.5
2000
50
500
20
10
1.0
California Eastern Laboratories