PRELIMINARY DATA SHEET
NEC's EA MODULATOR
INTEGRATED InGaAsP MQW DFB
LASER DIODE MODULE WITH DRIVER
FOR 10 Gb/s APPLICATIONS
NX8560MC
SERIES
FEATURES
DESCRIPTION
NEC'sNX8560MCSeriesisanElectro-Absorption(EA)Modu-
lator integrated, 1550 nm Multiple Quantum Well (MQW)
structured Distributed Feed-Back (DFB) laser diode module
with an internal driver IC. It is capable of transmitting up to 40
km standard single mode fiber (dispersion: 800 ps/nm) for 10
Gb/s applications with built in wavelength monitor.
• INTEGRATED ELECTROABSORPTION MODULATOR
• INTERNAL DRIVER IC
• UP TO 40 km TRANSMISSION 10 Gb/s
(Dispersion: 800 ps/nm)
• 19-PIN MINI-BUTTERFLY PACKAGE
ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°C, TC = 0 to +75°C, BOL unless otherwise specified)
PART NUMBER
NX8560MC Series
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
°C
MIN
TYP
MAX
35
TSET
VFLD
Iop
Laser Set Temperature
20
25
Forward Voltage of LD, IFLD = Iop
Operating Current, TLD = Tset
Threshold Current, TLD = Tset
V
2.0
80
mA
mA
50
60
7
ITH
20
Pf
Optical Output from Fiber, Under modulation1
NX8560MC
NX8560MCS
dBm
dBm
-1
-5
+2
-1
λp
Peak Emission Wavelength, IFLD = Iop, VEA = 0 V,
TLD = TSET
nm
dB
1530
30
1565
SMSR
ER
Side Mode Suppression Ratio, IFLD = Iop, VEA = 0 V
Extinction Ratio, Under modulation1 NX8560MC
NX8560MCS
dB
dB
10
8.2
S11
Input Return Loss,IFLD = IOP, VEA = 1 V,
f = 130 MHz to 10 GHz
dB
ps
ps
dB
dB
V
-10
tr
tf
Rise Time, 20-80%, Under modulation1
Fall Time, 80-20%, Under modulation1
Dispersion Penalty, under modulation1, 2
Optical Isolation
40
40
DP
2.0
ISOL
VSS
25
Driver Power Supply Voltage
-5.5
-5.2
-5.0
300
ISS
Driver Power Supply Current
mA
V
VMOD
VB
Modulator Modulation Control Voltage
Modulator Bias Control Voltage
VSS
VSS
VSS+1.0
VSS+2.2
VSS+2.2
1.0
V
Vx1, Vx2
DIN, DINB
Cross Point Control Voltage, Cross Point: 50%
Data Input Voltage, Differential input, AC-coupled
V
VSS+0.8
0.5
Vpp
Notes:
1. 9.95328 Gb/s, PRBS 231_1, IFLD = Iop, TLD = TSET, NEC Test System.
Iop: a certain point between 50 mA and 80 mA.
Vm: a certain point between VSS and VSS+1.0 V.
Vb: a certain point between VSS and VSS+2.2 V.
Vx1 (Vx2): a certain point between VSS+0.8 V and VSS+2.2 V
2. BER = 10-10
California Eastern Laboratories