NX6504 Datasheet, PDF (1/4 Pages) California Eastern Labs – 1550 nm InGaAsP MQW DFB LASER DIODE IN CAN PACKAGE FOR FIBER OPTIC COMMUNICATIONS

NEC's1550 nm InGaAsP MQW DFB
LASER DIODE IN CAN PACKAGE NX6504 Series
FOR FIBER OPTIC COMMUNICATIONS
FEATURES
• OPTICAL OUTPUT POWER:
PO = 5.0 mW
• LOW THRESHOLD CURRENT:
ITH = 12 mA
• HIGH SPEED:
tr, tf = 0.5 ns MAX
• SMSR:
45 dB
• WIDE OPERATING TEMPERATURE RANGE:
TC = -10 to +85°C
• InGaAs MONITOR PIN-PD
• CAN PACKAGE:
ø5.6 mm
• BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX6504 Series is a 1550 nm Multiple Quantum Well
(MQW) structured Distributed Feed-Back (DFB) laser diode
with InGaAs monitor PIN-PD. This device is ideal for Synchro-
nous Digital Hierarchy (SDH) system, STM-1/OC-3, STM-4/
OC-12 and ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified)
PART NUMBER
NX6504 Series
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
VOP
Operating Voltage, PO = 5.0 mW, TC = -10 to +85°C
V
–
1.0
ITH
Threshold Current
mA
–
12
TC = 85°C
mA
–
35
PTH
Threshold Output Power, TC = -10 to +85°C, IF = ITH
µW
–
–
ηd
Differential Efficiency
W/A
0.15
0.25
∆ηd
Temperature Dependence
of Differential Efficiency
∆ηd
=
10
log
ηd
ηd
(@
(@
85°C)
25°C)
dB
-3.0
-1.5
λp
Peak Emission Wavelength,
PO = 5.0 mW, RMS (-20 dB), TC = -10 to +85°C
nm
1530
–
SMSR
Side mode Suppression Ratio
PO = 5.0 mW, TC = -10 to +85°C
dB
30
45
θ⊥
Vertical Beam Angle¹,(Refer to Definitions)
PO = 5.0 mW, FAHM²
deg
–
30
θ||
Lateral Beam Angle¹, PO = 5.0 mW, FAHM²
deg
–
25
tr
Rise Time, 10 to 90%
ns
–
0.05
tf
Fall Time, 10 to 90%
ns
–
0.2
Im
Monitor Current, PO = 5.0 mW, VR = 5 V
µA
200
600
ID
Monitor Dark Current,
VR = 5 V
nA
–
0.1
VR = 5 V, TC = -10 to +85°C
nA
–
–
Ct
Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz
pF
–
6
γ
Tracking Error³ Im = const, (@ PO = 5.0 mW, TC = 25°C)
dB
-1.0
–
TC = -10 to +85°C
Notes:
1. Applicable only to NX6504S Series.
2. FAHM: Full Angle at Half Maximum.
3. Tracking Error: γ
PO
(mW)
5.0
PO
TC = 25°C
| | γ =
10 log
PO
5.0
[dB]
TC = -10 to +85°C
MAX
1.5
25
50
200
–
–
1570
40
35
0.5
0.5
1000
10
500
20
1.0
0
Im
Im _(mA)
California Eastern Laboratories