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NX6504 Datasheet(PDF) 1 Page - California Eastern Labs

Part No. NX6504
Description  1550 nm InGaAsP MQW DFB LASER DIODE IN CAN PACKAGE FOR FIBER OPTIC COMMUNICATIONS
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Maker  CEL [California Eastern Labs]
Homepage  http://www.cel.com
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NEC's1550 nm InGaAsP MQW DFB
LASER DIODE IN CAN PACKAGE
FOR FIBER OPTIC COMMUNICATIONS
NX6504 Series
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
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.
DESCRIPTION
California Eastern Laboratories
PART NUMBER
NX6504 Series
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
VOP
Operating Voltage, PO = 5.0 mW, TC = -10 to +85°CV
1.0
1.5
ITH
Threshold Current
mA
12
25
TC = 85°CmA
35
50
PTH
Threshold Output Power, TC = -10 to +85°C, IF = ITH
µW–
200
ηd
Differential Efficiency
W/A
0.15
0.25
∆ηd
Temperature Dependence
dB
-3.0
-1.5
of Differential Efficiency
λp
Peak Emission Wavelength,
PO = 5.0 mW, RMS (-20 dB), TC = -10 to +85°Cnm
1530
1570
SMSR
Side mode Suppression Ratio
PO = 5.0 mW, TC = -10 to +85°CdB
30
45
θ
Vertical Beam Angle1,(Refer to Definitions)
PO = 5.0 mW, FAHM2
deg
30
40
θ||
Lateral Beam Angle1, PO = 5.0 mW, FAHM2
deg
25
35
tr
Rise Time, 10 to 90%
ns
0.05
0.5
tf
Fall Time, 10 to 90%
ns
0.2
0.5
Im
Monitor Current, PO = 5.0 mW, VR = 5 V
µA
200
600
1000
ID
Monitor Dark Current,
VR = 5 V
nA
0.1
10
VR = 5 V, TC = -10 to +85°CnA
500
Ct
Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz
pF
6
20
γ
Tracking Error3 Im = const, (@ PO = 5.0 mW, TC = 25°C)
dB
-1.0
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
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified)
ηd (@ 85°C)
ηd (@ 25°C)
ηd = 10 log
γ =
|10 log
| [dB]
PO
5.0
TC = 25°C
TC = -10 to +85°C
PO
(mW)
5.0
PO
0
Im
Im
(mA)




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