NEC's 1310 nm InGaAsP MQW DFB LASER DIODE NX8303BG-CC IN COAXIAL PACKAGE NX8303CG-CC FOR 622 Mb/s APPLICATION
FEATURES
• PEAK EMISSION WAVELENGTH: λp = 1310 nm • OPTICAL OUTPUT POWER: Pf = 2.0 mW • WIDE OPERATING TEMPERATURE RANGE: Tc = -10 to +85°C • SIDE MODE SUPPRESSION RATIO SMSR = 40 dB • InGaAs MONITOR PIN-PD • WITH SC-UPC CONNECTOR • BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX8303BG-CC and NX8303CG-CC are 1310 nm Distributed Feed-Back (DFB) laser diode coaxial modules with an internal optical isolator. These modules are ideal as light sources for Synchronous Digital Hierarchy (SDH) systems, STM-4, long-haul L-4.1 ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS (TC = -10 to +85°C, unless otherwise specified)
PART NUMBER SYMBOLS Pf VOP ITH PTH IMOD PARAMETERS AND CONDITIONS Optical Output Power from Fiber, CW Operating Voltage, Pf = 2.0 mW Threshold Current Threshold Output Power, IF = ITH Modulation Current Differential Efficiency Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW TC = +25°C UNITS mW V mA mA µW mA mA W/A W/A dB 8 6 0.070 0.040 -3.5 20 0.100 -2.2 MIN NX8303BG-CC, NX8303CG-CC TYP 2.0 1.2 15 1.6 25 55 100 30 50 0.200 0.300 MAX
ηd
∆ηd
Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW Temperature Dependence of Differential Efficiency,
ηd (@ TC °C) ∆ηd = 10 log ηd (@ 25 °C)
Kink λp ∆λ/∆T ∆λ SMSR fc tr tf Im ID Ct LINm γ1 RIN Kink, Pf = Up to 2.4 mW (Refer to defenitions) Peak Emission Wavelength, Pf = 2.0 mW Temperature Dependence of Peak Emission Wavelength Spectral Width, Pf = 2.0 mW, -20 dB down width Side Mode Suppression Ratio, Pf = 2.0 mW Cut-off Frequency, -3 dB, VR = 5 V, Pf = 2.0 mW 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 Monitor Dark Current VR = 5 V, TC = 25 °C VR = 5 V % nm nm/°C nm dB GHz ns ns µA nA nA pF % dB dB/Hz 0.5 -135 200 30 1280 1310 0.09 0.1 40 2.0 0.15 0.15 700 0.1 10 1.0 0.5 0.5 1500 50 500 20 10 1.0 ±20 1335 0.1 1.0
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) Relative Intensity Noise, Ref = -14 dB
California Eastern Laboratories
NX8303BG-CC, NX8303CG-CC ABSOLUTE MAXIMUM RATINGS1
(TC = 25°C, unless otherwise specified) SYMBOLS Pf IF VR IF VR TC TSTG TSLD RH PARAMETERS Optical Output Power from Fiber Forward Current of LD Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Lead Soldering Temperature (10 s) Relative Humidity (noncondensing) UNITS RATINGS mW mA V mA V °C °C °C % 5 150 2.0 2.0 15 -10 to +85 -40 to +85 260 85
Note: 1. Operation in excess of any one of these parameters may result in permanent damage.
PARAMETER DEFINITIONS
Kink : kink
(mW) 2.4 dPo PK dPK IF - ηd Pf IF - Pf
kink =
x 100 [%] PK dPK = dPo MAX PK ≤ 2.4 (mW)
|dPK|
0 (mA)
IF
Linearity : LINm
Pf (mW) 2.0
LINm =
PK
|dPL| x 100 [%] PL
PL dPL dPo 0.2 0 Im (mA)
dPL = dPo MAX 0.2 < PL < 2.0 (mW)
Tracking Error : γ
Pf (mW) TC = 25°C
2.0 TC = -10 to +85°C Pf
Pf γ = |10 log 2.0
| [dB]
0
Im
Im (mA)
NX8303BG-CC, NX8303CG-CC TYPICAL PERFORMANCE CURVES (TC = 25°C unless otherwise specified)
OPERATING CURRENT AND THRESHOLD CURRENT vs. CASE TEMPERATURE
100
TEMPERATURE DEPENDENCE OF PEAK EMISSION WAVELENGTH
1320
IOP@Pf = 2 mW
Peak Emission Wavelength, λp (nm)
Threshold Current, ITH (mA) Operating Current, IOP (mA)
1315
ITH 10
1310
1305
1 -60
-40
-20
0
20
40
60
80
100
1300 -40
-20
0
20
40
60
80
100
Case Temperature, TC (°C)
Case Temperature, TC (°C)
TEMPERATURE DEPENDENCE OF DIFFERENTIAL EFFICIENCY FROM FIBER
FORWARD CURRENT vs. FORWARD VOLTAGE
100
Differential Efficiency From Fiber, ηd (W/A)
0.18
0.12
Forward Current, IF (mA)
-40 -20 0 20 40 60 80 100
80
60
40
0.06
20
0.00
0 0
0.5
1.0
1.5
2.0
2.5
Case Temperature(°C)
Forward Voltage, VF (V)
SPECTRUM
10 0
Relative Intensity (dB)
-10 -20 -30 -40 -50 -60 -70 1300
1310
1320
Wavelength, λ (nm)
Remark:The graphs indicate nominal characteristics.
NX8303BG-CC, NX8303CG-CC OUTLINE DIMENSIONS (Units in mm)
NX8303BG-CC
Optical Fiber (SMF) Length: 0.5 m With SC Connector ø7.0±0.2 ø0.9
NX8303CG-CC
Optical Fiber (SMF) Length: 0.5 m With SC Connector 6.0 18.3±1.0 ø7.0±0.2 ø0.9
6.0 15.0
8.0±0.3 3.2 4.0±0.2 2.2 ø2.2
25.5±1.0
8.0±0.3
28.3±1.0
0.5±0.3
7.3
0.5
1.2±0.2 ø0.45±0.05 20.0±1.0 12.7±0.2 17.0±0.2
PD 4 1 LD CASE 3 2
ø0.45±0.05
19.5±1.0
PD
2 1
CASE
P.C.D. = ø2.0
16.0 P.C.D. = ø2.0 4–R1.25±0.2 2 3 2–ø2.5 4 1
3 4 LD
1.0±0.1
7.2±0.3 3.7±0.3
7.0±0.2
8.5±0.2 12.0±0.15
ORDERING INFORMATION
PART NUMBER AVAILABLE CONNECTOR NX8303BG-CC NX8303CG-CC With SC-UPC Connector FLANGE TYPE Flat Mount Flange Vertical Mount Flange
OPTICAL FIBER CHARACTERISTICS
PARAMETER Mode Field Diameter Cladding Diameter Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Flammability UNITS SPECIFICATION µm µm % % mm nm mm mm 9.5±1 125±2 2 1.6 0.9±0.1 1100 to 1270 30 500±50
UL 1581 VW-1
35±2 mm 8.99±0.5 mm
SC-UPC Connector
Fiber Length: 500±50 mm
Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale.
03/03/2003
A Business Partner of NEC Compound Semiconductor Devices, Ltd.