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DATA SHEET
LASER DIODE
NDL7408P Series
1 310 nm InGaAsP STRAINED MQW DC-PBH LASER DIODE COAXIAL MODULE WITH SINGLE MODE FIBER
DESCRIPTION
NDL7408P Series is a 1 310 nm laser diode coaxial module with single mode fiber. It has a strained Multiple Quantum Well (st-MQW) structure and a built-in InGaAs monitor photo diode. It is recommended for junction or access network systems. The series is available in two types of output power: 1.0 mW and 0.2 mW.
FEATURES
* Center wavelength C = 1 310 nm 0.2 mW (NDL7408PL Series) * Low threshold current * High cut-off frequency * InGaAs monitor PIN-PD * Wide operating temperature range: -40 to +85 C * Based on Bellcore TA-NWT-000983 lth = 12 mA TYP. @TC = 25 C fC = 2.0 GHz * Two types of output power : 1.0 mW (NDL7408PK Series)
The information in this document is subject to change without notice.
Document No. P10532EJ3V0DS00 (3rd edition) Date Published June 1996 P Printed in Japan
The mark * shows major revised points.
(c)
1994
NDL7408P Series
*
PACKAGE DIMENSIONS (in millimeters)
NDL7408P
Optical Fiber SM-9/125 Length: 1 m
NDL7408P1
0.9
Optical Fiber SM-9/125 Length: 1 m
3.20.25 70.2
3.20.25 70.2
15 25.31.0 2.00.2 201.0
4.00.2
0.9
5 15 25.31.0
2- 2.2
4.10.8 5.30.8
201.0
0.450.05 61.0 12.70.2 17.00.2
5
0.450.05
60.1
PD
PD
43 12
70.2
43 12
1.00.1 3.70.3 7.20.3
P.C.D. = 2
4 1 LD CASE
3 2
P.C.D. = 2
4 1 LD CASE
3 2
NDL7408P2
Optical Fiber SM-9/125 Length: 1 m
NDL7408P4
0.9
12.60.2
3.20.25 70.2
12.60.2
21.01.0
Optical Fiber SM-9/125 Length: 1 m
6.30.2
5 15 25.61.0
12.60.2
5.10.1
0.50.2
70.2
5.10.2 10.20.2 3.60.5
2.51.0 19.51.0
0.3
0.3
4- 0.450.05
0.2
3.81 0.3
1.270.2 2.540.3
2.540.3
1
6
2 3 4 1
P.C.D. = 2 2- 2.5
70.2
PIN CONNECTIONS
2 PD 3 4 LD 1 CASE
2
3 4 3 2 1
4-0.5 PIN 1, 4, 5, 8
5 6 7 8
Pin No. 1 2 3 4 5 6 7 8
Function NC PD anode PD cathode NC NC LD cathode LD anode NC
120.15 16.0
4- 0.45 PIN 2, 3, 6, 7
2
NDL7408P Series
ORDERING INFORMATION
NDL7408
*
P : No Flange P1 : Flat Mount Flange P2 : Vertical Mount Flange K : 1.0 mW L : 0.2 mW No suffix : Without Connector C D
Part Number NDL7408PK NDL7408PKC NDL7408PKD NDL7408P1K NDL7408P1KC NDL7408P1KD NDL7408P2K NDL7408P2KC NDL7408P2KD NDL7408P4K NDL7408P4KC NDL7408P4KD NDL7408PL NDL7408PLC NDL7408PLD NDL7408P1L NDL7408P1LC NDL7408P1LD NDL7408P2L NDL7408P2LC NDL7408P2LD NDL7408P4L NDL7408P4LC NDL7408P4LD N 0.2 mW 8-pin DIP N 0.2 mW Vertical Flange N 0.2 mW Flat Mount Flange N 0.2 mW No Flange M 1.0 mW 8-pin DIP M 1.0 mW Vertical Flange M 1.0 mW Flat Mount Flange Ranks M 1.0 mW No Flange
: With FC-PC Connector : With SC-PC Connector
Description Without Connector
With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector
3
NDL7408P Series
ABSOLUTE MAXIMUM RATINGS (TC = 25 C, unless otherwise specified)
Parameter 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) Symbol IF VR IF VR TC Tstg Tsld Ratings Ith + 50 2.0 10 20 -40 to +85 -40 to +85 260 Unit mA V mA V C C C
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 C, unless otherwise specified)
Parameter Operating Voltage Threshold Current Symbol Vop Ith TC = +85 C Modulation Current Imod Pf = 1.0 mW @NDL7408PK Series Pf = 0.2 mW @NDL7408PL Series Differential Efficiency from Fiber for NDL7408PK Series Differential Efficiency from Fiber for NDL7408PL Series Center Emission Wavelength *1 Conditions MIN. TYP. 1.1 10 25 15 MAX. 1.3 25 50 30 mA Unit V mA
d
TC = +85 C
0.025 0.018 0.010 TC = +85 C 0.005 1 290 1 260
0.050 0.035 0.015 0.010 1 310 1 330 1 360 0.4 0.5
W/A
d
C
*1, RMS (-20 dB) TC = -40 to +85 C
nm
Temperature Dependence of Center Emission Wavelength Spectral Width
/T
TC = -40 to +85 C
nm/C
*1, RMS (-20 dB) TC = +85 C
1.3 1.5 2.0 0.2 0.3 100 700 0.1 0.5
2.5 4
nm
Cut-off Frequency Rise Time Fall Time Monitor Current of PD Dark Current of PD Tracking Error
fC tr tf Im ID
-3 dB 10 to 90 % 90 to 10 % VRD = 5 V, *1 VRD = 5 V Im = const., TC = -40 to +85 C
GHz 0.5 0.5 ns ns
A
10 1.0 nA dB
*2
*1 Pf = 1.0 mW @NDL7408PK Series Pf = 0.2 mW @NDL7408PL Series Pf *2 = 10 log XmW
XmW
Pf TC = 25 C TC = -40 to +85 C
X Pf
0
4
Im (@ Pf (25 C)= X mW) X = 1.0 mW @NDL7408PK Series X = 0.2 mW @NDL7408PL Series
Im
NDL7408P Series
TYPICAL CHARACTERISTICS (TC = -40 to +85 C)
OUTPUT POWER FROM FIBER vs. FORWARD CURRENT FOR NDL7408PL SERIES 0.5 Output Power from Fiber for NDL7408PL Series Pf (mW) TC = -40 C Output Power from Fiber for NDL7408PK Series Pf (mW) TC = +25 C 0.4 0.3 TC = +70 C TC = +85 C 1.5 TC = -40 C TC = +25 C 1.0 TC = +70 C TC = +85 C OUTPUT POWER FROM FIBER vs. FORWARD CURRENT FOR NDL7408PK SERIES
0.2
0.5
0.1
0
50
100
150
0
50
100
150
Forward Current IF (mA)
Forward Current IF (mA)
THRESHOLD CURRENT AND OPERATION CURRENT vs. CASE TEMPERATURE 100 Center Wavelength C (nm) Threshold Current Ith (mA) Operation Current Iop (mA) 50 30 20 10 5 3 2 1 -60 -40 -20 0 20 40 60 80 100 Iop (@ Pf = 0.2/1.0 mW) Ith 1 360
TEMPERATURE DEPENDENCE OF CENTER WAVELENGTH FOR NDL7408P SERIES
1 340
1 320
1 300
1 280
1 260 -60 -40
-20
0
20
40
60
80
100
Case Temperature TC (C) TEMPERATURE DEPENDENCE OF DIFFERENTIAL EFFICIENCY FROM FIBER FOR NDL7408PL SERIES 0.03 Differential Efficiency from Fiber for NDL7408PL Series d (W/A) Differential Efficiency from Fiber for NDL7408PK Series d (W/A) 0.10
Case Temperature TC (C) TEMPERATURE DEPENDENCE OF DIFFERENTIAL EFFICIENCY FROM FIBER FOR NDL7408PK SERIES
0.08
0.02
0.06
0.04
0.01
0.02 0 -60 -40 -20
0 -60 -40 -20
0
20
40
60
80
100
0
20
40
60
80
100
Case Temperature TC (C)
Case Temperature TC (C)
6
NDL7408P Series
TYPICAL CHARACTERISTICS (TC = 25 C)
LONGITUDINAL MODE FROM FIBER FOR NDL7408P SERIES 1.5 OUTPUT POWER FROM FIBER vs. LD MONITOR CURRENT
Output Power from Fiber Pf (mW)
Relative Intensity
NDL7408PK Series 1
0.5 NDL7408PL Series 0 0.5 1.0 1.5
1 300
1 310 Wavelength (nm) FORWARD CURRENT vs. FORWARD VOLTAGE FOR NDL7408P SERIES
1 320
LD Monitor Current Im (mA)
FREQUENCY RESPONSE (Pf = 0.2 / 1.0 (mW)) 9 6
50
Forward Current IF (mA)
Relative Intensity (dB)
40
3 0 -3 -6 -9 -12
30
20
10
0
1 Forward Voltage VF (V)
2
0
1
2
3
4
5
Modulation Frequency f (GHz)
7
NDL7408P Series
1.3 m FABRY-PEROT DC-PBH LASER DIODE FAMILY
Features Part Number Package Remarks With monitor photo diode With monitor photo diode Without TEC With monitor photo diode
5.6 mm Small Can 5.6 mm Small Can with Lens
4-pin Coaxial Module with SMF
NDL7001 NDL7001L NDL7401P Series NDL7408P Series
REFERENCE
Document Name NEC semiconductor device reliability/quality control system Quality grades on NEC semiconductor devices Semiconductor device mounting technology manual Guide to quality assurance for semiconductor devices Semiconductor selection guide Document No. LEI-1201 IEI-1209 C10535E MEI-1202 X10679E
8
NDL7408P Series
CAUTION
Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested. Please do not under any circumstances break the hermetic seal.
SEMICONDUCTOR LASER
NEC Building, 7-1, Shiba 5-chome, Minato-ku, Tokyo 108-01, Japan Type number: Manufactured: Serial number: This product conforms to FDA regulations as applicable to standards 21 CFR Chapter 1, Subchapter J.
INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM OUTPUT POWER mw MAX WAVELENGTH nm CLASS IIIb LASER PRODUCT
AVOID EXPOSURE-Invisible Laser Radiation is emitted from this aperture
The export of this product from Japan is prohibited without governmental license. To export or re-export this product from a country other than Japan may also be prohibited without a license from that country. Please call an NEC sales representative.
No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Corporation or others. While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC semiconductor device, customer must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices in "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance. Anti-radioactive design is not implemented in this product.
M4 94. 11

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