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Preliminary DATA SHEET
DFB LASER DIODE LC TOSA
DFB-1310-4X-LC
FEATURES:
Uncooled DFB laser diode 10km or 30km applications LC TOSA package Packaged with monitor photodiode Includes optical isolator Modulation speeds up to 4Gbps
The DFB-1310-4x-LC are designed to meet the challenges of high speed data and telecommunications applications over distances up to 20km over single mode optical fiber. In addition, these lasers are ideal for analog applications such as CATV and other video networks. The lasers are packaged in a hermetically sealed TO56 package and then packaged into a metal receptacle that is designed to meet very stringent optical wiggle requirements. The TOSA package includes a single stage optical isolator to minimize sensitivity to optical back reflections.
APPLICATION
Source for high-speed data-communication and telecommunication links CATV, Satellite, and other analog fiber optic networks
Part Number DFB-1310-4I-LC
Description DFB laser in LC TOSA with optical isolator for 10km applications
DFB-1310-4L-LC DFB laser in LC TOSA with optical isolator for 30km applications
DFB-1310-4X-LC
DFB LC LASER DIODE
ABSOLUTE MAXIMUM RATINGS
Parameter
Storage Temperature Case Operating Temperature Lead Solder Temperature Reverse Power Supply Voltage Peak Forward Continuous Current ESD Exposure (Human Body Model)
1Heel
Rating
-40C to +85C -40C to +85C 260C, 10 seconds 5V 100mA 200V1
and wrist straps must be used on a properly grounded worksatation
NOTICE: Stresses greater than those listed under "Absolute
Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operations section for extended periods of time may affect reliability.
NOTICE: The inherent design of this component causes it
to be sensitive to electrostatic discharge (ESD). To prevent ESD-induced damage and/or degradation to equipment, take normal ESD precautions when handling this product
DFB-1310-4X-LC ELECTRICAL-OPTICAL CHARACTERISTICS
Unless otherwise stated, all parameters are at TCASE = 25C, TRANGE, CASE = -40 to 85C, 2.488 Gbps, PRBS 231-1
Parameter
Threshold Current Operating Current Modulation Current Output Power
Test Conditions
T = 25C T = TRANGE T = 25C T = TRANGE T = 25C T = TRANGE IF = IOP
Symbol
ITH IOP IMOD LOP
Min.
Typ.
10 45
Max.
20 40 70
Units
mA mA mA
Notes
1 ER~4.5dB ER~6.5dB 10km option, 2 30km option, 2
25 60 -4.0 +2.5
dBm
Slope Efficiency
T = 25C, SMF
0.025 0.1
mW/mA
10km option 30km option
Extinction Ratio LA (wiggle) Wavelength Spectral Width Wavelength temperature coefficient Side Mode Suppression Relative Intensity Noise Modulation Bandwidth Rise / Fall Time Forward Voltage Laser Resistance Monitor Current Tracking Error Monitor Dark Current Monitor Diode Capacitance Optical Return Loss
T = TRANGE LA T = 25C T = TRANGE T = TRANGE T = TRANGE I=IOP, 20dB ORL, 0.16.0
9.0 1.5
dB dB nm nm, rms nm/C dB
3 4
/T
SMSR RIN20 S21,3dB Tr Tf
1290
1330 1.0 0.1
30 -120 4 6 90 90 1 2 80 -1.25 5 1.3 12 800 1.25 100 10 12
dB/Hz GHz ps V Ohms
5
6
I=IOP, T=TRANGE I=IOP, T=TRANGE T = 25C, I=IOP, VB=-2.5V T=TRANGE T=TRANGE, VB=-2.5V VB=-2.5V
Vf RL IMON TE ID CMON ORL
7
A
dB nA pF dB 8
Notes: 1. Operating current is the average bias current required to meet the ER, rise/fall, and bandwidth specifications. The target operating condition is 35 mA over threshold at high temperature, 30mA over threshold at RT. 2. Other output power range is possible per customer request. 3. TOSA would be capable of meeting other specifications when modulated over this ER range. 4. Maximum change in power as fiber is rotated by 360. 5. Measured with an optical receiver with a 3.125 Gb/s filter 6. Rise and fall times are measured 20-80% 7. Resistance is measured between ITH + 10mA and ITH + 20mA 8. Tracking error is defined as the coupled power difference at Tmax or Tmin (relative to 25C) where the back monitor current, Imon, is held constant at the value found at 25C at I=Iop.
DFB-1310-4X-LC
DFB LC LASER DIODE
PIN OUT
Number 1 2 3 4 Function Case LD Cathode PD Anode LD Anode / PD Cathode
MOUNTING DIMENSIONS
(for reference only): Dimensions in millimeters
DFB-1310-4X-LC
DFB LC LASER DIODE
ADVANCED OPTICAL COMPONENTS
Finisar's ADVANCED OPTICAL COMPONENTS division was formed through strategic acquisition of key optical component suppliers. The company has led the industry in high volume Vertical Cavity Surface Emitting Laser (VCSEL) and associated detector technology since 1996. VCSELs have become the primary laser source for optical data communication, and are rapidly expanding into a wide variety of sensor applications. VCSELs' superior reliability, low drive current, high coupled power, narrow and circularly symmetric beam and versatile packaging options (including arrays) are enabling solutions not possible with other optical technologies. ADVANCED OPTICAL COMPONENTS is also a key supplier of Fabrey-Perot (FP) and Distributed Feedback (DFB) Lasers, and Optical Isolators (OI) for use in single mode fiber data and telecommunications networks
AOC CAPABILITIES
ADVANCED OPTICAL COMPONENTS' advanced capabilities include: 1, 2, 4, 8, and 10Gbps serial VCSEL solutions 1, 2, 4, 8, and 10Gbps serial SW DETECTOR solutions VCSEL and detector arrays 1, 2, 4, 8, and 10Gbps FP and DFB solutions at 1310 and 1550nm 1, 2, 4, 8, and 10Gbps serial LW DETECTOR solutions Optical Isolators from 1260 to 1600nm range Laser packaging in TO46, TO56, and Optical subassemblies with SC, LC, and MU interfaces for communication networks VCSELs operating at 670nm, 780nm, 980nm, and 1310nm in development Sensor packages include surface mount, various plastics, chip on board, chipscale packages, etc. Custom packaging options
LOCATION
Allen, TX - Business unit headquarters, VCSEL wafer growth, wafer fabrication and TO package assembly. Fremont, CA - Wafer growth and fabrication of 1310 to 1550nm FP and DFB lasers. Shanghai, PRC - Optical passives assembly, including optical isolators and splitters.
SALES AND SERVICE
Finisar's ADVANCED OPTICAL COMPONENTS division serves its customers through a worldwide network of sales offices and distributors. For application assistance, current specifications, pricing or name of the nearest Authorized Distributor, contact a nearby sales office or call the number listed below.
Phone:1-866-MY-VCSEL USA (toll free) 1-214-509-2700 USA (Direct dial) 44 (0) 174 336 5533 Europe 886-935-409898 China & Taiwan 81-90-4437-1130 Japan 82-11-220-6153 Asia Pacific & Korea
Fax: 1-214-509-3709 USA
Email: salesAOCD@finisar.com WEB: www.finisar.com/aoc.php
(c)2007 Finisar Corporation. All rights reserved. Finisar is a registered trademark of Finisar Corporation. Features and specifications are subject to change without notice.
Rev. C 10/08

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