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DATA SHEET
O K I F I B E R O P T I C P R O D U C T S
OL4121N-120 and OL4121N-140 High-Power Laser Diode Butterfly Modules (1480 nm, 120 mW/140 mW)
February 2000
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CONTENTS
OL4121N-120 and OL4121N-140 High-Power Laser Diode Butterfly Modules ...... 1
Oki Semiconductor
OL4121N-120 and OL4121N-140
High-Power Laser-Diode Butterfly Modules INTRODUCTION
Oki Semiconductor's OL4121N-120/OL4121N-140 family of 1480-nm high-power laser diodes are available in a 14-pin "butterfly" package which is designed for high-performance fiber-optic applications. The OL4121N-120 and OL4121N-140 diodes have a built-in thermo-electric cooler, thermistor, and isolator, and have a single-mode fiber pigtail. The OL4121N is available in two optional power levels: 120 mW or 140 mW. These laser diodes can be used as a pumping source for an Er- (erbium) doped fiber-optic amplifier. The high power output of the laser diodes in the OL4121N family supports the high-performance demands of Erbium-Doped Fiberoptic Amplifiers in Dense Wavelength Division Multiplex (DWDM-EDFA) systems and long-haul terrestrial networks.
FEATURES
* High power output: * * * * * Pf=120 mW (OL4121N-120) Pf=140 mW (OL4121N-140) 14-pin "butterfly" package Single-mode fiber Built-in isolator Includes photodiode for power monitoring Built-in thermo-electric cooler (TEC)
APPLICATION
* * * * WDM/DWDM systems Erbium-doped fiber amplifier Regeneration of data Fiber-optic long-haul terrestrial networks
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ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings (ambient temperature Ta = 25C unless otherwise noted)
Parameter Fiber Output Power OL4121N-120 OL4121N-140 Laser Diode Forward Current OL4121N-120 OL4121N-140 Laser Diode Reverse Voltage Photo Diode Reverse Voltage Operating Temperature Range Storage Temperature Range VR(LD) VR(PD) Topr Tstg IF(LD) Symbol Pf Ratings 130 160 750 800 2 15 -20 to +65 -40 to +70 Units mW mW mA mA V V C C
Exceeding these maximum ratings could cause immediate damage or lead to permanent deterioration of the device.
Optical and Electrical Characteristics (Ta = 25C)
Parameter Threshold Current Laser Diode Operating Current OL4121N-120 OL4121N-140 Laser Diode Operating Voltage Center Wavelength RMS Spectral Width Tracking Error PD Dark Current Monitor Current Thermoelectric Cooler Capacity Thermoelectric Cooler Current Thermoelectric Cooler Voltage Thermistor Resistance Vop(LD) c TER IDARK Im T ITEC VTEC Rth Symbol ITH Iop(LD) Test Conditions --Pf = 120 mW Pf = 140 mW Pf = 120 / 140 mW Pf = 120 / 140 mW Pf = 120 / 140 mW (RMS) IM = const., 0/ 25/ 65C VR(PD) = 5 V Pf = 120 / 140 mW, VR(PD) = 5 V Pf = 120 / 140 mW T = 40C, Pf = 120 / 140 mW T = 40C, Pf = 120 / 140 mW ----1460 ------100 40 ----9 --------------------Min. ----Typ. ----Max. 60 600 700 2.5 1490 10 +/-1.0 100 ----1.5 4.0 11 Units mA mA mA V nm nm dB nA A C A V K
Fiber Pigtail Specifications
Parameter Type Mode Field Diameter Cladding Diameter Jacket Diameter Length Connector Specifications SM 10 +/-1 125 +/-2 900 1.0 (Minimum) FC Units --m m m m ---
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Oki Semiconductor
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PACKAGE DIMENSIONS
(Units: mm)
30 26 20.83
8.0
5.4
5.35
d = 2.6
36 (min.) 12.7
16 26 1
5.6
0.48 0.2 0.35 0.2
2.54 17.78
0.25 0.1 0.2
14.7
1.52 8 Angled o2.5mm Ferrule
1000 (min.) 1100 (min.)
8.9
280 10
5.1
50 20
o0.9mm Loose Tube
Tolerance = 0.5 mm (unless noted otherwise)
TERMINAL CONNECTION (BOTTOM VIEW) #8 #9 #10 LD TH CASE PD #7 #6 #5 #4 #3 #2 #1 T.E.C (+) TH: T.E.C: #11 #12 #13 #14 (-) FIBER Thermistor Thermo-Electric Cooler
Pin Configuration
Pin No. 01 02 03 04 05 06 07 Description Thermo Electric Cooler (+) Thermistor PD Anode PD Cathode LD Anode NC NC Pin No. 08 09 10 11 12 13 14 NC NC LD Anode LD Cathode NC Thermistor and Case Ground Thermo Electric Cooler Cathode (-) Description
Oki Semiconductor
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Notes:
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Oki Semiconductor
The information contained herein can change without notice owing to product and/or technical improvements. Please make sure before using the product that the information you are referring to is up-to-date. The outline of action and examples of application circuits described herein have been chosen as an explanation of the standard action and performance of the product. When you actually plan to use the product, please ensure that the outside conditions are reflected in the actual circuit and assembly designs. Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited to, exposure to parameters outside the specified maximum ratings or operation outside the specified operating range. Neither indemnity against nor license of a third party's industrial and intellectual property right,etc.is granted by us in connection with the use of product and/or the information and drawings contained herein. No responsibility is assumed by us for any infringement of a third party's right which may result from the use thereof. When designing your product, please use our product below the specified maximum ratings and within the specified operating ranges, including but not limited to operating voltage, power dissipation, and operating temperature. The products listed in this document are intended for use in general electronics equipment for commercial applications (e.g.,office automation, communication equipment, measurement equipment, consumer electronics, etc.).These products are not authorized for use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property or death or injury to humans. Such applications include, but are not limited to: traffic control, automotive, safety, aerospace, nuclear power control, and medical, including life support and maintenance. Certain parts in this document may need governmental approval before they can be exported to certain countries. The purchaser assumes the responsibility of determining the legality of export of these parts and will take appropriate and necessary steps, at their own expense, for export to another country. Copyright 2000 Oki Semiconductor Oki Semiconductor reserves the right to make changes in specifications at anytime and without notice. This information furnished by Oki Semiconductor in this publication is believed to be accurate and reliable. However, no responsibility is assumed by Oki Semiconductor for its use; nor for any infringements of patents or other rights of third parties resulting from its use. No license is granted under any patents or patent rights of Oki.
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