PRELIMINARY DATA SHEET LASER DIODE NX8570 Series 1 550 nm CW LIGHT SOURCE InGaAsP MQW-DFB LASER DIODE MODULE WITH WAVELENGTH MONITOR DESCRIPTION The NX8570 Series is a 1 550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module with wavelength monitor function. This device is designed as CW light source and ideal for transmission systems in which external modulators are used. FEATURES • Wavelength monitor function (Etalon Filter, Wavelength monitor PD) • Output power Pf = 20 mW MIN. • Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid) • 4 chanel wavelength tunable capability for 50 GHz-spacing (NX8570S××××D) • Internal thermo-electric cooler and isolator • Hermetically sealed 14-pin butterfly package • Polarization maintain fiber pigtail The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices representative for availability and additional information. Document No. PL10135EJ01V0DS (1st edition) Date Published April 2002 CP(K) Printed in Japan NEC Compound Semiconductor Devices 2002 NX8570 Series PACKAGE DIMENSIONS (UNIT: mm) 15.24 2.54 8.89±0.13 10 MIN. 1.25 4– φ 2.67 8 14 12.7±0.2 1 6.0 7 0.9 20.8 0.5 20.83±0.25 26.04±0.25 5.15 1.0 0.3 8.2±0.2 5.4 Optical Fiber (PMF) Length: 1 000 MIN. 29.97±0.25 NX8570SC NX8570SA TOP VIEW TOP VIEW #7 #1 + – Cooler PD (Pf) PD (λp) LD #7 + – Cooler Thermistor #8 #14 PIN CONNECTIONS Pin No. 1 2 3 4 5 6 7 2 Function Thermistor Thermistor NC PD (Pf) Anode PD Cathode Cooler Anode Cooler Cathode #1 PD (Pf) Thermistor PD (λp) LD #8 #14 PIN CONNECTIONS Pin No. Function Pin No. 8 9 10 11 12 13 14 GND GND PD (λp) Anode LD Cathode, GND LD Anode GND GND 1 2 3 4 5 6 7 Function Thermistor Thermistor LD Cathode PD (Pf) Anode PD Cathode Cooler Anode Cooler Cathode Preliminary Data Sheet PL10135EJ01V0DS Pin No. 8 9 10 11 12 13 14 Function GND GND PD (λp) Anode LD Anode LD Cathode LD Anode NC NX8570 Series OPTICAL FIBER CHARACTERISTICS Parameter Outer Diameter Minimum Fiber Bending Radius Fiber Length Specification Unit 0.9±0.1 mm 30 mm 1 000 MIN. mm PMF FC-PC Connector Fiber Length: 1 000 mm MIN. Preliminary Data Sheet PL10135EJ01V0DS 3 NX8570 Series ORDERING INFORMATION Part Number Pin Connections (LD) NX8570SC×××-BA Fixed (Refer to table A) Anode floating NX8570SA×××-BA Wevelength Available Connector With FC-PC Connector Cathode ground With FC-PC Connector NX8570SC×××-CA *1 Anode floating With SC-PC Connector NX8570SA×××-CA *1 Cathode ground With SC-PC Connector NX8570SC×××D-BA Anode floating 4 channel tunable With FC-PC Connector NX8570SA×××D-BA Cathode ground (Refer to table B) With FC-PC Connector NX8570SC×××D-CA *1 Anode floating With SC-PC Connector NX8570SA×××D-CA *1 Cathode ground With SC-PC Connector *1 SC Connector: option 4 Preliminary Data Sheet PL10135EJ01V0DS NX8570 Series Table A: Part number for fixed wavelength product (1/3) Part Number Channel With FC-PC Connector (Standard) ITU-T Wavelength Frequency (nm) (THz) Monitor Slope NX8570SC303-BA 1 1530.334 195.90 Negative NX8570SC307-BA 2 1530.725 195.85 Positive NX8570SC311-BA 3 1531.116 195.80 Negative NX8570SC315-BA 4 1531.507 195.75 Positive NX8570SC318-BA 5 1531.898 195.70 Negative NX8570SC322-BA 6 1532.290 195.65 Positive NX8570SC326-BA 7 1532.681 195.60 Negative NX8570SC330-BA 8 1533.073 195.55 Positive NX8570SC334-BA 9 1533.465 195.50 Negative NX8570SC338-BA 10 1533.858 195.45 Positive NX8570SC342-BA 11 1534.250 195.40 Negative NX8570SC346-BA 12 1534.643 195.35 Positive NX8570SC350-BA 13 1535.036 195.30 Negative NX8570SC354-BA 14 1535.429 195.25 Positive NX8570SC358-BA 15 1535.822 195.20 Negative NX8570SC362-BA 16 1536.216 195.15 Positive NX8570SC366-BA 17 1536.609 195.10 Negative NX8570SC370-BA 18 1537.003 195.05 Positive NX8570SC373-BA 19 1537.397 195.00 Negative NX8570SC377-BA 20 1537.792 194.95 Positive NX8570SC381-BA 21 1538.186 194.90 Negative NX8570SC385-BA 22 1538.581 194.85 Positive NX8570SC389-BA 23 1538.976 194.80 Negative NX8570SC393-BA 24 1539.371 194.75 Positive NX8570SC397-BA 25 1539.766 194.70 Negative NX8570SC401-BA 26 1540.162 194.65 Positive NX8570SC405-BA 27 1540.557 194.60 Negative NX8570SC409-BA 28 1540.953 194.55 Positive NX8570SC413-BA 29 1541.349 194.50 Negative NX8570SC417-BA 30 1541.746 194.45 Positive NX8570SC421-BA 31 1542.142 194.40 Negative NX8570SC425-BA 32 1542.539 194.35 Positive NX8570SC429-BA 33 1542.936 194.30 Negative NX8570SC433-BA 34 1543.333 194.25 Positive NX8570SC437-BA 35 1543.730 194.20 Negative NX8570SC441-BA 36 1544.128 194.15 Positive Preliminary Data Sheet PL10135EJ01V0DS 5 NX8570 Series Table A: Part number for fixed wavelength product (2/3) Part Number Channel With FC-PC Connector (Standard) ITU-T Wavelength Frequency (nm) (THz) Monitor Slope NX8570SC445-BA 37 1544.526 194.10 Negative NX8570SC449-BA 38 1544.924 194.05 Positive NX8570SC453-BA 39 1545.322 194.00 Negative NX8570SC457-BA 40 1545.720 193.95 Positive NX8570SC461-BA 41 1546.119 193.90 Negative NX8570SC465-BA 42 1546.518 193.85 Positive NX8570SC469-BA 43 1546.917 193.80 Negative NX8570SC473-BA 44 1547.316 193.75 Positive NX8570SC477-BA 45 1547.715 193.70 Negative NX8570SC481-BA 46 1548.115 193.65 Positive NX8570SC485-BA 47 1548.515 193.60 Negative NX8570SC489-BA 48 1548.915 193.55 Positive NX8570SC493-BA 49 1549.315 193.50 Negative NX8570SC497-BA 50 1549.715 193.45 Positive NX8570SC501-BA 51 1550.116 193.40 Negative NX8570SC505-BA 52 1550.517 193.35 Positive NX8570SC509-BA 53 1550.918 193.30 Negative NX8570SC513-BA 54 1551.319 193.25 Positive NX8570SC517-BA 55 1551.721 193.20 Negative NX8570SC521-BA 56 1552.122 193.15 Positive NX8570SC525-BA 57 1552.524 193.10 Negative NX8570SC529-BA 58 1552.926 193.05 Positive NX8570SC533-BA 59 1553.329 193.00 Negative NX8570SC537-BA 60 1553.731 192.95 Positive NX8570SC541-BA 61 1554.134 192.90 Negative NX8570SC545-BA 62 1554.537 192.85 Positive NX8570SC549-BA 63 1554.940 192.80 Negative NX8570SC553-BA 64 1555.343 192.75 Positive NX8570SC557-BA 65 1555.747 192.70 Negative NX8570SC561-BA 66 1556.151 192.65 Positive NX8570SC565-BA 67 1556.555 192.60 Negative NX8570SC569-BA 68 1556.959 192.55 Positive NX8570SC573-BA 69 1557.363 192.50 Negative NX8570SC577-BA 70 1557.768 192.45 Positive NX8570SC581-BA 71 1558.173 192.40 Negative NX8570SC585-BA 72 1558.578 192.35 Positive 6 Preliminary Data Sheet PL10135EJ01V0DS NX8570 Series Table A: Part number for fixed wavelength product (3/3) Part Number Channel With FC-PC Connector (Standard) ITU-T Wavelength Frequency (nm) (THz) Monitor Slope NX8570SC589-BA 73 1558.983 192.30 Negative NX8570SC593-BA 74 1559.389 192.25 Positive NX8570SC597-BA 75 1559.794 192.20 Negative NX8570SC602-BA 76 1560.200 192.15 Positive NX8570SC606-BA 77 1560.606 192.10 Negative NX8570SC610-BA 78 1561.013 192.05 Positive NX8570SC614-BA 79 1561.419 192.00 Negative NX8570SC618-BA 80 1561.826 191.95 Positive NX8570SC622-BA 81 1562.233 191.90 Negative NX8570SC626-BA 82 1562.640 191.85 Positive NX8570SC630-BA 83 1563.047 191.80 Negative NX8570SC634-BA 84 1563.455 191.75 Positive NX8570SC638-BA 85 1563.863 191.70 Negative NX8570SC642-BA 86 1564.271 191.65 Positive NX8570SC646-BA 87 1564.679 191.60 Negative NX8570SC650-BA 88 1565.087 191.55 Positive Remark In case of cathode ground type, please replace SC with SA in part number. Preliminary Data Sheet PL10135EJ01V0DS 7 NX8570 Series Table B: Part number for 4 channel tunable product (1/3) Part Number Channel ITU-T Wavelength Frequency (nm) (THz) 1 1530.334 195.90 Negative 2 1530.725 195.85 Positive 3 1531.116 195.80 Negative 4 1531.507 195.75 Positive 5 1531.898 195.70 Negative 6 1532.290 195.65 Positive 7 1532.681 195.60 Negative 8 1533.073 195.55 Positive 9 1533.465 195.50 Negative 10 1533.858 195.45 Positive 11 1534.250 195.40 Negative 12 1534.643 195.35 Positive 13 1535.036 195.30 Negative 14 1535.429 195.25 Positive 15 1535.822 195.20 Negative 16 1536.216 195.15 Positive 17 1536.609 195.10 Negative 18 1537.003 195.05 Positive 19 1537.397 195.00 Negative 20 1537.792 194.95 Positive 21 1538.186 194.90 Negative 22 1538.581 194.85 Positive 23 1538.976 194.80 Negative 24 1539.371 194.75 Positive 25 1539.766 194.70 Negative 26 1540.162 194.65 Positive 27 1540.557 194.60 Negative 28 1540.953 194.55 Positive 29 1541.349 194.50 Negative 30 1541.746 194.45 Positive 31 1542.142 194.40 Negative 32 1542.539 194.35 Positive 33 1542.936 194.30 Negative 34 1543.333 194.25 Positive 35 1543.730 194.20 Negative 36 1544.128 194.15 Positive With FC-PC Connector (Standard) NX8570SC315D-BA NX8570SC330D-BA NX8570SC346D-BA NX8570SC362D-BA NX8570SC377D-BA NX8570SC393D-BA NX8570SC409D-BA NX8570SC425D-BA NX8570SC441D-BA 8 Preliminary Data Sheet PL10135EJ01V0DS Monitor Slope NX8570 Series Table B: Part number for 4 channel tunable product (2/3) Part Number Channel ITU-T Wavelength Frequency (nm) (THz) 37 1544.526 194.10 Negative 38 1544.924 194.05 Positive 39 1545.322 194.00 Negative 40 1545.720 193.95 Positive 41 1546.119 193.90 Negative 42 1546.518 193.85 Positive 43 1546.917 193.80 Negative 44 1547.316 193.75 Positive 45 1547.715 193.70 Negative 46 1548.115 193.65 Positive 47 1548.515 193.60 Negative 48 1548.915 193.55 Positive 49 1549.315 193.50 Negative 50 1549.715 193.45 Positive 51 1550.116 193.40 Negative 52 1550.517 193.35 Positive 53 1550.918 193.30 Negative 54 1551.319 193.25 Positive 55 1551.721 193.20 Negative 56 1552.122 193.15 Positive 57 1552.524 193.10 Negative 58 1552.926 193.05 Positive 59 1553.329 193.00 Negative 60 1553.731 192.95 Positive 61 1554.134 192.90 Negative 62 1554.537 192.85 Positive 63 1554.940 192.80 Negative 64 1555.343 192.75 Positive 65 1555.747 192.70 Negative 66 1556.151 192.65 Positive 67 1556.555 192.60 Negative 68 1556.959 192.55 Positive 69 1557.363 192.50 Negative 70 1557.768 192.45 Positive 71 1558.173 192.40 Negative 72 1558.578 192.35 Positive With FC-PC Connector (Standard) NX8570SC457D-BA NX8570SC473D-BA NX8570SC489D-BA NX8570SC505D-BA NX8570SC521D-BA NX8570SC537D-BA NX8570SC553D-BA NX8570SC569D-BA NX8570SC585D-BA Preliminary Data Sheet PL10135EJ01V0DS Monitor Slope 9 NX8570 Series Table B: Part number for 4 channel tunable product (3/3) Part Number Channel ITU-T Wavelength Frequency (nm) (THz) 73 1558.983 192.30 Negative 74 1559.389 192.25 Positive 75 1559.794 192.20 Negative 76 1560.200 192.15 Positive 77 1560.606 192.10 Negative 78 1561.013 192.05 Positive 79 1561.419 192.00 Negative 80 1561.826 191.95 Positive 81 1562.233 191.90 Negative 82 1562.640 191.85 Positive 83 1563.047 191.80 Negative 84 1563.455 191.75 Positive 85 1563.863 191.70 Negative 86 1564.271 191.65 Positive 87 1564.679 191.60 Negative 88 1565.087 191.55 Positive With FC-PC Connector (Standard) NX8570SC602D-BA NX8570SC618D-BA NX8570SC634D-BA NX8570SC650D-BA Remark In case of cathode ground type, please replace SC with SA in part number. 10 Preliminary Data Sheet PL10135EJ01V0DS Monitor Slope NX8570 Series ABSOLUTE MAXIMUM RATINGS Parameter Symbol Ratings Unit Forward Current of LD IF 300 mA Reverse Voltage of LD VR 2.0 V Forward Current of PD IF 10 mA Reverse Voltage of PD VR 20 V Operating Case Temperature TC −20 to +70 °C Storage Temperature Tstg −40 to +85 °C Lead Soldering Temperature Tsld 260 (10 sec.) °C ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°°C, TC = −5 to +70°°C, unless otherwise specified) Parameter Symbol Laser Set Temperature Tset Conditions 15 35 Pf = 20 mW 0.9 Operation Current Iop Pf = 20 mW Optical Output Power from Fiber Pf IF = 167 mA, TLD = Tset Threshold Output Power from Fiber Pth IF = Ith Peak Emission Wavelength λp Pf = 20 mW, CW, TLD = Tset Wevelength Stability − TLD = Tset, applicable to wavelength monitor, E.O.L Spectral Line Width ∆ν Pf = 20 mW, CW, 3 dB down Isolation Pf = 20 mW, CW Polarization Extinction Ratio ext Pf = 20 mW, CW 1.2 2.5 V 20 40 mA 120 167 mA 20 1 530 mW ITU-T −20 1 33 *1 100 µW 1 566 nm +20 pm 5 MHz 45 dB −145 Pf = 20 mW, 20 MHz to 3 GHz IS *2 °C 4 channel tunable Ith RIN Unit 35 Threshold Current Relative Intensity Noise MAX. 20 VF SMSR TYP. Fixed wavelength Forward Voltage Side Mode Suppression Ratio MIN. dB/Hz 30 dB 20 dB *1 Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid). Please refer to table A and B. *2 Polarization state of LD is aligned parallel to the slow axis. Preliminary Data Sheet PL10135EJ01V0DS 11 NX8570 Series ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = Tset, TC = −5 to +70°°C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Monitor Current (Pf Monitor) Im(Pf) Pf = 20 mW, VR = 5 V 30 300 µA Monitor Current (λp Monitor) Im(λp) Pf = 20 mW, VR = 5 V, Locking point 15 150 µA Im(λ) 25 75 % λ1−λ2 90 pm Discrimination Slope ηλ 0.05 µA/pm Dark Current ID VR = 5 V Tracking Error γ Im = const. *1 Operation Region *1 *2 2 10 nA 0.5 dB *1 Operation region, Discrimination slope, Slope assignment ηλ = Im(λ) I1 – I 2 [ µA/pm] λ1 – λ2 Im @100% Im(λ) Im @100% I1: Im @75% I2: Im @75% Operation region Locking point Im(λp) Im(λp) I2: Im @25% I1: Im @25% Operation region Locking point Im @0% Im @0% λ λ1 λp λ2 0 0 Negative Slope (Odd channel) λ λ1 λp λ2 Positive Slope (Even channel) *2 Tracking Error: γ Pf (mW) TLD = Tset 20 TLD = Tset, TC = –5 to +70˚C Pf 0 12 γ = 10 log Im Im Preliminary Data Sheet PL10135EJ01V0DS Pf 20 [dB] NX8570 Series ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC: TLD = 25°°C, TC = −5 to +70°°C) Parameter Symbol Conditions TLD = 25°C MIN. TYP. MAX. Unit 9.5 10.0 10.5 kΩ 3 350 3 450 3 550 K Thermistor Resistance R B Constant B Cooler Current IC ∆T = 70 − Tset, Pf = 20 mW 1.0 1.3 A Cooler Voltage VC ∆T = 70 − Tset, Pf = 20 mW 2.4 3.2 V Preliminary Data Sheet PL10135EJ01V0DS 13 NX8570 Series TYPICAL CHARACTERISTICS (TLD = 25°°C, unless otherwise specified) Optical Output Power from Fiber Pf (mW) 0 Relative Intensity (dB) –10 –20 –30 –40 –50 –60 –70 –80 1 529.1 1 534.1 1 539.1 1 544.1 30.0 0.30 Pf 25.0 0.25 20.0 0.20 15.0 0.15 Im(Pf) 10.0 0.10 5.0 0.05 50 0 1 549.1 Wavelength λ (nm) Cooler Electric Power Consumption (W) Thermistor Resistance R (kΩ) 30 20 10 5 3 2 50 75 Ambient Temperature TA (˚C) 4.0 TC = 70˚C 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 10 15 20 25 30 Laser Set Temperature Tset (˚C) Remark The graphs indicate nominal characteristics. 14 0 200 COOLER ELECTRIC POWER CONSUMPTION vs. LASER SET TEMPERATURE 50 25 150 Forward Current IF (mA) THERMISTOR RESISTANCE vs. AMBIENT TEMPERATURE 1 0 100 Monitor Current (Pf Monitor) Im(Pf) (mA) OPTICAL OUTPUT POWER FROM FIBER, MONITOR CURRENT (Pf MONITOR) vs. FORWARD CURRENT SPECTRUM Preliminary Data Sheet PL10135EJ01V0DS 35 NX8570 Series DFB-LD FAMILY Absolute Maximum Ratings Part Number TC (°C) Electro-Optical Characteristics (TC = 25°C) Tstg (°C) Ith (mA) Pf (mW) λp (nm) TYP. MIN. TYP. NX8300BE-CC NX8300CE-CC 0 to +75 −40 to +85 15 2 NX8303BG-CC NX8303CG-CC −10 to +85 −40 to +85 15 2 NX8503BG-CC NX8503CG-CC −10 to +85 −40 to +85 15 2 Application Package *1 1 310 2.5 Gb/s: STM-16 (S-16.1, L-16.1) Coaxial *1 1 310 622 Mb/s: STM-4 (L-4.1) Coaxial *1 1 550 156 Mb/s: STM-1 (L-1.2, L-1.3) Coaxial 622 Mb/s: STM-4 (L-4.2, L-4.3) NX8504BE-CC NX8504CE-CC −10 to +85 −40 to +85 15 2 1 550 NX8560LJ-CC −20 to +70 −40 to +85 6 −1 dBm 1 550 NX8562LB −20 to +65 −40 to +85 20 20 1 550 NX8563LB −20 to +65 −40 to +85 20 10 1 550 NX8564LE-CC −20 to +70 −40 to +85 7 −2 dBm*1 1 550 NX8565LE-CC −20 to +70 −40 to +85 7 −2 dBm*1 1 550 NX8566LE-CC −20 to +70 −40 to +85 7 0 dBm 1 550 NX8570 Series −20 to +70 −40 to +85 20 20 1 550 NX8571 Series −20 to +70 −40 to +85 20 10 1 550 *1 622 Mb/s: STM-4 (L-4.2, L-4.3) Coaxial ≤ 10 Gb/s: STM-64 BFY with GPO CW Light Source for external modulator BFY CW Light Source for external modulator BFY 2.5 Gb/s: STM-16, 360 km EA modulator integrated BFY 2.5 Gb/s: STM-16, 600 km EA modulator integrated BFY 2.5 Gb/s: STM-16, 240 km EA modulator integrated BFY *2 CW Light Source with λ monitoring PD BFY *2 CW Light Source with λ monitoring PD BFY *2 *2 *2 *2 *2 *2 TM *1 TYP. *2 Available for DWDM Wavelengths based on ITU-T recommendations Preliminary Data Sheet PL10135EJ01V0DS 15 NX8570 Series REFERENCE Document Name Document No. Optical semiconducrtor devices for fiberoptic communications Selection Guide P12480E Opto-Electronics Devices Pamphlet P13623E Opto-Electronics Devices (CD-ROM) P12944X NEC semiconductor device reliability/quality control system Quality grades on NEC semiconductor devices *1 C11159E *1 SEMICONDUCTOR SELECTION GUIDE −Products and Packages− C11531E *1 *1 Published by NEC Corporation 16 Preliminary Data Sheet PL10135EJ01V0DS X13769E NX8570 Series GPO is a trademark of Gilbert Engineering Co., Inc. • The information in this document is current as of April 2002. The information is subject to change without notice. For actual design-in, refer to the latest publications of NEC's data sheets or data books, etc., for the most up-to-date specifications of NEC semiconductor products. Not all products and/or types are available in every country. Please check with an NEC sales representative for availability and additional information. • No part of this document may be copied or reproduced in any form or by any means without prior written consent of NEC. NEC assumes no responsibility for any errors that may appear in this document. • NEC does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of NEC semiconductor products listed in this document or any other liability arising from the use of such products. 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(Note) (1) "NEC" as used in this statement means NEC Corporation, NEC Compound Semiconductor Devices, Ltd. and also includes its majority-owned subsidiaries. (2) "NEC semiconductor products" means any semiconductor product developed or manufactured by or for NEC (as defined above). M8E 00. 4 - 0110 Preliminary Data Sheet PL10135EJ01V0DS 17 NX8570 Series SAFETY INFORMATION ON THIS PRODUCT DANGER SEMICONDUCTOR LASER INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM OUTPUT POWER mW MAX WAVELENGTH nm CLASS lllb LASER PRODUCT Warning Laser Beam AVOID EXPOSURE-Invisible Laser Radiation is emitted from this aperture A laser beam is emitted from this diode during operation. The laser beam, visible or invisible, directly or indirectly, may cause injury to the eye or loss of eyesight. • Do not look directly into the laser beam. • Avoid exposure to the laser beam, any reflected or collimated beam. Caution GaAs Products The product contains gallium arsenide, GaAs. GaAs vapor and powder are hazardous to human health if inhaled or ingested. • Do not destroy or burn the product. • Do not cut or cleave off any part of the product. • Do not crush or chemically dissolve the product. • Do not put the product in the mouth. Follow related laws and ordinances for disposal. The product should be excluded from general industrial waste or household garbage. Caution Optical Fiber A glass-fiber is attached on the product. Handle with care. • When the fiber is broken or damaged, handle carefully to avoid injury from the damaged part or fragments. Business issue NEC Compound Semiconductor Devices, Ltd. 5th Sales Group, Sales Division TEL: +81-3-3798-6372 FAX: +81-3-3798-6783 E-mail: [email protected] NEC Compound Semiconductor Devices Hong Kong Limited Hong Kong Head Office FAX: +852-3107-7309 TEL: +852-3107-7303 Taipei Branch Office TEL: +886-2-8712-0478 FAX: +886-2-2545-3859 Korea Branch Office FAX: +82-2-528-0302 TEL: +82-2-528-0301 NEC Electron Devices European Operations http://www.nec.de/ TEL: +49-211-6503-101 FAX: +49-211-6503-487 California Eastern Laboratories, Inc. http://www.cel.com/ TEL: +1-408-988-3500 FAX: +1-408-988-0279 Technical issue NEC Compound Semiconductor Devices, Ltd. http://www.csd-nec.com/ Sales Engineering Group, Sales Division E-mail: [email protected] FAX: +81-44-435-1918 0110