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| 1,550nm DFB DWDM Direct Modulation Laser FEATURES * Direct Modulation DFB Laser * Built-in TEC, Thermistor and Monitor PD * 14-Pin Butterfly Type Module * QAM Transmission Application * 10mW Output Power * Low Residual Chirp * Selected wavelengths according to ITU-T grid available FLD5F7CZ-J APPLICATIONS This laser is intended for use in Dense Wavelength Division Multiplexed (DWDM) systems that employ Quadrature Amplitude Modulation (QAM) on Quadrate Phase Shift Keying (QPSK). Transmission spans up to 60 km are possible without ampification. DESCRIPTION This Laser is a high power laser capable of QAM transmission. It is packaged in a "butterfly" type module. The module employs a high efficiency optical coupling system, coupling the laser output through a built-in optical isolator into a single mode fiber pigtail. The modules also include a monitor photodiode, a thermoelectric cooler (TEC) and thermistor. This device is designed for DWDM direct modulation transmission systems. Selected wavelengths specified to the ITU-T grid are available. ABSOLUTE MAXIMUM RATINGS (Tc=25C, unless otherwise specified) Parameter Storage Temperature Operating Case Temperature Optical Output Power LD Forward Current LD Reverse Voltage PD Reverse Voltage PD Forward Current TEC Voltage TEC Current Thermistor Temperature Lead Soldering Time Environmental Operating Humidity Environmental Storage Humidity Symbol Tstg Top Pf IF VR VDR IPD Vc Ic Tth Tsold Xop Xst Condition Min. CW CW Cooling Heating Cooling Heating ATC Operation 260C Top<30C Tstg<30C -40 -20 -2.0 -0.5 -20 Ratings Max. +70 +65 20 150 2 20 10 +2.5 +1.4 +65 10 95 95 C C mW mA V V mA V A C sec % % Unit Edition 1.2 July 2004 1 FLD5F7CZ-J Parameter Laser Set Temperature Threshold Current Operating Current Forward Voltage (Pin No. 3) Slope Efficiency Tracking Error Monitor Current Monitor Dark Current Monitor PD Capacitance Peak Wavelength Chirp Linewidth (FWHM) Side Mode Suppression Ratio 2nd Order Intermodulation Distortion 3nd Order Intermodulation Distortion Relative Intensity Noise Input Impedance (Pin No. 12) Bandwidth (-1dB) RF Return Loss Isolation Sr IMD2 IMD3 RIN Zin fc S11 Is Symbol Tset Ith Iop VFDC S Pf Im ID Ct p nFM 1,550nm DFB DWDM Direct Modulation Laser Test Conditions CW CW, Pf=10mW CW, Pf=10mW CW, Pf=10mW Note (1) CW, IF=Iop, VDR=5V VDR=5V VDR=5V, freq =1 MHz CW, Pf=10mW Note (3) CW, Pf=10mW CW, Pf=10mW Note (4) Note (4) Note (5) CW, Pf=10mW Note (6) f=5MHz-870MHz -20 Note 1. Total change in Pf over -20 Note 3. Test Conditions: Pf=10mW, measured at 500MHz. Note 4. Test Conditions: Pf=10mW, Optical Modulation Index OMI=35.0%/ch, 2 unmodulated carriers (f1=553.25MHz, f2=595.25MHz) 1310nm Zero-dispersion single-mode fiber: 50km, Optical Reflection=-40dB (excluding reflection from long-haul fiber) Measured Frequency: IMD2: f=42MHz IMD3: f=511.25MHz Note 5. Test Condiitons: CW, Pf=10mW, f=500MHz, Optical Reflection <-40dB (No long-haul fiber is used in the measurement) Note 6. Test Condiitons: Pf=10mW, no matching network is used in the measurement 2 1,550nm DFB DWDM Direct Modulation Laser Parameter TEC Capacity TEC Current TEC Voltage Cooler Power Thermistor Set Resistance Thermistor B Constant Symbol T Ic Vc PTEC Rset B Test Conditions Ic=1A TL=Tset, Pf=10mW, Tc=65C TL=Tset, Pf=10mW, Tc=65C TL=Tset, Pf=10mW, Tc=65C TL=Tset Min. 45 6.3 3,270 FLD5F7CZ-J Limit Typ. 0.5 1.2 0.6 10.0 3,450 Max. 1.0 2.4 2.4 12.6 3,630 Unit C A V W k K TEC AND THERMISTOR CHARACTERISTICS (TL=Tset, Tc=25C, BOL, unless otherwise specified) Fig. 1 Forward Current vs Output Power Fig. 2 Laser Temperature Dependence of Wavelength (ACC) 20 Wavelength Drift (nm) 2.0 1.5 Output Power, Pf (mW) 15 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 10 15 20 25 30 35 40 10 5 0 Laser Temperatue TLD (C) 0 50 100 150 Forward Current, If (mA) 3 FLD5F7CZ-J Fig. 3 Case Temperature Dependence of Wavelength 0.05 Pf=10mW 0.04 0.03 0.02 0.01 0.00 -0.01 -0.02 -0.03 -0.04 -0.05 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 3.0 1,550nm DFB DWDM Direct Modulation Laser Fig. 4 Case Temperature Dependence of TEC Performance 3.0 Pf=10mW Cooler Voltage, Vc (V) Wavelength Drift (nm) 2.0 Vc 2.0 1.0 1.0 Ic 0.0 0.0 -1.0 -50 -40 -30 -20 -10 0 -1.0 10 20 30 40 50 60 70 T=Tc-Tset (C) T=Tc-Tset (C) Fig. 5 Tracking Error Characteristics 10 5 Fig. 6 Frequency Response 5 4 3 2 1 0 -1 -2 -3 -4 -5 10 Tc=+25C 0 -5 -10 -15 -20 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 T=Tc-Tset (C) Relative Response (dB) Pf=10mW Tracking Error (%) 500 1000 1500 2000 2500 Frequency (MHz) 4 Cooler Current, Ic (A) 1,550nm DFB DWDM Direct Modulation Laser Fig. 7 IMD3 vs. Optical Modulation Index -30 2-tone test (f1=553.25MHz, f2=595.25MHz) Fiber Dispersion 825ps/nm FLD5F7CZ-J IMD2 (dBc) -40 f=42MHz -50 -60 1 10 100 Optical Modulation Index OMI (%/ch) Fig. 8 IMD3 vs. Optical Modulation Index -40 2-tone test (f1=553.25MHz, f2=595.25MHz) Fiber Dispersion 825ps/nm IMD3 (dBc) -50 f=511.25MHz -60 -70 1 10 100 Optical Modulation Index OMI (%/ch) 5 FLD5F7CZ-J "CZ" PACKAGE 17.240.20 15.240.25 PIN 7 8.250.50 o5.20.2 8.890.15 12.70.25 14-0.50.1 15.20.3 2.540.20 5.40.5 PIN 1 14-0.10.05 1,550nm DFB DWDM Direct Modulation Laser TOP VIEW UNIT: mm 2 1 7 5.410.25 6 5 4 3 5.080.15 8.250.50 o0.90.1 5.080.15 TEC 4-o2.670.20 20.830.25 26.040.25 29.970.25 0.40.15 10.20.2 PIN 14 8 # 9 10 11 12 13 14 PIN 8 PIN DESIGNATIONS 4.150.20 5.80.2 *L 25.00.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Thermistor Thermistor LD Cathode Power Monitor Anode Power Monitor Cathode Thermoelectric Cooler (+) Thermoelectric Cooler (-) Case Ground Case Ground NC Case Ground LD Modulation (-) Case Ground NC Case Ground: LD Anode CONNECTOR * Pigtail length (L) and connector type are specified in the detail (individual) specification. For further information please contact: CAUTION Eudyna Devices Inc. products contain gallium arsenide (GaAs) which can be hazardous to the human body and the environment. For safety, observe the following procedures: Eudyna Devices USA Inc. 2355 Zanker Rd. San Jose, CA 95131-1138, U.S.A. TEL: (408) 232-9500 FAX: (408) 428-9111 www.us.eudyna.com * Do not put this product into the mouth. * Do not alter the form of this product into a gas, powder, or liquid through burning, crushing, or chemical processing as these by-products are dangerous to the human body if inhaled, ingested, or swallowed. * Observe government laws and company regulations when discarding this product. This product must be discarded in accordance with methods specified by applicable hazardous waste procedures. Eudyna Devices Europe Ltd. Network House Norreys Drive Maidenhead, Berkshire SL6 4FJ United Kingdom TEL: +44 (0) 1628 504800 FAX: +44 (0) 1628 504888 Eudyna Devices Asia Pte Ltd. Hong Kong Branch Rm. 1101, Ocean Centre, 5 Canton Rd. Tsim Sha Tsui, Kowloon, Hong Kong TEL: +852-2377-0227 FAX: +852-2377-3921 Eudyna Devices Inc. reserves the right to change products and specifications without notice. The information does not convey any license under rights of Eudyna Devices Inc. or others. (c) 2004 Eudyna Devices USA Inc. Printed in U.S.A. Eudyna Devices Inc. Sales Division 1, Kanai-cho, Sakae-ku Yokohama, 244-0845, Japan TEL: +81-45-853-8156 FAX: +81-45-853-8170 6 |
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