COAX products - Modulight

ML-COAX-1550-DFB-AL-31550 nm Coaxial Fiber Pigtailed DFB Laserfor Analog ApplicationsApplications• RF over fiber• Hybrid Fiber Coax (HFC) networks• Wireless repeatersFeatures• Fiber Pigtailed Coaxial 1550nm Laser Diode Module• Multi-quantum Well Active Region DFP Laser Diode• Low Threshold Current, High Output Power• With Optical Isolator• InGaAs/InP Monitor Photodiode at Rear Mirror• 4-pin Coaxial Package Pigtailed with 500-1000mm long SM fiberElectro-Optical CharacteristicsParameter Symbol Min Typ Max Unit Test ConditionThreshold Current Ith - 7 11 mAOperating Current Iop - 40 60 mA Pop=3mW, CWOptical Output Power Pop 2 3 - mW Iop=Ith+30mAOperating Voltage Vop - 1.5 1.8 V Pop=3mW, CWSlope Efficiency η 0.1 - 0.17 W/A Tc= -20°C0.09 - 0.15 W/A Tc=+25°C0.055 - - W/A Tc=+85°CCentral Wavelength λ 1540 1550 1560 nm Pop=3mW, CWWavelength Temperature Coefficient ∆λ - 0.08 - nm/°C CW, -20°C - +85°CSide Mode Suppression Ratio SMSR 35 - dB Pop=3mW, CWSpectral Width ∆λT - - 1 -20dBMonitor Current Im 0.1 - - mA Pop=3mW, Vrpd=5VMonitor Dark Current Imd - - 0.1 µA Vrpd=5VLD Series Resistance Rs 4 - 8 ΩTracking Error TE -1.0 - 1.0 dB TCW3rd Order3 rd Order Intermodulation Distortion IMD3 - - -55 dBc CW1Relative Intensity Noise RIN - -155 - dB/Hz Pop=3mW, CW, f=1.8GOptical isolation Iso 30Note 1: Two tone, RF input power=0dBm, f1=1.8GHz, f2=1.802GHz10