COAX products - Modulight

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Ordering InformationML - C - 1310 - FP - 10G - A138
Value adding solutions to optical applicationsML-C-1490-DFB-2G5-X1490 nm DFB Laser Diode Chip for 1.25 Gb/s and 2.5 Gb/sOverview<strong>Modulight</strong>'s ML-C-1490-DFB-2G5-X is a high-performanceDistributed Feedback (DFB) laser diodechip. The laser emits at 1490 nm wavelength. Laserdiode emission wavelength is controlled by an internalgrating. ML-C-1490-DFB-2G5-X has been designedfor digital optical communication networks withup to 3.125 Gb/s modulation speeds. The bare dieproduct is available as two different versions, with 6mW and 10 mW maximum rated power.Bare die <strong>products</strong>Electro-Optical Characteristics 1Parameter Symbol Min Typ Max Unit Test ConditionRated optical power 2 PR 6/10 - - mW 0-70°CThreshold current 3 Ith - 18 28 mA 25°C- 35 50 70°COperating current Iop - 38 46 mA 25°C, Pop=5 mW- 65 90 70°C, Pop=5 mWOperating voltage Vop - 1.1 1.5 V 0-70°C, Pop=5 mWSerial resistance 4 Rs - 5 - Ω 25°C, Pop=5 mWSlope efficiency 4 η 0.18 0.26 - W/A 25°C, Pop=5 mW0.10 0.16 70°C, Pop=5 mWCentral wavelength λc 1487 1490 1493 nm 25°C, Pop=5 mW1482 - 1498 0-70°C, Pop=5 mWSpectral width 5 ∆λ - 0.11 0.2 nm 25°C, Pop=5 mW0.07 0.2 70°C, Pop=5 mWSide Mode Suppression Ratio 6 SMSR 30 40 - dB 0-70°C, Pop=5 mWTemperature shift ∂λ/∂T - 0.11 . nm/K 0-70°C, Pop=5 mWof wavelengthPerpendicular beam θ⊥ - 45 48 deg 25°C, Pop=5 mWdivergence angle (FWHM) 7Parallel beam divergence θ|| - 26 34 deg 25°C, Pop=5 mWangle (FWHM) 7Modulation bandwidth f-3dB 6 - - GHz 25°C, Iop=Ith+16 mA4 - - 70°C, Iop=Ith+16 mANote 1: All temperatures refer to case temperature, TcNote 2: Kink-free, demonstrated reliability. Two different product versions available.Note 3: 2nd derivative methodNote 4: PLO=1 mW, P HI=7 mWNote 5: RMS, -20 dBNote 6: -20 dBNote 7: Full Width at Half Maximum39
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COAX products - Modulight

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