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D2525P52 Datasheet(PDF) 4 Page - Agere Systems |
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D2525P52 Datasheet(HTML) 4 Page - Agere Systems |
4 / 10 page Wavelength-Selected D2525P Data Sheet Isolated DFB Laser Module with PMF March 2000 4 Lucent Technologies Inc. Characteristics * Standard operating condition is 5.0 V reverse bias. † Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C. * Custom wavelengths available. † The ST ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only. Table 2. Electrical Characteristics (at 25 °C laser temperature) Parameter Symbol Test Conditions Min Typ Max Unit Threshold Current ITH — — 15 40 mA Drive Current Above Threshold — LF = 10 mW — — 110 mA Laser Forward Voltage VLF LF = 10 mW (CW) — 1.3 1.8 V Monitor Reverse-bias Voltage* VRMON —3 5 10 V Monitor Current IRMON PO = 10 mW (CW) 0.200 — — mA Monitor Dark Current ID IF = 0, VRMON = 5 V — 0.01 0.1 µA Input Impedance ZIN — — 25 — Ω Thermistor Current ITC — 10 — 100 µA Resistance Ratio† — — 9.1 9.6 10.1 — Thermistor Resistance RTH TL = 25 °C 9.5 — 10.5 k Ω TEC Current ITEC TL = 25 °C, TC = 70 °C — — 1.0 A TEC Voltage VTEC TL = 25 °C, TC = 70 °C — — 2.0 V TEC Capacity ∆TTC = 70 °C50 — — °C Table 3. Optical Characteristics (at 25 °C laser temperature) Parameter Symbol Test Conditions Min Typ Max Unit Peak Optical Output Power PP — 10.0 — — mW Center Wavelength* (See Table 4.) λC TL = 25 °C CW Wavelength 1529.55 — 1610.06 nm Line Width (3 dB full width) ∆λ CW, PF = 10.0 mW — 2 10 MHz Relative Intensity Noise RIN CW, PF = 10.0 mW, 200 MHz < f < 10 GHz — — –135 dB/Hz Side-mode Suppression Ratio SMSR CW 33 — — dB Optical Isolation — TC = 0 °C to 75 °C30 — — dB Optical Polarization Extinction Ratio† —0 °C to 75 °C20 — — dB |
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