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T92 Datasheet(PDF) 4 Page - Agere Systems |
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T92 Datasheet(HTML) 4 Page - Agere Systems |
4 / 8 page T92-Type 10 Gbits/s 1300 nm Advance Data Sheet Uncooled DFB Laser Transmitter March 2001 4 Agere Systems Inc. Characteristics (continued) 1. Output power definitions and measurements per proposals to the ITU-T Recommendation G.691. 2. Full spectral width measured 20 dB down from the maximum of the central wavelength peak under fully modulated conditions. 3. Ratio of the peak output power in the dominant longitudinal mode to the power in the most significant side mode under fully modulated condi- tions. 4. Ratio of logic 1 output power to logic 0 output under fully modulated conditions. 5. GR-253-CORE, Synchronous Optical Network (SONET) Transport Systems: Common Generic Criteria. 6. ITU-T Recommendation G.691, Optical Interfaces for Equipment and Systems Relating to the Synchronous Digital Hierarchy. 7. The 10 Gbits/s mask has not been currently agreed to by the standards committee. Proposal is to use the 2.5 Gbits/s SONET eye mask test scaled to 10 Gbits/s. The inner mask will be met, however, the outer mask will not be met. Table 3. Optical Characteristics Parameter Symbol Min Typ Max Unit Average Power Output, T923xFAA1 PO –6 –2 –1 dBm Center Wavelength Range, T923xFAA λC 1290 — 1330 nm Spectral Width2 ∆λ20 —— 1 nm Wavelength Shift with Temperature ∆λ/∆T —0.1 — nm/°C Side-mode Suppression Ratio 3 SMSR 30 — — dB Dispersion Penalty (D = 12 km, max.) DP —— 1 dB Extinction Ratio4 re 67 — dB Eye Mask of Optical Output 5, 6, 7 — See Note 7. — |
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