Warranty warranty for PAM4 erbium-doped fiber amplifier
All products are guaranteed to be free from defects in materials and workmanship for a period of one year from date of purchase. Photonik reserves the right to repair or replace defective products at our option. Erbium-doped fiber amplifiers are by far the most important fiber amplifiers in the context of long-range optical fiber communications; they can efficiently amplify light in the 1. 5-μm wavelength region, where silica-based telecom fibers have their loss minimum. Typical EDFAs provide gains of 20–40 dB, corresponding to signal amplification factors of 100 to 10,000, with saturated output powers of +17 to +23 dBm—levels sufficient for long-haul fiber transmission systems.
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