IN an optical amplifier, comprising a waveguide doped optical RARE EARTH IN WHICH THE SIGNAL IN WAVELENGTH SIGNAL AND POWER DELIVERY AT WAVELENGTH shipping coupled together, stood MEANS INDUCTOR LOSS margin into a predetermined position along the length of the waveguide, CAUSING A LOSS FOR SIGNAL MAYOR IN AN AMOUNT OF LOSS DEFAULT THAT THE LOSS FOR WAVELENGTH FOR DRIVE, SUCH AMOUNT OF LOSS DEFAULT AND SUCH POSITIONS OF LOSS DEFAULT IS PICKING IN MUTUAL RELATIONSHIP TO INDUCE an amplification of the input signals POWER LESS, IN THE BAND input power of said signal, SENIOR amplifying the input signals higher power in this band in an amount which causes a substantially constant OUTPUT POWER dYNAMICS IN A BAND SIGNS MAJOR 15 DB.
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