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This paper reports a novel cost-effective multiwavelength optical source for OCDM. This source has a simple configuration and emits well-flattened light with a precisely controlled wavelength spacing by using a directly sinusoidally modulated laser diode technique. The flattened multiwavelength light generation is analytically evaluated by using a small signal approximation. The application of the...
A novel gain-clamping technique that controls the amplifier output power of the gain-clamp light by the ALC mechanism is proposed and experimentally confirmed. It yields signal-light gain controllability and stability in burst-mode PON signal amplification.
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