Abstract

All colorless Fabry–Perot laser diodes (FPLDs) with master-to-slave injection-locking and carrier-reusing are employed as down- and up-stream transmitters to demonstrate the bidirectionally 10-Gbit/s full-duplex on–off-keying transmission in a dense wavelength-division-multiplexed passive optical network system without using any high-coherent transmitter. By simply injecting the down-stream optical carrier into the up-stream slave colorless FPLD, the residual down-stream data can be greatly suppressed with a penalty on the relative intensity noise by only 2–4 dB. This facilitates a compact carrier-reusing without the need of additional data-eraser or injection master. Such a broadband colorless FPLD master can essentially make the down-stream slave approaching an error-free transmission after transmitting over 25-km MetroCor fiber at a receiving power of <−13.5 dBm. By reusing the down-stream carrier with its data in-situ erased by the up-stream colorless FPLD itself, the single-mode injection-locked up-stream slave can also implement an error-free transmission after propagating over 25 km, providing a receiving power sensitivity of <−9 dBm with a power penalty of 2 dB as compared to the back-to-back case.

© 2014 IEEE

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