Performance improvement of 10Gb/s direct modulation OFDM by optical injection using monolithically integrated discrete mode lasers

[摘要]：Performance improvement of a directly modulated 10Gb/s OFDM system by optical injection of monolithically integrated lasers is shown experimentally over differing fibre lengths. The modulation and optical injection is performed using monolithically integrated Discrete Mode lasers. It is shown that optical injection with this device reduces third order inter-modulation distortion by up to 10dB and this results in an improvement in system performance from above a forward error correction BER threshold of 1x10(-3) to significantly below it. (C) 2011 Optical Society of America

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