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Pluggable optics can potentiallly fuel the optical transport network in a more efficient and manageable manner. To enable this revolutionary packet-optical engine, integrated photonics seems to be the only possible solution. We introduce the latest industry trend of pluggable optical module form factors, and review the latest progress and challenges of pluggable optics products. Furthermore, we discuss...
The efficient mitigation of crosstalk-induced “error floor” in system performance by using soft-decoding LDPC codes in an OAM-based four modes multiplexed fiber transmission system is experimentally demonstrated. A significant coding gain of >15.5 dB is achieved, depending on the amount of crosstalk from other channels.
Single-ring fiber can support 10 OAM modes while maintaining radially sing-mode condition. The crosstalk between the modes is less than −20 dB even in a 1%-ellipticity fiber. OAM0,4 can propagate 500-km with <10-ps mode walk-off.
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