CUED Publications database

Mode division multiplexing exploring hollow-core photonic bandgap fibers

Xu, J and Lyngso, JK and Leick, L and Carpenter, J and Wilkinson, TD and Peucheret, C (2013) Mode division multiplexing exploring hollow-core photonic bandgap fibers. International Conference on Transparent Optical Networks.

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We review our recent exploratory investigations on mode division multiplexing using hollow-core photonic bandgap fibers (HC-PBGFs). Compared with traditional multimode fibers, HC-PBGFs have several attractive features such as ultra-low nonlinearities, low-loss transmission window around 2 μm etc. After having discussed the potential and challenges of using HC-PBGFs as transmission fibers for mode multiplexing applications, we will report a number of recent proof-of-concept results obtained in our group using direct detection receivers. The first one is the transmission of two 10.7 Gbit/s non-return to zero (NRZ) data signals over a 30 m 7-cell HC-PBGF using the offset mode launching method. In another experiment, a short piece of 19-cell HC-PBGF was used to transmit two 20 Gbit/s NRZ channels using a spatial light modulator for precise mode excitation. Bit-error-ratio (BER) performances below the forward-error-correction (FEC) threshold limit (3.3×10 -3 ) are confirmed for both data channels when they propagate simultaneously. © 2013 IEEE.

Item Type: Article
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:01
Last Modified: 24 May 2018 01:59