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Design of Coding and Modulation for Power-Efficient Use of a Band-Limited Optical Channel

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2 Author(s)
Snyder, Donald L. ; Washington Univ., St. Louis, MO, USA ; Georghiades, C.N.

We show that Q -ary pulse-position modulation with raised cosine pulses minimizes the average power (photons/s) required to communicate at a specified throughput rate (nats/s) over a band-limited, noisy optical channel. The best choice of Q is identified, as are other encoder parameters.

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Communications, IEEE Transactions on  (Volume:31 ,  Issue: 4 )