We present a linear optics quantum computation scheme with a greatly reduced cost in resources compared to KLM. The scheme makes use of elements from cluster state computation and achieves comparable resource usage to those schemes while retaining the circuit based approach of KLM.
@article{arxiv.quant-ph/0505125,
title = {Efficient Parity Encoded Optical Quantum Computing},
author = {Alexei Gilchrist and A. J. F. Hayes and T. C. Ralph},
journal= {arXiv preprint arXiv:quant-ph/0505125},
year = {2013}
}