Kouichi Nitta, Takashi Kamigiku, Takeshi Nakajima, Osamu Matoba. Parallel Processing for Prime Factorization with Spatial Amplitude Modulation in Optics. In Shlomi Dolev, Mihai Oltean, editors, Optical Supercomputing - 4th International Workshop, OSC 2012, in Memory of H. John Caulfield, Bertinoro, Italy, July 19-21, 2012. Revised Selected Papers. Volume 7715 of Lecture Notes in Computer Science, pages 7-14, Springer, 2012. [doi]