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Acknowledgements
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MPB originated as part of graduate research at MIT with initial contributions by [Steven G. Johnson](http://math.mit.edu/~stevenj/). Currently, the MPB project is maintained by [Simpetus](http://www.simpetus.com) and the developer community on [GitHub](https://github.com/NanoComp/mpb).

Referencing
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We kindly request that you use the following reference in any publication for which you use MPB:

- Steven G. Johnson and J. D. Joannopoulos, [Block-iterative frequency-domain methods for Maxwell's equations in a planewave basis](http://www.opticsinfobase.org/abstract.cfm?URI=oe-8-3-173), *Optics Express* **8**, no. 3, 173-190 (2001). ([pdf](http://math.mit.edu/~stevenj/papers/JohnsonJo01.pdf))

Financial Support
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MPB's continued development has been supported by Small Business Innovation Research (SBIR) Phase 1 and 2 awards from the National Science Foundation (NSF) under award numbers [1647206](https://www.nsf.gov/awardsearch/showAward?AWD_ID=1647206) and [1758596](https://www.nsf.gov/awardsearch/showAward?AWD_ID=1758596). Initial development was supported in part by the Materials Research Science and Engineering Center program of the National Science Foundation under Grant No. DMR-9400334, the U.S. Army Research Office under contract/grant DAAG55-97-1-0366, a National Defense Science and Engineering Fellowship, and an MIT Karl Taylor Compton Fellowship.