Controllable coherent perfect absorption in a composite film. Dutta-Gupta, S., Martin, O. J. F., Gupta, S. D., & Agarwal, G. S. Opt. Express, 20(2):1330--1336, January, 2012. ![Controllable coherent perfect absorption in a composite film [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We exploit the versatility provided by metal–dielectric composites to demonstrate controllable coherent perfect absorption (CPA) or anti-lasing in a slab of heterogeneous medium. The slab is illuminated by coherent light from both sides, at the same angle of incidence and the conditions required for CPA are investigated as a function of the different system parameters. Our calculations clearly elucidate the role of absorption as a necessary prerequisite for CPA. We further demonstrate the controllability of the CPA frequency to the extent of having the same at two distinct frequencies even in presence of dispersion, rendering the realization of anti-lasers more flexible.
@article{dutta-gupta_controllable_2012,
title = {Controllable coherent perfect absorption in a composite film},
volume = {20},
url = {http://www.opticsexpress.org/abstract.cfm?URI=oe-20-2-1330},
doi = {10.1364/OE.20.001330},
abstract = {We exploit the versatility provided by metal–dielectric composites to demonstrate controllable coherent perfect absorption (CPA) or anti-lasing in a slab of heterogeneous medium. The slab is illuminated by coherent light from both sides, at the same angle of incidence and the conditions required for CPA are investigated as a function of the different system parameters. Our calculations clearly elucidate the role of absorption as a necessary prerequisite for CPA. We further demonstrate the controllability of the CPA frequency to the extent of having the same at two distinct frequencies even in presence of dispersion, rendering the realization of anti-lasers more flexible.},
number = {2},
journal = {Opt. Express},
author = {Dutta-Gupta, Shourya and Martin, O. J. F. and Gupta, S. Dutta and Agarwal, G. S.},
month = jan,
year = {2012},
keywords = {Artificially engineered materials, Effective medium theory, Interference, Microcavities, Microcavity devices, Optical resonators, printed, Thin films},
pages = {1330--1336},
file = {Dutta-Gupta et al_2012_Controllable coherent perfect absorption in a composite film.pdf:/Users/baptiste/Library/Application Support/Zotero/Profiles/d9rq1atq.default/zotero/storage/FUWC959F/Dutta-Gupta et al_2012_Controllable coherent perfect absorption in a composite film.pdf:application/pdf}
}
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