TY - JOUR
T1 - Wideband coherent perfect absorber based on white-light cavity
AU - Kotlicki, Omer
AU - Scheuer, Jacob
N1 - Publisher Copyright:
© 2014 Optical Society of America.
PY - 2014/12/1
Y1 - 2014/12/1
N2 - We present a new concept for a broadband coherent perfect absorber (CPA), utilizing the properties of white-light cavities. The designed structure attains coherent absorption over a wide spectrum (40 nm), overcoming the single-frequency limitation of conventional CPAs. A closed form analytic description is presented, supplemented by finite difference time-domain simulations for Si-based devices, demonstrating flat, wide-band power absorption. A new integrated-optics-based pulse absorber/terminator and optical modulator based on these devices are proposed and analyzed.
AB - We present a new concept for a broadband coherent perfect absorber (CPA), utilizing the properties of white-light cavities. The designed structure attains coherent absorption over a wide spectrum (40 nm), overcoming the single-frequency limitation of conventional CPAs. A closed form analytic description is presented, supplemented by finite difference time-domain simulations for Si-based devices, demonstrating flat, wide-band power absorption. A new integrated-optics-based pulse absorber/terminator and optical modulator based on these devices are proposed and analyzed.
UR - http://www.scopus.com/inward/record.url?scp=84914693370&partnerID=8YFLogxK
U2 - 10.1364/OL.39.006624
DO - 10.1364/OL.39.006624
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AN - SCOPUS:84914693370
SN - 0146-9592
VL - 39
SP - 6624
EP - 6627
JO - Optics Letters
JF - Optics Letters
IS - 23
ER -