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All-Optical Diode Suppressing Broadband Backward Transmission Using Single- and Four-Port Photonic Crystal Cavities

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Title: All-Optical Diode Suppressing Broadband Backward Transmission Using Single- and Four-Port Photonic Crystal Cavities
Authors: Sato, Takanori Browse this author
Fujisawa, Takeshi Browse this author →KAKEN DB
Saitoh, Kunimasa Browse this author →KAKEN DB
Keywords: Photonic crystal cavity
resonator
all-optical device
and nonlinear optics
Issue Date: Feb-2019
Publisher: IEEE (Institute of Electrical and Electronics Engineers)
Journal Title: IEEE photonics journal
Volume: 11
Issue: 1
Start Page: 4900214
Publisher DOI: 10.1109/JPHOT.2018.2888632
Abstract: We present an all-optical diode suppressing broadband backward transmission using single-port and four-port photonic crystal (PC) cavities and its operation principle. We find that, by combining a four-port PC cavity and two power-dependent phase shifters that are composed by a 3-dB power divider and two single-port PC cavities, the backward transmission in the nonlinear-resonator-based all-optical diode becomes theoretically 0% for any input power and any input wavelength. To confirm the validity of our approach, the numerical analysis based on the nonlinear beam propagation method as well as the coupled mode theory is performed. The results prove that the forward transmission of -4 dB and large nonreciprocal transmission ratio of 35 dB are achievable.
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Type: article
URI: http://hdl.handle.net/2115/72995
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 佐藤 孝憲

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