Pang, Chenlei and Lu, Hangwen and Xu, Pengfei and Qian, Haoliang and Liu, Xiaowei and Liu, Xu and Li, Haifeng and Yang, Qing (2016) Design of hybrid structure for fast and deep surface plasmon polariton modulation. Optics Express, 24 (15). pp. 17069-17079. ISSN 1094-4087. doi:10.1364/OE.24.017069. https://resolver.caltech.edu/CaltechAUTHORS:20161027-120141728
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Abstract
The electric and optical performance of different surface plasmon polariton (SPP) electric modulation structures have been investigated by comparing the response speed and modulation figures of merit (FoM). To overcome the capacitance limitation and improve the response speed, we proposed a novel silver-graphene-dielectric-graphene-semiconductor vertical structure. Semiconductor nano-waveguide is introduced to help reduce ohmic loss in silver waveguide and reflect the leaked optical field back, enhancing the modulation depth. Through optimization, a device with estimated modulation FoM of more than 70% and hundreds of GHz response speed and 3 dB bandwidth is designed, which may bring great improvement to previous optical modulators.
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| Additional Information: | © 2016 Optical Society of America. Received 13 May 2016; revised 25 Jun 2016; accepted 28 Jun 2016; published 19 Jul 2016. This work is supported by National Key Basic Research Program of China (No. 2015CB352003 and No. 2013CB328703), National Natural Science Foundation of China (No. 51372220 and 61177062), the Fundamental Research Funds for the Central Universities (2016XZZX003-02 and 2016FZA5002), and the Program for Zhejiang Leading Team of S&T Innovation. | ||||||||||||||||
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| Issue or Number: | 15 | ||||||||||||||||
| Classification Code: | OCIS codes: (250.5403) Plasmonics; (310.6628) Subwavelength structures, nanostructures | ||||||||||||||||
| DOI: | 10.1364/OE.24.017069 | ||||||||||||||||
| Record Number: | CaltechAUTHORS:20161027-120141728 | ||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20161027-120141728 | ||||||||||||||||
| Official Citation: | Chenlei Pang, Hangwen Lu, Pengfei Xu, Haoliang Qian, Xiaowei Liu, Xu Liu, Haifeng Li, and Qing Yang, "Design of hybrid structure for fast and deep surface plasmon polariton modulation," Opt. Express 24, 17069-17079 (2016) | ||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||
| ID Code: | 71547 | ||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||
| Deposited By: | George Porter | ||||||||||||||||
| Deposited On: | 27 Oct 2016 19:39 | ||||||||||||||||
| Last Modified: | 11 Nov 2021 04:47 |
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