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Burr_Justin_Degenerate Band Edge Resonators in Silicon Photonics.pdf (2.98 MB)
ETD Abstract Container
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Degenerate Band Edge Resonators in Silicon Photonics
Author Info
Burr, Justin R
ORCID® Identifier
http://orcid.org/0000-0002-0348-6398
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1449233730
Abstract Details
Year and Degree
2015, Doctor of Philosophy, Ohio State University, Electrical and Computer Engineering.
Abstract
Photonic band gaps form in infinitely periodic dielectric structures. The propagation of light for frequencies close to the edge of a photonic band gap is highly dispersive and at the band edge the group velocity is zero. In finite length periodic dielectric structures, resonances form when forward and backward propagating modes constructively interfere. On resonance, the modal fields extend over the entire periodic structure. These large and distributed modal fields have been exploited for applications in light emission, optical switching and nonlinear optics. However, transmission resonances near a regular band edge are limited by quality factors that scale only as the third power of the number of periods. Resonances near a degenerate band edge can scale to the fifth power of the number periods. This work is the first experimental demonstration of Quality factor scaling to the fifth power. Transmission resonances near a degenerate band edge are realized in silicon strip waveguides with one-dimensional periodicity. The design and simulation of one dimensional periodic strip DBE cavities is presented. Experimental results include measurement of quality factor of 27,000 in a 35 period cavity. Transmission measurements show Fano resonances with a sharp transmission peak to bandgap extinction ratio of 20 dB.
Committee
Ronald Reano, PhD (Advisor)
George Valco, PhD (Committee Member)
Fernando Teixeira, PhD (Committee Member)
Pages
75 p.
Subject Headings
Electrical Engineering
;
Electromagnetics
;
Optics
Keywords
degenerate band edge
;
photonic crystal
;
silicon photonics
;
integrated optics
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RIS
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Citations
Burr, J. R. (2015).
Degenerate Band Edge Resonators in Silicon Photonics
[Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449233730
APA Style (7th edition)
Burr, Justin.
Degenerate Band Edge Resonators in Silicon Photonics.
2015. Ohio State University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1449233730.
MLA Style (8th edition)
Burr, Justin. "Degenerate Band Edge Resonators in Silicon Photonics." Doctoral dissertation, Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449233730
Chicago Manual of Style (17th edition)
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Document number:
osu1449233730
Download Count:
1,147
Copyright Info
© 2015, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.