國立虎尾科技大學 |

Computational Silicon Nanophotonic Design.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Computational Silicon Nanophotonic Design./
作者:	Shen, Bing.
面頁冊數:	1 online resource (169 pages)
附註:	Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
Contained By:	Dissertation Abstracts International78-10B(E).
標題:	Optics. -
電子資源:	click for full text (PQDT)
ISBN:	9781369775112

Computational Silicon Nanophotonic Design.
Shen, Bing.

Computational Silicon Nanophotonic Design. - 1 online resource (169 pages)

Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.

Thesis (Ph.D.)

Includes bibliographical references

Photonic integration circuits (PICs) have received overwhelming attention in the past few decades due to various advantages over electronic circuits including absence of Joule effect and huge bandwidth. The most significant problem obstructing their commercial application is the integration density, which is largely determined by a signal wavelength that is in the order of microns. In this dissertation, we are focused on enhancing the integration density of PICs to warrant their practical applications.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9781369775112Subjects--Topical Terms:

595336
Optics.
Index Terms--Genre/Form:

554714
Electronic books.

Computational Silicon Nanophotonic Design.
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100 1 $a Shen, Bing. $3 1182168
245 1 0 $a Computational Silicon Nanophotonic Design.
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300 $a 1 online resource (169 pages)
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500 $a Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
500 $a Adviser: Rajesh Menon.
502 $a Thesis (Ph.D.) $c The University of Utah $d 2017.
504 $a Includes bibliographical references
520 $a Photonic integration circuits (PICs) have received overwhelming attention in the past few decades due to various advantages over electronic circuits including absence of Joule effect and huge bandwidth. The most significant problem obstructing their commercial application is the integration density, which is largely determined by a signal wavelength that is in the order of microns. In this dissertation, we are focused on enhancing the integration density of PICs to warrant their practical applications.
520 $a In general, we believe there are three ways to boost the integration density. The first is to downscale the dimension of individual integrated optical component. As an example, we have experimentally demonstrated an integrated optical diode with footprint 3 x 3 mum2, an integrated polarization beamsplitter with footprint 2.4 x 2.4 mum2, and a waveguide bend with effective bend radius as small as 0.65 mum. All these devices offer the smallest footprint when compared to their alternatives. A second option to increase integration density is to combine the function of multiple devices into a single compact device. To illustrate the point, we have experimentally shown an integrated mode-converting polarization beamsplitter, and a free-space to waveguide coupler and polarization beamsplitter. Two distinct functionalities are offered in one single device without significantly sacrificing the footprint. A third option for enhancing integration density is to decrease the spacing between the individual devices. For this case, we have experimentally demonstrated an integrated cloak for nonresonant (waveguide) and resonant (microring-resonator) devices. Neighboring devices are totally invisible to each other even if they are separated as small as lambda/2 apart.
520 $a Inverse design algorithm is employed in demonstrating all of our devices. The basic premise is that, via nanofabrication, we can locally engineer the refractive index to achieve unique functionalities that are otherwise impossible. A nonlinear optimization algorithm is used to find the best permittivity distribution and a focused ion beam is used to define the fine nanostructures.
520 $a Our future work lies in demonstrating active nanophotonic devices with compact footprint and high efficiency. Broadband and efficient silicon modulators, and all-optical and high-efficiency switches are envisioned with our design algorithm.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Optics. $3 595336
650 4 $a Electrical engineering. $3 596380
650 4 $a Nanotechnology. $3 557660
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710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a The University of Utah. $b Electrical and Computer Engineering. $3 1180670
773 0 $t Dissertation Abstracts International $g 78-10B(E).
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10262412 $z click for full text (PQDT)