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Optical devices and systems in highl...

Broaddus, Daniel Hugh.

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Optical devices and systems in highly nonlinear materials and geometries.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Optical devices and systems in highly nonlinear materials and geometries./
作者:	Broaddus, Daniel Hugh.
面頁冊數:	71 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6844.
Contained By:	Dissertation Abstracts International71-11B.
標題:	Physics, Electricity and Magnetism. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3429882
ISBN:	9781124300030

Optical devices and systems in highly nonlinear materials and geometries.
Broaddus, Daniel Hugh.

Optical devices and systems in highly nonlinear materials and geometries. - 71 p.

Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6844.

Thesis (Ph.D.)--Cornell University, 2010.

We present investigations of optical phenomena and applications using highly-nonlinear materials and geometries. We fabricated chalcogenide nanowires with extremely high aspect ratios and core diameters as small as 500 nm and lengths up to 10 cm. We showed the viability of these nanowires for nonlinear optical devices through demonstrations of nonlinear light-matter interactions in two power regimes. However, the limited durability of chalcogenide nanowires limits their viability for practical optical devices. We next investigate microspheres fabricated from amorphous arsenic triselenide (As2Se 3). We developed a novel method of fabrication, which was based on heating using platinum coils in normal lab conditions and produced high optical quality samples with diameters ranging from 50 mum to 500 mum. We then developed a new method of coupling to high refractive index resonators using silicon waveguides. We demonstrated loaded Q's of 2.3x10 6 with light centered at 1550 nm. Nevertheless, thermal instabilities limit the practicality of using these resonators for enhanced nonlinear optical interactions.

ISBN: 9781124300030Subjects--Topical Terms:

1019535
Physics, Electricity and Magnetism.

Optical devices and systems in highly nonlinear materials and geometries.
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245 1 0 $a Optical devices and systems in highly nonlinear materials and geometries.
300 $a 71 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6844.
500 $a Adviser: Alexander L. Gaeta.
502 $a Thesis (Ph.D.)--Cornell University, 2010.
520 $a We present investigations of optical phenomena and applications using highly-nonlinear materials and geometries. We fabricated chalcogenide nanowires with extremely high aspect ratios and core diameters as small as 500 nm and lengths up to 10 cm. We showed the viability of these nanowires for nonlinear optical devices through demonstrations of nonlinear light-matter interactions in two power regimes. However, the limited durability of chalcogenide nanowires limits their viability for practical optical devices. We next investigate microspheres fabricated from amorphous arsenic triselenide (As2Se 3). We developed a novel method of fabrication, which was based on heating using platinum coils in normal lab conditions and produced high optical quality samples with diameters ranging from 50 mum to 500 mum. We then developed a new method of coupling to high refractive index resonators using silicon waveguides. We demonstrated loaded Q's of 2.3x10 6 with light centered at 1550 nm. Nevertheless, thermal instabilities limit the practicality of using these resonators for enhanced nonlinear optical interactions.
520 $a We next developed a novel temporal-imaging system that can be easily synchronized to an external clock source for use in a time-lens based on four-wave mixing for optical processing applications. Spectrally broadening the output of a repetition-rate-agile picosecond time-lens source via self-phase modulation in CorningRTM Vascade LS+ fiber resulted in a system that has the bandwidth to support optical measurement and processing with sub-picosecond resolutions. As a proof of concept, we implemented our temporal-imaging system in two time-lens systems: a time-to-frequency converter and a temporal-magnification system. We also showed that the timing jitter limits the resolution of our temporal-imaging system to 270 fs. Lastly, we used this temporal-imaging system to create an ultra-high-bandwidth full-field, amplitude and phase, arbitrary waveform characterization system based on a temporal-phase measurement using heterodyning. We showed single-shot full-field reconstruction with 2.2-ps resolution over a record length of 250 ps.
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650 4 $a Physics, Optics. $3 1018756
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