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Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics./
Author:	Ye, Zhichao.
Description:	1 online resource (99 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 83-06, Section: B.
Contained By:	Dissertations Abstracts International83-06B.
Subject:	Propagation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28829979click for full text (PQDT)
ISBN:	9798496571968

Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics.
Ye, Zhichao.

Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics. - 1 online resource (99 pages)

Source: Dissertations Abstracts International, Volume: 83-06, Section: B.

Thesis (Ph.D.)--Chalmers Tekniska Hogskola (Sweden), 2021.

Includes bibliographical references

The field of nonlinear optics relies on the interaction between high-intensity optical waves and nonlinear media. An integrated waveguide with large refractive index contrast allows to highly confine optical waves in a sub-μm.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798496571968Subjects--Topical Terms:

3680519
Propagation.
Index Terms--Genre/Form:

542853
Electronic books.

Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics.
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020 $a 9798496571968
035 $a (MiAaPQ)AAI28829979
035 $a (MiAaPQ)Chalmers_SE522499
035 $a AAI28829979
040 $a MiAaPQ $b eng $c MiAaPQ $d NTU
100 1 $a Ye, Zhichao. $3 3697761
245 1 0 $a Ultralow-Loss Silicon Nitride Waveguides for Nonlinear Optics.
264 0 $c 2021
300 $a 1 online resource (99 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Dissertations Abstracts International, Volume: 83-06, Section: B.
500 $a Advisor: Torres-Company, Victor.
502 $a Thesis (Ph.D.)--Chalmers Tekniska Hogskola (Sweden), 2021.
504 $a Includes bibliographical references
520 $a The field of nonlinear optics relies on the interaction between high-intensity optical waves and nonlinear media. An integrated waveguide with large refractive index contrast allows to highly confine optical waves in a sub-μm.
520 $a 2 area, thus enhancing the optical intensity. However, such a high optical confinement increases the susceptibility to scattering losses induced from nanometer-level inhomogeneities.Silicon nitride is a dielectric material featuring a relatively large nonlinear-index coefficient and a broadband transparency window, from ultraviolet to mid-infrared. Its refractive index contrast to silica allows high confinement and controlling the dispersion with the waveguide geometry. This material platform has emerged in the past years as a workhorse for nonlinear optics applications that rely on the Kerr effect, from microcomb generation to parametric amplification. In this thesis work, we focused on the development of advanced manufacturing techniques for the realization of ultralow-loss silicon nitride waveguides. Meter long high-confinement waveguides with record low losses in the order of 1.4 dB/m and dispersion-engineered microresonators with quality factors of 19 million are reported. Based on this technology, we demonstrated octave-spanning coherent microcombs and microcombs with photodetectable repetition rates occupying a device area less than 1 mm2, i.e., one order of magnitude smaller than state of the art. The high yield and ultralow-loss Si3N4 waveguides also allowed us to achieve, for the first time, continuous-wave parametric amplification in an integrated waveguide, with a demonstrated gain of 9.5 dB and noise figure of 1.2 dB when operated in phase-sensitive mode.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Propagation. $3 3680519
650 4 $a Silicon nitride. $3 656984
650 4 $a Integrated circuits. $3 584067
650 4 $a Thermal cycling. $3 3696616
650 4 $a Spectrum analysis. $3 520440
650 4 $a Lasers. $3 535503
650 4 $a Bandwidths. $3 3560998
650 4 $a Etching. $2 lcstt $3 3267445
650 4 $a Photonics. $3 526247
650 4 $a Engineering. $3 586835
650 4 $a Transistors. $3 713271
650 4 $a Optics. $3 517925
650 4 $a Geometry. $3 517251
650 4 $a Parameter estimation. $3 567557
650 4 $a Analytical chemistry. $3 3168300
650 4 $a Chemistry. $3 516420
650 4 $a Electrical engineering. $3 649834
650 4 $a Mathematics. $3 515831
650 4 $a Physics. $3 516296
655 7 $a Electronic books. $2 lcsh $3 542853
690 $a 0752
690 $a 0537
690 $a 0486
690 $a 0485
690 $a 0544
690 $a 0405
690 $a 0605
710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a Chalmers Tekniska Hogskola (Sweden). $3 1913472
773 0 $t Dissertations Abstracts International $g 83-06B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28829979 $z click for full text (PQDT)