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Design and Fabrication of Ultra-comp...

Tu, Yongming.

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Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications./
作者:	Tu, Yongming.
面頁冊數:	120 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.
Contained By:	Dissertation Abstracts International77-02B(E).
標題:	Electrical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3724396
ISBN:	9781339078892

Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications.
Tu, Yongming.

Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications. - 120 p.

Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.

Thesis (Ph.D.)--Northwestern University, 2015.

One promising platform in photonic integration that recently emerged is silicon photonics. In silicon photonics, quite often compact integrated wavelength multiplexers and demultiplxers are wanted to separate CDWM or DWDM wavelength channels. One way to do so is with use of diffraction grating. Silicon photonics uses silicon-on-insulator (SOI substrate that enable waveguiding with high-refractive index contrast waveguides to reduce device size, but also new challenges in terms of device design and optimization. Here we demonstrate a novel design of ultra-compact concave grating. It overcomes the problems encountered when using traditional Rowland curved grating design on high refractive indices contrast platform like SOI. Both passive and active devices can be realized with the new concave grating on the new hybrid platform with a compact size.

ISBN: 9781339078892Subjects--Topical Terms:

649834
Electrical engineering.

Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications.
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245 1 0 $a Design and Fabrication of Ultra-compact Concave Grating and its Optoelectronic Applications.
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500 $a Adviser: Seng-Tiong Ho.
502 $a Thesis (Ph.D.)--Northwestern University, 2015.
520 $a One promising platform in photonic integration that recently emerged is silicon photonics. In silicon photonics, quite often compact integrated wavelength multiplexers and demultiplxers are wanted to separate CDWM or DWDM wavelength channels. One way to do so is with use of diffraction grating. Silicon photonics uses silicon-on-insulator (SOI substrate that enable waveguiding with high-refractive index contrast waveguides to reduce device size, but also new challenges in terms of device design and optimization. Here we demonstrate a novel design of ultra-compact concave grating. It overcomes the problems encountered when using traditional Rowland curved grating design on high refractive indices contrast platform like SOI. Both passive and active devices can be realized with the new concave grating on the new hybrid platform with a compact size.
520 $a This dissertation presents the algorithm and simulations of the new concave grating design. We discuss its applications to passive devices such as CWDM and DWDM wavelength multiplexers and demutiplexers (Muxs/Demuxs), and active devices such as lasers. For CWDM wavelength Muxs/Demuxs, we show that the new design is capable of reducing the grating dimensions about 8 times for the same channel spacing. We also report the first Silicon/III-V heterogeneous laser with super-compact concave grating. Single-wavelength lasing is observed at 1551nm with a maximum output power of 2.3mW.
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