NDLI: Periodically-Poled Silicon

Content Provider	IEEE Xplore Digital Library
Author	Hon, N.K. Tsia, K.K. Solli, D.R. Jalali, B.
Copyright Year	2009
Description	Author affiliation: Electrical Engineering Department, University of California, Los Angeles, 90095-1594, USA (Hon, N.K.; Tsia, K.K.; Solli, D.R.; Jalali, B.)
Abstract	As a centrosymmetric crystal, bulk silicon lacks the crucial second-order nonlinearity $χ^{(2)}$ - the cornerstone of parametric light conversion. Although it has been demonstrated that mechanical stress can create $χ^{(2)}$ effects [1,2], efficient parametric $χ^{(2)}$ processes require a means to achieve phase matching. A powerful approach for efficient parametric conversion is quasi-phase matching (QPM) by periodic poling. However, conventional poling methods are not applicable to silicon because it lacks an intrinsic dipole moment. Here we show through numerical simulations, that (1) periodic stress gradients along a silicon waveguide can be realized by integrated thin films, (2) the stress gradient create $χ^{(2)}$ and modulate its sign in a periodic fashion, and (3) the structure can lead to efficient generation of mid-wave infrared (MWIR) from commonly available near-infrared (NIR) laser sources. This so-called Periodically Poled Silicon (PePSi) brings the powerful periodic poling capability to silicon, where the excellent material's properties and mature processing technology can be exploited for $χ^{(2)}$ processes.
Starting Page	1
Ending Page	1
File Size	402759
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5196594
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Process design Semiconductor films Tensile stress Compressive stress Semiconductor thin films Waveguide lasers Frequency conversion Numerical simulation Silicon Material properties
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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