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Title: Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study

We theoretically and experimentally investigate the nonlinear evolution of two optical pulses in a silicon waveguide. We provide an analytic solution for the weak probe wave undergoing non-degenerate two-photon absorption (TPA) from the strong pump. At larger pump intensities, we employ a numerical solution to study the interplay between TPA and photo-generated free carriers. We develop a simple and powerful approach to extract and separate out the distinct loss contributions of TPA and free-carrier absorption from readily available experimental data. Our analysis accounts accurately for experimental results in silicon photonic crystal waveguides.
Authors:
 [1] ;  [2] ;  [1] ;  [3] ;  [3] ;  [4] ;  [1]
  1. Univ. of Sydney, NSW (Australia)
  2. Univ. of Sydney, NSW (Australia); Argonne National Lab., Argonne, IL (United States)
  3. Univ. of York, Heslington, York (United Kingdom)
  4. RMIT, VIC (Australia). School of Electrical and Computer Engineering.
Publication Date:
Grant/Contract Number:
AC02-06CH11357; CE110001018; DE120101329; DE120102069; FL120100029; EP/J01771X/1
Type:
Accepted Manuscript
Journal Name:
Optics Express
Additional Journal Information:
Journal Volume: 23; Journal Issue: 13; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America (OSA)
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; nonlinear optics, devices; nonlinear, four-wave mixing; Kerr effect; nonlinear optics, parametric processes; multiphoton processes
OSTI Identifier:
1215675

Zhang, Yanbing, Husko, Chad, Lefrancois, Simon, Rey, Isabella H., Krauss, Thomas F., Schröder, Jochen, and Eggleton, Benjamin J.. Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study. United States: N. p., Web. doi:10.1364/OE.23.017101.
Zhang, Yanbing, Husko, Chad, Lefrancois, Simon, Rey, Isabella H., Krauss, Thomas F., Schröder, Jochen, & Eggleton, Benjamin J.. Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study. United States. doi:10.1364/OE.23.017101.
Zhang, Yanbing, Husko, Chad, Lefrancois, Simon, Rey, Isabella H., Krauss, Thomas F., Schröder, Jochen, and Eggleton, Benjamin J.. 2015. "Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study". United States. doi:10.1364/OE.23.017101. https://www.osti.gov/servlets/purl/1215675.
@article{osti_1215675,
title = {Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study},
author = {Zhang, Yanbing and Husko, Chad and Lefrancois, Simon and Rey, Isabella H. and Krauss, Thomas F. and Schröder, Jochen and Eggleton, Benjamin J.},
abstractNote = {We theoretically and experimentally investigate the nonlinear evolution of two optical pulses in a silicon waveguide. We provide an analytic solution for the weak probe wave undergoing non-degenerate two-photon absorption (TPA) from the strong pump. At larger pump intensities, we employ a numerical solution to study the interplay between TPA and photo-generated free carriers. We develop a simple and powerful approach to extract and separate out the distinct loss contributions of TPA and free-carrier absorption from readily available experimental data. Our analysis accounts accurately for experimental results in silicon photonic crystal waveguides.},
doi = {10.1364/OE.23.017101},
journal = {Optics Express},
number = 13,
volume = 23,
place = {United States},
year = {2015},
month = {6}
}