Non-degenerate two-photon absorption in silicon waveguides. Analytical and experimental study
- Univ. of Sydney, NSW (Australia)
- Univ. of Sydney, NSW (Australia); Argonne National Lab., Argonne, IL (United States)
- Univ. of York, Heslington, York (United Kingdom)
- RMIT, VIC (Australia). School of Electrical and Computer Engineering.
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.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC02-06CH11357; CE110001018; DE120101329; DE120102069; FL120100029; EP/J01771X/1
- OSTI ID:
- 1215675
- Journal Information:
- Optics Express, Vol. 23, Issue 13; ISSN 1094-4087
- Publisher:
- Optical Society of America (OSA)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 21 works
Citation information provided by
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Web of Science
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Reflection from a free carrier front via an intraband indirect photonic transition
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Reflection from a free carrier front via an intraband indirect photonic transition
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journalarticle | January 2018 |
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