Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications

E. Gunasundari, K. Senthilnathan, P. Ramesh Babu, J. Ebenezar, Kaliyaperumal Nakkeeran

Research output: Chapter in Book/Report/Conference proceedingChapter

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Abstract

In this paper, we design a silicon nanowire embedded photonic crystal fiber (SN-PCF) using fully vectorial finite element method. Further, we analyze the various optical properties, namely, waveguide dispersion and nonlinearity by varying the core diameter from 400 to 500 nm for a wide range of wavelengths from 0.8 to 1.7 μm. The proposed structure exhibits a low second (−0.4909 ps2/m) and third order (0.6595 10−3 ps3/m) dispersions with very high nonlinearity (1358 W−1m−1) for 480 nm core diameter at 0.8 μm wavelength. Besides, we investigate the evolution of supercontinuum at 0.8, 1.3 and 1.55 μm wavelengths for an incredibly low input pulse energy of 2.5 pJ. The numerical results corroborate that the proposed SN-PCF provides a wider supercontinuum bandwidth of 1250 nm at 0.8 μm, 1100 nm at 1.3 μm and 800 nm at 1.55 μm wavelengths. We demonstrate longitudinal resolution of 0.16 μm at 0.8 μm wavelength for ophthalmology and dermatology, 0.41 μm at 1.3 μm wavelength for dental imaging and 0.8 μm at 1.55 μm wavelength also for dental imaging. To our knowledge, these are the highest resolution ever achieved in biological tissue at 0.8, 1.3 and 1.55 μm wavelengths.
Original languageEnglish
Title of host publicationRecent Trends in Materials Science and Applications
Subtitle of host publicationNanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016)
EditorsJeyasingh Ebenezar
PublisherSpringer
Pages71-88
Number of pages18
ISBN (Electronic)9783319448909
ISBN (Print)9783319448893
DOIs
Publication statusPublished - 2017
EventInternational Conference on Recent Trends in Materials Science and Applications: Recent trends in materials science and applications : nanomaterials, crystal growth, thin films, quantum dots, & spectroscopy - Tiruchirappalli, India
Duration: 29 Feb 201629 Feb 2016

Publication series

NameSpringer Proceedings in Physics
Volume189
ISSN (Electronic)0930-8989

Conference

ConferenceInternational Conference on Recent Trends in Materials Science and Applications
Abbreviated titleICRTMSA-2016
CountryIndia
CityTiruchirappalli
Period29/02/1629/02/16

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nanowires
tomography
photonics
fibers
silicon
wavelengths
crystals
nonlinearity
dermatology
ophthalmology
finite element method
waveguides
bandwidth
optical properties
high resolution
pulses

Cite this

Gunasundari, E., Senthilnathan, K., Ramesh Babu, P., Ebenezar, J., & Nakkeeran, K. (2017). Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications. In J. Ebenezar (Ed.), Recent Trends in Materials Science and Applications: Nanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016) (pp. 71-88). (Springer Proceedings in Physics; Vol. 189). Springer . https://doi.org/10.1007/978-3-319-44890-9_8

Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications. / Gunasundari, E.; Senthilnathan, K.; Ramesh Babu, P.; Ebenezar, J.; Nakkeeran, Kaliyaperumal.

Recent Trends in Materials Science and Applications: Nanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016). ed. / Jeyasingh Ebenezar. Springer , 2017. p. 71-88 (Springer Proceedings in Physics; Vol. 189).

Research output: Chapter in Book/Report/Conference proceedingChapter

Gunasundari, E, Senthilnathan, K, Ramesh Babu, P, Ebenezar, J & Nakkeeran, K 2017, Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications. in J Ebenezar (ed.), Recent Trends in Materials Science and Applications: Nanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016). Springer Proceedings in Physics, vol. 189, Springer , pp. 71-88, International Conference on Recent Trends in Materials Science and Applications, Tiruchirappalli, India, 29/02/16. https://doi.org/10.1007/978-3-319-44890-9_8
Gunasundari E, Senthilnathan K, Ramesh Babu P, Ebenezar J, Nakkeeran K. Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications. In Ebenezar J, editor, Recent Trends in Materials Science and Applications: Nanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016). Springer . 2017. p. 71-88. (Springer Proceedings in Physics). https://doi.org/10.1007/978-3-319-44890-9_8
Gunasundari, E. ; Senthilnathan, K. ; Ramesh Babu, P. ; Ebenezar, J. ; Nakkeeran, Kaliyaperumal. / Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications. Recent Trends in Materials Science and Applications: Nanomaterials, Crystal Growth, Thin films, Quantum Dots, & Spectroscopy (Proceedings ICRTMSA 2016). editor / Jeyasingh Ebenezar. Springer , 2017. pp. 71-88 (Springer Proceedings in Physics).
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abstract = "In this paper, we design a silicon nanowire embedded photonic crystal fiber (SN-PCF) using fully vectorial finite element method. Further, we analyze the various optical properties, namely, waveguide dispersion and nonlinearity by varying the core diameter from 400 to 500 nm for a wide range of wavelengths from 0.8 to 1.7 μm. The proposed structure exhibits a low second (−0.4909 ps2/m) and third order (0.6595 10−3 ps3/m) dispersions with very high nonlinearity (1358 W−1m−1) for 480 nm core diameter at 0.8 μm wavelength. Besides, we investigate the evolution of supercontinuum at 0.8, 1.3 and 1.55 μm wavelengths for an incredibly low input pulse energy of 2.5 pJ. The numerical results corroborate that the proposed SN-PCF provides a wider supercontinuum bandwidth of 1250 nm at 0.8 μm, 1100 nm at 1.3 μm and 800 nm at 1.55 μm wavelengths. We demonstrate longitudinal resolution of 0.16 μm at 0.8 μm wavelength for ophthalmology and dermatology, 0.41 μm at 1.3 μm wavelength for dental imaging and 0.8 μm at 1.55 μm wavelength also for dental imaging. To our knowledge, these are the highest resolution ever achieved in biological tissue at 0.8, 1.3 and 1.55 μm wavelengths.",
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AU - Nakkeeran, Kaliyaperumal

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N2 - In this paper, we design a silicon nanowire embedded photonic crystal fiber (SN-PCF) using fully vectorial finite element method. Further, we analyze the various optical properties, namely, waveguide dispersion and nonlinearity by varying the core diameter from 400 to 500 nm for a wide range of wavelengths from 0.8 to 1.7 μm. The proposed structure exhibits a low second (−0.4909 ps2/m) and third order (0.6595 10−3 ps3/m) dispersions with very high nonlinearity (1358 W−1m−1) for 480 nm core diameter at 0.8 μm wavelength. Besides, we investigate the evolution of supercontinuum at 0.8, 1.3 and 1.55 μm wavelengths for an incredibly low input pulse energy of 2.5 pJ. The numerical results corroborate that the proposed SN-PCF provides a wider supercontinuum bandwidth of 1250 nm at 0.8 μm, 1100 nm at 1.3 μm and 800 nm at 1.55 μm wavelengths. We demonstrate longitudinal resolution of 0.16 μm at 0.8 μm wavelength for ophthalmology and dermatology, 0.41 μm at 1.3 μm wavelength for dental imaging and 0.8 μm at 1.55 μm wavelength also for dental imaging. To our knowledge, these are the highest resolution ever achieved in biological tissue at 0.8, 1.3 and 1.55 μm wavelengths.

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