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Proceedings Paper

Enhancement of phase sensitivity by exploring slow light in photonic crystals
Author(s): Marin Soljacic; Steven G. Johnson; Shanhui Fan; Mihai Ibanescu; Erich P. Ippen; John D. Joannopoulos
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Paper Abstract

We demonstrate how dramatic increases in the induced phase shifts caused by small changes in the index of refraction can be achieved by using very slow group velocities of light, which are readily achievable in photonic crystal systems. Combined with the fact that small group velocity greatly decreases the power requirements needed to operate a device, enhanced phase sensitivity may be used to decrease the size and power requirements of many devices, including switches, routers, all-optical logical gates, wavelength converters, etc. We demonstrate how these advantages can be used to design switches smaller than 20*200 square microns in size, using readily available materials, and at modest levels of power. With this approach, one could have "4O such devices on a surface 2*2 square cm, making it an important step towards large-scale all-optical integration.

Paper Details

Date Published: 11 July 2002
PDF: 11 pages
Proc. SPIE 4870, Active and Passive Optical Components for WDM Communications II, (11 July 2002); doi: 10.1117/12.475541
Show Author Affiliations
Marin Soljacic, Massachusetts Institute of Technology (United States)
Steven G. Johnson, Massachusetts Institute of Technology (United States)
Shanhui Fan, Stanford Univ. (United States)
Mihai Ibanescu, Massachusetts Institute of Technology (United States)
Erich P. Ippen, Massachusetts Institute of Technology (United States)
John D. Joannopoulos, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 4870:
Active and Passive Optical Components for WDM Communications II
Achyut Kumar Dutta; Abdul Ahad Sami Awwal; Niloy K. Dutta; Katsunari Okamoto, Editor(s)

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