Superprism
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A superprism is a photonic crystal in which an entering beam of light will lead to an extremely large angular dispersion. The ability of the photonic crystal to send optical beams with different wavelengths to considerably different angles in space in superprisms has been used to demonstrate wavelength demultiplexing in these structures. The first superprism also modified group velocity rather than phase velocity in order to achieve the "superprism phenomena". This effect was interpreted as anisotropic dispersion in contrast to an isotropic dispersion. Furthermore, the two beams of light appear to show negative bending within the crystal.[1]
See also
References
- ^ Kosaka, Hideo; Kawashima, Takayuki; Tomita, Akihisa; Notomi, Masaya; Tamamura, Toshiaki; Sato, Takashi; Kawakami, Shojiro (1998). "Superprism phenomena in photonic crystals" (Free PDF download). Physical Review B. 58 (16): R10096. Bibcode:1998PhRvB..5810096K. doi:10.1103/PhysRevB.58.R10096.
Further reading
- Prasad T, Colvin V, Mittleman D (2003). "Superprism phenomenon in three-dimensional macroporous polymer photonic crystals" (PDF). Physical Review B. 67 (16): 165103. Bibcode:2003PhRvB..67p5103P. doi:10.1103/PhysRevB.67.165103.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Nelson B E, Gerken M, Miller D A B, Piestun R, Lin C, Harris J S (2000). "Use of a dielectric stack as a one-dimensional photonic crystal for wavelength demultiplexing by beam shifting". Optics Letters. 25 (20): 1502–4. Bibcode:2000OptL...25.1502N. doi:10.1364/OL.25.001502. PMID 18066259.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Matsumoto T, Fujita S, Baba T (2005). "Wavelength demultiplexer consisting of Photonic crystal superprism and superlens". Optics Express. 13 (26): 10768–76. Bibcode:2005OExpr..1310768M. doi:10.1364/OPEX.13.010768. PMID 19503294.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Witzens J, Baehr-Jones T, Scherer A (2005). "Hybrid superprism with low insertion losses and suppressed cross-talk" (PDF). Physical Review E. 71: 026604. Bibcode:2005PhRvE..71a6604W. doi:10.1103/PhysRevE.71.016604.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Momeni B, Huang J, Soltani M, Askari M, Mohammadi S, Rakhshandehroo M, Adibi A (2006). "Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms". Optics Express. 14 (6): 2413–22. Bibcode:2006OExpr..14.2413M. doi:10.1364/OE.14.002413. PMID 19503580.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Jugessur A, Wu L, Bakhtazad A, Kirk A, Krauss T, De La Rue R (2006). "Compact and integrated 2-D photonic crystal super-prism filter-device for wavelength demultiplexing applications". Optics Express. 14 (4): 1632–42. Bibcode:2006OExpr..14.1632J. doi:10.1364/OE.14.001632. PMID 19503491.
{{cite journal}}: CS1 maint: multiple names: authors list (link)
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