Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids

D. Coquillat; M. Le Vassor D'Yerville; Stephane Albon Boubanga Tombet; C. Liu; K. Bejtka; I. M. Watson; P. R. Edwards; R. W. Martin; H. M.H. Chong; R. M. De La Rue

doi:10.1002/pssc.200673561

Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids

D. Coquillat, M. Le Vassor D'Yerville, Stephane Albon Boubanga Tombet, C. Liu, K. Bejtka, I. M. Watson, P. R. Edwards, R. W. Martin, H. M.H. Chong, R. M. De La Rue

Broadband Engineering Division

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

Selective area growth offers the promise of producing III-nitride photonic crystals (PhCs) without dry etching and concomitant surface damage. Two PhC structures were studied, one comprising an array of flat-topped GaN micropyramids with micrometre-scale periodicity, and the other made up of sharp-tipped pyramids with sub-micrometre periodicity. Angularly resolved reflection and transmission measurements revealed the presence of sharp resonances associated with resonant Bloch modes. As a result, the photonic band structure was determined along symmetry directions of the reciprocal lattice for the two PhC structures.

Original language	English
Pages (from-to)	95-99
Number of pages	5
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	4
Issue number	1
DOIs	https://doi.org/10.1002/pssc.200673561
Publication status	Published - 2007 Dec 1
Event	6th International Symposium on Blue Laser and Light Emitting Diodes, ISBLLED 2006 - Montpellier, France Duration: 2006 May 15 → 2006 May 19

ASJC Scopus subject areas

Condensed Matter Physics

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Coquillat, D., Le Vassor D'Yerville, M., Boubanga Tombet, S. A., Liu, C., Bejtka, K., Watson, I. M., Edwards, P. R., Martin, R. W., Chong, H. M. H., & De La Rue, R. M. (2007). Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids. Physica Status Solidi (C) Current Topics in Solid State Physics, 4(1), 95-99. https://doi.org/10.1002/pssc.200673561

Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids. / Coquillat, D.; Le Vassor D'Yerville, M.; Boubanga Tombet, Stephane Albon; Liu, C.; Bejtka, K.; Watson, I. M.; Edwards, P. R.; Martin, R. W.; Chong, H. M.H.; De La Rue, R. M.

In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 4, No. 1, 01.12.2007, p. 95-99.

Research output: Contribution to journal › Conference article › peer-review

Coquillat, D, Le Vassor D'Yerville, M, Boubanga Tombet, SA, Liu, C, Bejtka, K, Watson, IM, Edwards, PR, Martin, RW, Chong, HMH & De La Rue, RM 2007, 'Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids', Physica Status Solidi (C) Current Topics in Solid State Physics, vol. 4, no. 1, pp. 95-99. https://doi.org/10.1002/pssc.200673561

Coquillat, D. ; Le Vassor D'Yerville, M. ; Boubanga Tombet, Stephane Albon ; Liu, C. ; Bejtka, K. ; Watson, I. M. ; Edwards, P. R. ; Martin, R. W. ; Chong, H. M.H. ; De La Rue, R. M. / Photonic crystals comprising selectively grown flat-topped and sharp-tipped GaN pyramids. In: Physica Status Solidi (C) Current Topics in Solid State Physics. 2007 ; Vol. 4, No. 1. pp. 95-99.

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abstract = "Selective area growth offers the promise of producing III-nitride photonic crystals (PhCs) without dry etching and concomitant surface damage. Two PhC structures were studied, one comprising an array of flat-topped GaN micropyramids with micrometre-scale periodicity, and the other made up of sharp-tipped pyramids with sub-micrometre periodicity. Angularly resolved reflection and transmission measurements revealed the presence of sharp resonances associated with resonant Bloch modes. As a result, the photonic band structure was determined along symmetry directions of the reciprocal lattice for the two PhC structures.",

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AU - Liu, C.

AU - Bejtka, K.

AU - Watson, I. M.

AU - Edwards, P. R.

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AU - Chong, H. M.H.

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AB - Selective area growth offers the promise of producing III-nitride photonic crystals (PhCs) without dry etching and concomitant surface damage. Two PhC structures were studied, one comprising an array of flat-topped GaN micropyramids with micrometre-scale periodicity, and the other made up of sharp-tipped pyramids with sub-micrometre periodicity. Angularly resolved reflection and transmission measurements revealed the presence of sharp resonances associated with resonant Bloch modes. As a result, the photonic band structure was determined along symmetry directions of the reciprocal lattice for the two PhC structures.

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