2007
DOI: 10.1063/1.2720259
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Single mode stimulated emission from prismlike gallium nitride submicron cavities

Abstract: The authors report single mode stimulated emission from optical pumping of prismlike gallium nitride ͑GaN͒ with a side length of 0.75 m. The cavities were formed by reaction-rate-limited photoetching that preserved the nonpolar ͕1010͖ or ͕1120͖ facets. They were characterized by an average quality factor above 10 3 and an equivalent facet reflectivity exceeding 98%, which allowed field amplification by repeated internal reflections in the transverse plane and field polarization along the c axis. Slight spectra… Show more

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Cited by 20 publications
(14 citation statements)
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“…Among the promising modified shapes, they have considered fully convex contours, such as ellipse, stadium, cut circle, various regular polygons, and others [11][12][13][14][15], and also partially concave "notched contours" [16,17]. Probably the highest expectations and the largest amount of effort have been associated with a spiral resonator, with an inplane contour following an Archimedean spiral with a small step [18][19][20][21][22].…”
Section: Introductionmentioning
confidence: 98%
“…Among the promising modified shapes, they have considered fully convex contours, such as ellipse, stadium, cut circle, various regular polygons, and others [11][12][13][14][15], and also partially concave "notched contours" [16,17]. Probably the highest expectations and the largest amount of effort have been associated with a spiral resonator, with an inplane contour following an Archimedean spiral with a small step [18][19][20][21][22].…”
Section: Introductionmentioning
confidence: 98%
“…While Wiersig (2003b) and Kudo et al (2013) concluded that rounding the corners increases the Q-factor, Dietrich et al Other dielectric polygonal cavities have been studied as well, such as squares (Chen et al, 2006;Guo et al, 2003;Lohmeyer, 2002;Poon et al, 2001), rectangles (Wiersig, 2006), regular pentagons (Bogomolny et al, 2011;Lebental et al, 2007), equilateral triangles (Lai et al, 2007;Wysin, 2005), regular dodecagons (Nobis et al, 2007), and octahedrons (Korthout et al, 2009).…”
Section: A Polygonal Cavitymentioning
confidence: 99%
“…[12], the impact of deformation away from straight facets and sharp edges has been investigated for m ¼ 3 and m ¼ 4. WGM have been experimentally studied in triangular [15], square [16], hexagonal [17,18], and dodecagonal [19] cavities. In particular hexagonal cavities ( Fig.…”
mentioning
confidence: 99%
“…1) have been investigated in various material systems such as (Al,Ga)As/ GaAs [20], GaN [21], (In,Ga)N [22], ZnO [17,23,24], In 2 O 3 [25], and organic materials [26]. Stimulated emission (lasing) has been demonstrated for triangular [15,27], hexagonal [28][29][30][31][32], and dodecagonal [33] cavities.…”
mentioning
confidence: 99%