Vertical cavity surface emitting laser

Details Vertical cavity surface emitting laser Vertical cavity surface emitting laser

2011-03-22

2011-03-22

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S050110

Reexamination Certificate

active

07912107

ABSTRACT:
A vertical cavity surface emitting laser capable of efficiently injecting carries into an active region directly under a photonic crystal mirror is provided. The vertical cavity surface emitting laser includes a first reflective mirror102constituting a lower mirror, a second reflective mirror112constituting an upper mirror, and an active layer106provided between the reflective mirrors on a substrate100. The second reflective mirror112includes a periodic refractive index structure periodically arranged in a plane parallel to a surface of the substrate, which structure is composed of a first medium1100having conductivity and a second medium1102having a refractive index lower than that of the first medium1100. A layer structure by a third medium1104having a refractive index lower than that of the first medium1100is embedded in the first medium1100on the lower side of the periodic refractive index structure.

REFERENCES:
patent: 6154480 (2000-11-01), Magnusson et al.
patent: 7120325 (2006-10-01), Uchida
patent: 7483469 (2009-01-01), Mochizuki
Virginie Lousee, et al., “Angular and Polarization Properties of a Photonic Crystal Slab Mirror,” Optics Express, vol. 12, No. 8, Apr. 19, 2004, pp. 1575-1582.
Haroldo T. Hattori, et al., “Analysis of Hybrid Photonic Crystal Vertical Cavity Surface Emitting Lasers,” Optics Express, vol. 11, No. 15, Jul. 28, 2003, pp. 1799-1808.

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