Title :
High electronic-optical conversion efficiency in a vertical-to-surface transmission electro-photonic device with a vertical cavity
Author :
Numai, Takahiro ; Kurihara, Kaori ; Ogura, Ichiro ; Kosaka, Hideo ; Sugimoto, Mitsunori ; Kasahara, Kenichi
Author_Institution :
NEC Corp., Ibaraki, Japan
Abstract :
Electronic-optical conversion efficiency of 11.4% in a vertical-to-surface-transmission electrophotonic device with a vertical cavity is reported. Reduction of the electrical resistance by the double mesa structure, efficient confinement of carriers in the active region by the proton implanted structure, and photon recycling by sidewall reflectors lead to this high conversion efficiency. Efficiency over 10% is achieved for the first time in surface-emitting devices.<>
Keywords :
distributed Bragg reflector lasers; laser cavity resonators; semiconductor lasers; 10 to 11.4 percent; DBR mirrors; GaAs-AlAs; In/sub 0.2/Ga/sub 0.8/As; VC-VSTEP; active region; double mesa structure; efficient carrier confinement; electrical resistance; high electronic optical conversion efficiency; photon recycling; proton implanted structure; sidewall reflectors; surface-emitting devices; vertical cavity; vertical-to-surface transmission electro-photonic device; Anodes; Distributed Bragg reflectors; Electric resistance; Optical reflection; Particle beam optics; Protons; Recycling; Reflectivity; Stimulated emission; Surface resistance;
Journal_Title :
Photonics Technology Letters, IEEE
