2.5-dimensional photon crystal-face transmitting laser

Abstract

A 2.5 Uygur photonic crystal surface emanant laser, including: the wafer; the first DBR layer that is made on the wafer; the below envelope that is made on the first DBR layer; the active layer that is made on the below envelope, and forms the photonic crystal structure on it by the eroding technics; the top envelope that is made on the active layer; the p+ envelope that is made on the top envelope; the second DBR layer that is made on the p+ envelope; the top electrode with the hole that is made on the second DBR layer; the below electrode that is made on the bottom surface of the wafer and covers it.

Description

technical field

[0001] The invention relates to a stimulated emission light device, in particular to a stimulated emission light device based on a photonic crystal defect microcavity and made of a 2.5-dimensional photonic crystal. Background technique

[0002] Photonic Crystal-PC, also known as Photonic BandGap-PBG material, is formed by the periodic arrangement of materials with different dielectric constants. Similar to the electronic forbidden band in semiconductors, photonic forbidden bands also exist in photonic crystals. Electromagnetic waves within the forbidden band frequency range decay exponentially in photonic crystals and cannot propagate in the crystals. This principle makes it possible to fabricate high-efficiency light emitting devices (light emitting devices-LEDs) and zero-threshold lasers.

[0003] Although three-dimensional photonic crystals have the best performance, they are difficult to realize due to the complex process, so current research focuses on ...

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