微腔激光器制备材料与方法研究进展

Nagesh Bhat, N. J R, Shrinivasa Mayya D., Prasad P.
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引用次数: 0

摘要

光学微腔是至少具有一个单波长量级的一维的谐振器。这些结构使人们能够控制放置在其中的材料的光学发射特性。与传统激光器不同,它们最引人注目的潜在特性之一是无阈值激光。这是可能的,因为二维单层,异质结构,杂化材料被用作极化激子强耦合的活性层。本文综述了一种不同的微腔激光器制造方法,其中使用了不同类型的活性材料来提高激光效率。由于WS2、MoS2、WSe2和mose2等材料具有很强的激子结合能,因此采用了这些材料。这些使用高反射DBR镜由高折射率的氧化物制成,如SiO2, NbO2, HfO2/Al2O3, SiO2/Ta2O5和SiO2/TiO2。因此,可控自发发射有望在新一代光学器件中发挥至关重要的作用,并在光学、量子计算、高速信号传输等方面具有广泛的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Review on Materials and Methods for the Fabrication of Microcavity Laser
Optical microcavities are resonators that have at least one dimension on the order of a single optical wavelength. These structures enable one to control the optical emission properties of materials placed inside them. One of their most dramatic potential features is threshold-less lasing,unlike the conventional lasers. This is possible due to 2D monolayers, Heterostructures, Hybrid materials which are used as active layers for polariton-exciton strong coupling. In this review paper, a different method of Microcavity laser fabrication is reviewed, where a different type of active materials is utilized to improve the laser efficiency. Materials such as WS2, MoS2, WSe2 and MoSe2are used due to their strong exciton binding energy. These use high reflecting DBR mirrors fabricated using oxides of a higher refractive index such as SiO2, NbO2, HfO2/Al2O3, SiO2/Ta2O5 and SiO2/TiO2. In this way, the controlled spontaneous emission is expected to play a vital role in a new generation of optical devices and can have a wide range of applications in Optics, Quantum computing, high-speed signal transmission, etc.
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