Dispersion engineering for vertical microcavities using subwavelength gratings

Physical Review Letters
Zhaorong WangHui Deng

Abstract

We show that the energy-momentum dispersion of a vertical semiconductor microcavity can be modified by design using a high-index-contrast subwavelength grating (SWG) as a cavity mirror. We analyze the angular dependence of the reflection phase of the SWG to illustrate the principles of dispersion engineering. We show examples of engineered dispersions such as ones with much reduced or increased energy density of states and one with a double-well-shaped dispersion. This method of dispersion engineering is compatible with maintaining a high cavity quality factor and incorporating fully protected active media inside the cavity, thus enabling the creation of new types of cavity quantum electrodynamics systems.

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Citations

Dec 10, 2016·Scientific Reports·Gyeong Cheol ParkIl-Sug Chung
Jul 28, 2016·Optics Express·Supannee LearkthanakhachonIl-Sug Chung
Dec 25, 2015·Optics Express·Björn C P SturmbergC Martijn de Sterke
May 20, 2017·Scientific Reports·Alireza Taghizadeh, Il-Sug Chung
Nov 25, 2018·Optics Express·V A ShchukinA Yu Egorov
Feb 27, 2018·Physical Review Letters·H S NguyenP Viktorovitch
Nov 7, 2019·Optics Express·V A ShchukinA Yu Egorov
Oct 21, 2015·Optics Express·Hao TianZhongxiang Zhou
Aug 10, 2017·Optics Express·Kun LiConnie J Chang-Hasnain

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