Tilted-potential photonic crystal cavities for integrated quantum photonics

被引：4

作者：

Delgoffe, A. ^{[1
]}

Miranda, A. ^{[1
]}

Rigal, B. ^{[1
]}

Lyasota, A. ^{[1
]}

Rudra, A. ^{[1
]}

Dwir, B. ^{[1
]}

Kapon, E. ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 15期

关键词：

SINGLE PHOTONS; LOCALIZATION;

D O I：

10.1364/OE.27.021822

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and investigate a new type of photonic crystal (PhC) cavity for integrated quantum photonics, which provides tailored optical modes with both confined and extended spatial components. The structures consist of elongated PhC cavities in which the effective index of refraction is varied quasi-linearly along their axis, implemented by systematic lateral shifts of the PhC holes. The confined modes have approximately Airy-function envelopes, exhibiting single peaks and extended tails, which is useful for optimizing single photon extraction and transmission in integrated quantum photonic devices. The measured spectrally resolved near-field patterns of such devices show the expected spatial and resonance wavelength behavior, in agreement with numerical simulations of the Airy-Bloch modes. The effects of fabrication-induced disorder on the mode features are also analyzed and discussed. Selective excitation of specific Airy-Bloch modes using integrated, site-controlled quantum dots as localized light sources is demonstrated. Based on the tilted-potential cavity, multiple-QD single photon emitters exploiting wavelength division multiplexing are proposed. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：21823 / 21834

页数：12

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