5 papers
Surface passivation for narrowing optical linewidth of silicon T centers in nanophotonic devices
Fariba Islam, Chang-Min Lee, Kyu-Young Kim +3
Silicon T centers are promising spin-photon interfaces in solid-state platforms for telecom-compatible, scalable quantum information technologies. A major challenge for T centers i…
Bright Telecom Spin-Photon Interface in Silicon Photonics
Carolina Crosta, Amirehsan Alizadehherfati, Purbita Purkayastha +5
Silicon is an attractive host for scalable quantum photonics, but the absence of bright telecom-band emitters with optically addressable spin states has limited its use for spin-ph…
Cavity Enhanced Emission from Telecom Rare-Earth System in Colloidal Host
Purbita Purkayastha, Cristian Gonzalez, Cameron Mollazadeh +6
Erbium incorporated in a ceria (CeO2) host offers strong potential as a spin qubit platform, providing a pathway toward telecom-compatible quantum memory. But erbium is a dim emitt…
Bright and Purcell-enhanced single photon emission from a silicon G center
Kyu-Young Kim, Chang-Min Lee, Amirehsan Boreiri +5
Silicon G centers show significant promise as single photon sources in a scalable silicon platform. But these color centers have large non-radiative decay and a low Debye-Waller fa…
Long-lived quantum correlation by cavity-mediated subradiance
Kyu-Young Kim, Jin Hee Lee, Woong Bae Jeon +5
Cooperative effects such as super(sub)radiance in quantum systems arise from the interplay among quantum emitters. While bright superradiant states have been extensively studied an…