activity
20232026
most citedOptical and spin coherence of Er in epitaxial CeO on silicon

15 citations · 33 across the 9 of their papers we have counts for

collaborators

11 papers

cond-mat.mtrl-sci2026

Direct-Write Chemical Vapor Deposition

Eeshan Ketkar, Swarnabha Chattaraj, Koichi Tanaka +2

Direct-write pattering, using chemical vapor deposition through a nozzle, enables localized film growth using high-purity precursors standard to the electronics industry. Yet, achi…

cond-mat.mtrl-sci2026

A Si-on-SiC Platform for Interfacing with Vanadium Dopants in the Telecom O-Band

Timothy Draher, Nolan Bitner, Vasileios Niaouris +6

Vanadium color centers in silicon carbide (SiC) offer telecom O-band emission, sub-microsecond optical lifetimes, and second-scale spin relaxation times, rendering them promising c…

cond-mat.mtrl-sci2026

Optical decoherence in Er-doped CeO spin qubit platforms

Vrindaa Somjit, Ignas Masiulionis, Gregory D. Grant +7

Erbium ions (Er) in cerium dioxide (CeO) represent a promising spin-photon interface for quantum communication, but the mechanisms limiting their optical coherence remai…

cond-mat.mtrl-sci2025

Microstructural and preliminary optical and microwave characterization of erbium doped CaMoO thin films

Ignas Masiulionis, Bonnie Y. X. Lin, Sagar Kumar Seth +10

This work explores erbium-doped calcium molybdate (CaMoO) thin films grown on silicon and yttria stabilized zirconia (YSZ) substrates, as a potential solid state system for C-b…

quant-ph2025

Spin decoherence dynamics of Er in CeO film

Sagar Kumar Seth, Jonah Nagura, Vrindaa Somjit +10

Developing telecom-compatible spin-photon interfaces is essential towards scalable quantum networks. Erbium ions (Er) exhibit a unique combination of a telecom (1.5 m) op…

quant-ph2024★ 5 cited

Isolation of individual Er quantum emitters in anatase TiO on Si photonics

Cheng Ji, Robert M. Pettit, Shobhit Gupta +10

Defects and dopant atoms in solid state materials are a promising platform for realizing single photon sources and quantum memories, which are the basic building blocks of quantum…

physics.app-ph2024★ 6 cited

Controlled Spalling of Single Crystal 4H-SiC Bulk Substrates

Connor P Horn, Christina Wicker, Antoni Wellisz +5

We detail several scientific and engineering innovations which enable the controlled spalling of 10 - 50 micron thick films of single crystal 4H silicon carbide (4H-SiC) from bulk…

physics.comp-ph2023★ 4 cited

First-Principle Investigation Of Near-Field Energy Transfer Between Localized Quantum Emitters in Solids

Swarnabha Chattaraj, Supratik Guha, Giulia Galli

We present a predictive and general approach to investigate near-field energy transfer processes between localized defects in semiconductors, which couples first principle electron…

quant-ph2023★ 15 cited

Optical and spin coherence of Er in epitaxial CeO on silicon

Jiefei Zhang, Gregory D. Grant, Ignas Masiulionis +8

Solid-state atomic defects with optical transitions in the telecommunication bands, potentially in a nuclear spin free environment, are important for applications in fiber-based qu…

cond-mat.mtrl-sci2023★ 1 cited

Optical and microstructural characterization of Er doped epitaxial cerium oxide on silicon

Gregory D. Grant, Jiefei Zhang, Ignas Masiulionis +15

Rare-earth ion dopants in solid-state hosts are ideal candidates for quantum communication technologies such as quantum memory, due to the intrinsic spin-photon interface of the ra…

quant-ph2023★ 2 cited

Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity

Michael T. Solomon, Martin Koppenhöfer, Mikhail Mamaev +9

We perform resonant fluorescence lifetime measurements on a nanocavity-coupled erbium ensemble as a function of cavity-laser detuning and pump power. Our measurements reveal an ano…