876 citations · 6.1k across the 42 of their papers we have counts for
42 papers
Resolving and resetting the charge environment of single T-centers in silicon p-i-n waveguides
Chaoshen Zhang, Hanbin Song, Lukasz Komza +6
The silicon T-center is a telecom-band spin-photon interface in a manufacturable photonics platform. In nanophotonic devices, however, its optical linewidth is broadened by a fluct…
Interface Piezoelectric Loss in Superconducting Qubits
Haoxin Zhou, Kangdi Yu, Yashwanth Balaji +5
Dissipation remains a central obstacle to improving superconducting quantum circuits, yet the microscopic origins of loss in widely used materials platforms are not fully understoo…
Entanglement of a nuclear spin qubit register in silicon photonics
Hanbin Song, Xueyue Zhang, Lukasz Komza +9
Color centers provide an optical interface to quantum registers based on electron and nuclear spin qubits in solids. The T center in silicon is an emerging spin-photon interface th…
Laser-induced spectral diffusion of T centers in silicon nanophotonic devices
Xueyue Zhang, Niccolo Fiaschi, Lukasz Komza +3
Color centers in silicon are emerging as spin-photon interfaces operating at telecommunication wavelengths. The nanophotonic device integration of silicon color centers via ion imp…
Multiplexed color centers in a silicon photonic cavity array
Lukasz Komza, Xueyue Zhang, Hanbin Song +3
Entanglement distribution is central to the modular scaling of quantum processors and establishing quantum networks. Color centers with telecom-band transitions and long spin coher…
Probing negative differential resistance in silicon with a P-I-N diode-integrated T center ensemble
Aaron M. Day, Chaoshen Zhang, Chang Jin +6
Solid-state defect quantum systems are exquisite probes of their local charge environment. Nonlinear dynamical electric fields in solids are challenging to characterize directly, c…
Observation of Interface Piezoelectricity in Superconducting Devices on Silicon
Haoxin Zhou, Eric Li, Kadircan Godeneli +7
The evolution of superconducting quantum processors is driven by the need to reduce errors and scale for fault-tolerant computation. Reducing physical qubit error rates requires fu…
A Nanomechanical Atomic Force Qubit
Shahin Jahanbani, Zi-Huai Zhang, Binhan Hua +5
Silicon nanomechanical resonators display ultra-long lifetimes at cryogenic temperatures and microwave frequencies. Achieving quantum control of single-phonons in these devices has…
Acceptor-induced bulk dielectric loss in superconducting circuits on silicon
Zi-Huai Zhang, Kadircan Godeneli, Justin He +4
The performance of superconducting quantum circuits is primarily limited by dielectric loss due to interactions with two-level systems (TLS). State-of-the-art circuits with enginee…
Compressive-Sensing-Enhanced First-Principles Calculation of Photoluminescence Spectra in Color Centers: A Comparison between Theory and Experiment for the G Center in Silicon
Jiongzhi Zheng, Lukasz Komza, Yihuang Xiong +5
Photoluminescence (PL) spectra are a versatile tool for exploring the electronic and optical properties of quantum defect systems. In this work, we investigate the PL spectra of th…
Toward high-fidelity quantum information processing and quantum simulation with spin qubits and phonons
I. Arrazola, Y. Minoguchi, M. -A. Lemonde +2
We analyze the implementation of high-fidelity, phonon-mediated gate operations and quantum simulation schemes for spin qubits associated with silicon vacancy centers in diamond. S…
Non-Markovian dynamics of a superconducting qubit in a phononic bandgap
Mutasem Odeh, Kadircan Godeneli, Eric Li +5
The overhead to construct a logical qubit from physical qubits rapidly increases with the decoherence rate. Current superconducting qubits reduce dissipation due to two-level syste…
High-throughput identification of spin-photon interfaces in silicon
Yihuang Xiong, Céline Bourgois, Natalya Sheremetyeva +6
Color centers in host semiconductors are prime candidates for spin-photon interfaces that would enable numerous quantum applications. The discovery of an optimal spin-photon interf…
Midgap state requirements for optically active quantum defects
Yihuang Xiong, Milena Mathew, Sinéad M. Griffin +2
Optically active quantum defects play an important role in quantum sensing, computing, and communication. The electronic structure and the single-particle energy levels of these qu…
Indistinguishable photons from an artificial atom in silicon photonics
Lukasz Komza, Polnop Samutpraphoot, Mutasem Odeh +8
Silicon is the ideal material for building electronic and photonic circuits at scale. Spin qubits and integrated photonic quantum technologies in silicon offer a promising path to…
First principles study of the T-center in Silicon
Diana Dhaliah, Yihuang Xiong, Alp Sipahigil +2
The T-center in silicon is a well-known carbon-based color center that has been recently considered for quantum technology applications. Using first principles computations, we sho…
Quantum electrodynamics in a topological waveguide
Eunjong Kim, Xueyue Zhang, Vinicius S. Ferreira +7
While designing the energy-momentum relation of photons is key to many linear, non-linear, and quantum optical phenomena, a new set of light-matter properties may be realized by em…
Quantum transduction of optical photons from a superconducting qubit
Mohammad Mirhosseini, Alp Sipahigil, Mahmoud Kalaee +1
Bidirectional conversion of electrical and optical signals lies at the foundation of the global internet. Such converters are employed at repeater stations to extend the reach of l…
Collapse and Revival of an Artificial Atom Coupled to a Structured Photonic Reservoir
Vinicius S. Ferreira, Jash Banker, Alp Sipahigil +5
A structured electromagnetic reservoir can result in novel dynamics of quantum emitters. In particular, the reservoir can be tailored to have a memory of past interactions with emi…
Microwave-to-optical conversion via four-wave-mixing in a cold ytterbium ensemble
Jacob P. Covey, Alp Sipahigil, Mark Saffman
Interfacing superconducting qubits with optical photons requires noise-free microwave-to-optical transducers, a technology currently not realized at the single-photon level. We pro…
Phononic bandgap nano-acoustic cavity with ultralong phonon lifetime
Gregory S. MacCabe, Hengjiang Ren, Jie Luo +5
We present measurements at millikelvin temperatures of the microwave-frequency acoustic properties of a crystalline silicon nanobeam cavity incorporating a phononic bandgap clampin…
Telecom-band quantum optics with ytterbium atoms and silicon nanophotonics
Jacob P. Covey, Alp Sipahigil, Szilard Szoke +3
Wavelengths in the telecommunication window (~1.25-1.65 microns) are ideal for quantum communication due to low transmission loss in fiber networks. To realize quantum networks ope…
Waveguide-mediated interaction of artificial atoms in the strong coupling regime
Mohammad Mirhosseini, Eunjong Kim, Xueyue Zhang +6
Waveguide quantum electrodynamics studies photon-mediated interactions of quantum emitters in a one-dimensional radiation channel. Although signatures of such interactions have bee…
Photon-mediated interactions between quantum emitters in a diamond nanocavity
Ruffin E. Evans, Mihir K. Bhaskar, Denis D. Sukachev +10
Photon-mediated interactions between quantum systems are essential for realizing quantum networks and scalable quantum information processing. We demonstrate such interactions betw…