Related papers: Ground-state Pulsed Cavity Electro-optics for Microwave-to-optical Conversion

Ground-state Pulsed Cavity Electro-optics for Microwave-to-optical Conversion

URL: http://arxiv.org/abs/2010.11392v1
Date: Thu, 22 Oct 2020 02:53:46 GMT
Title: Ground-state Pulsed Cavity Electro-optics for Microwave-to-optical Conversion
Authors: Wei Fu, Mingrui Xu, Xianwen Liu, Chang-Ling Zou, Changchun Zhong, Xu Han, Mohan Shen, Yuntao Xu, Risheng Cheng, Sihao Wang, Liang Jiang, Hong X. Tang
Abstract summary: We study the extraneous noise added to an electro-optic transducer in its quantum ground state under an intense pulsed optical excitation. Our results shed light on suppressing microwave noise in a cavity electro-optic system under intense optical drive, which is an essential step towards quantum state between microwave and optical frequencies.
Score: 5.872328549827905
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: In the development of quantum microwave-to-optical (MO) converters, excessive noise induced by the parametric optical drive remains a major challenge at milli-Kelvin temperatures. Here we study the extraneous noise added to an electro-optic transducer in its quantum ground state under an intense pulsed optical excitation. The integrated electro-optical transducer leverages the inherent Pockels effect of aluminum nitride microrings, flip-chip bonded to a superconducting resonator. Applying a pulsed optical drive with peak power exceeding the cooling power of the dilution refrigerator at its base temperature, we observe efficient bi-directional MO conversion, with near-ground state microwave thermal excitation ($\bar{n}_\mathrm{e}=0.09\pm0.06$). Time evolution study reveals that the residual thermal excitation is dominated by the superconductor absorption of stray light scattered off the chip-fiber interface. Our results shed light on suppressing microwave noise in a cavity electro-optic system under intense optical drive, which is an essential step towards quantum state transduction between microwave and optical frequencies.

Related papers

High-Efficiency Low-Noise Optomechanical Crystal Photon-Phonon Transducers [0.18472148461613155]
Optomechanical crystals (OMCs) enable coherent interactions between optical photons and microwave acoustic phonons. thermal noise at cryogenic (millikelvin) temperatures is one of the primary limitations of performance for OMC-based quantum transducers.
arXiv Detail & Related papers (2024-06-22T01:05:36Z)
Light-Induced Microwave Noise in Superconducting Microwave-Optical Transducers [1.2874569408514918]
We study light-induced microwave noise in an integrated electro-optical transducer harnessing Pockels effect of thin film lithium niobate. Our results gain insights into the mechanisms and corresponding mitigation strategies for light-induced microwave noise in superconducting microwave-optical transducers.
arXiv Detail & Related papers (2023-11-14T20:25:34Z)
Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action [0.0]
Quantum optical control of superconducting microwave circuits has been precluded so far due to the weak electro-optical coupling. We report the coherent control of a superconducting microwave cavity using laser pulses in a multimode electro-optical device at millikelvin temperature.
arXiv Detail & Related papers (2022-10-22T13:21:48Z)
Resolving Fock states near the Kerr-free point of a superconducting resonator [51.03394077656548]
We have designed a tunable nonlinear resonator terminated by a SNAIL (Superconducting Asymmetric Inductive eLement) We have excited photons near this Kerr-free point and characterized the device using a transmon qubit.
arXiv Detail & Related papers (2022-10-18T09:55:58Z)
Quantum-limited millimeter wave to optical transduction [50.663540427505616]
Long distance transmission of quantum information is a central ingredient of distributed quantum information processors. Current approaches to transduction employ solid state links between electrical and optical domains. We demonstrate quantum-limited transduction of millimeter-wave (mmwave) photons into optical photons using cold $85$Rb atoms as the transducer.
arXiv Detail & Related papers (2022-07-20T18:04:26Z)
High-efficiency microwave-optical quantum transduction based on a cavity electro-optic superconducting system with long coherence time [52.77024349608834]
Frequency conversion between microwave and optical photons is a key enabling technology to create links between superconducting quantum processors. We propose a microwave-optical platform based on long-coherence-time superconducting radio-frequency (SRF) cavities. We show that the fidelity of heralded entanglement generation between two remote quantum systems is enhanced by the low microwave losses.
arXiv Detail & Related papers (2022-06-30T17:57:37Z)
Slowing down light in a qubit metamaterial [98.00295925462214]
superconducting circuits in the microwave domain still lack such devices. We demonstrate slowing down electromagnetic waves in a superconducting metamaterial composed of eight qubits coupled to a common waveguide. Our findings demonstrate high flexibility of superconducting circuits to realize custom band structures.
arXiv Detail & Related papers (2022-02-14T20:55:10Z)
Optomechanical ground-state cooling in a continuous and efficient electro-optic transducer [0.0]
A quantum link between microwave and optical frequencies would be an important step towards the realization of a quantum network of superconducting processors. We present an efficient and continuously operating electro-optomechanical transducer whose mechanical mode has been optically sideband-cooled to its quantum ground state. The thermal occupancy of the transducer's microwave mode is minimally affected by continuous laser illumination with power more than two orders of magnitude greater than that required for optomechanical ground-state cooling.
arXiv Detail & Related papers (2021-12-26T18:16:48Z)
Near-Field Terahertz Nanoscopy of Coplanar Microwave Resonators [61.035185179008224]
Superconducting quantum circuits are one of the leading quantum computing platforms. To advance superconducting quantum computing to a point of practical importance, it is critical to identify and address material imperfections that lead to decoherence. Here, we use terahertz Scanning Near-field Optical Microscopy to probe the local dielectric properties and carrier concentrations of wet-etched aluminum resonators on silicon.
arXiv Detail & Related papers (2021-06-24T11:06:34Z)
Open-cavity in closed-cycle cryostat as a quantum optics platform [47.50219326456544]
We present a fiber-based open Fabry-P'erot cavity in a closed-cycle cryostat exhibiting ultra-high mechanical stability. This set of results manifests open-cavity in a closed-cycle cryostat as a versatile and powerful platform for low-temperature cavity QED experiments.
arXiv Detail & Related papers (2021-03-09T18:41:48Z)

This list is automatically generated from the titles and abstracts of the papers in this site.