Controlling all Degrees of Freedom of the Optical Coupling in Hybrid Quantum Photonics

• URL: http://arxiv.org/abs/2310.17198v1
• Date: Thu, 26 Oct 2023 07:26:27 GMT
• Title: Controlling all Degrees of Freedom of the Optical Coupling in Hybrid Quantum Photonics
• Authors: Niklas Lettner, Lukas Antoniuk, Anna P. Ovvyan, Helge Gehring, Daniel Wendland, Viatcheslav N. Agafonov, Wolfram H. P. Pernice and Alexander Kubanek
• Abstract summary: We develop a hybrid approach based on negatively-charged silicon-vacancy center in nanodiamonds coupled to a mode of a Si$_3$N$_4$-photonic crystal cavity. We use the frequency of coherent Rabi-oscillations and line-broadening as a measure of the device performance.
• Score: 35.759786254573896
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Nanophotonic quantum devices can significantly boost light-matter interaction which is important for applications such as quantum networks. Reaching a high interaction strength between an optical transition of a spin system and a single mode of light is an essential step which demands precise control over all degrees of freedom of the optical coupling. While current devices have reached a high accuracy of emitter positioning, the placement process remains overall statistically, reducing the device fabrication yield. Furthermore, not all degrees of freedom of the optical coupling can be controlled limiting the device performance. Here, we develop a hybrid approach based on negatively-charged silicon-vacancy center in nanodiamonds coupled to a mode of a Si$_3$N$_4$-photonic crystal cavity, where all terms of the coupling strength can be controlled individually. We use the frequency of coherent Rabi-oscillations and line-broadening as a measure of the device performance. This allows for iterative optimization of the position and the rotation of the dipole with respect to individual, preselected modes of light. Therefore, our work marks an important step for optimization of hybrid quantum photonics and enables to align device simulations with real device performance.

Related papers

• Optical single-shot readout of spin qubits in silicon [41.94295877935867]
  silicon nanofabrication offers unique advantages for integration and up-scaling. Small spin-qubit registers have exceeded error-correction thresholds, their connection to large quantum computers is an outstanding challenge. We implement such an efficient spin-photon interface based on erbium dopants in a nanophotonic resonator.
  arXiv  Detail & Related papers  (2024-05-08T18:30:21Z)
• All-optical modulation with single-photons using electron avalanche [69.65384453064829]
  We demonstrate all-optical modulation using a beam with single-photon intensity. Our approach opens up the possibility of terahertz-speed optical switching at the single-photon level.
  arXiv  Detail & Related papers  (2023-12-18T20:14:15Z)
• Coherent Coupling of a Diamond Tin-Vacancy Center to a Tunable Open Microcavity [0.0]
  We present a quantum photonic interface based on a single Tin-Vacancy center in a micrometer-thin diamond membrane coupled to a tunable open microcavity. We observe a transmission dip of 50 % for low incident photon number per Purcell-reduced excited state lifetime, while the dip disappears as the emitter is saturated with higher photon number. This work establishes a versatile and tunable platform for advanced quantum optics experiments and proof-of-principle demonstrations towards quantum networking with solid-state qubits.
  arXiv  Detail & Related papers  (2023-11-14T19:00:02Z)
• Room Temperature Fiber-Coupled single-photon devices based on Colloidal Quantum Dots and SiV centers in Back Excited Nanoantennas [91.6474995587871]
  Directionality is achieved with a hybrid metal-dielectric bullseye antenna. Back-excitation is permitted by placement of the emitter at or in a sub-wavelength hole positioned at the bullseye center.
  arXiv  Detail & Related papers  (2023-03-19T14:54:56Z)
• Purcell enhancement of single-photon emitters in silicon [68.8204255655161]
  Individual spins that are coupled to telecommunication photons offer unique promise for distributed quantum information processing. We implement such an interface by integrating erbium dopants into a nanophotonic silicon resonator. We observe optical Rabi oscillations and single-photon emission with a 78-fold Purcell enhancement.
  arXiv  Detail & Related papers  (2023-01-18T19:38:38Z)
• An integrated photonic engine for programmable atomic control [29.81784450632149]
  Miniaturization of optical components has pushed the scale and performance of classical and quantum optics far beyond the limitations of bulk devices. We propose and implement a scalable and reconfigurable photonic architecture for multi-channel quantum control using integrated, visible-light modulators.
  arXiv  Detail & Related papers  (2022-08-13T21:12:37Z)
• Tunable directional photon scattering from a pair of superconducting qubits [105.54048699217668]
  In the optical and microwave frequency ranges tunable directionality can be achieved by applying external magnetic fields. We demonstrate tunable directional scattering with just two transmon qubits coupled to a transmission line.
  arXiv  Detail & Related papers  (2022-05-06T15:21:44Z)
• Topologically Protecting Squeezed Light on a Photonic Chip [58.71663911863411]
  Integrated photonics offers an elegant way to increase the nonlinearity by confining light strictly inside the waveguide. We experimentally demonstrate the topologically protected nonlinear process of spontaneous four-wave mixing enabling the generation of squeezed light on a silica chip.
  arXiv  Detail & Related papers  (2021-06-14T13:39:46Z)
• A cavity-enhanced broadband photonic Rabi oscillation [0.0]
  A coherent coupling among different energy photons provided by nonlinear optical interaction is regarded as a photonic version of the Rabi oscillation. Here we demonstrate a wide-bandwidth and efficient photonic Rabi oscillation achieving full-cycle oscillation based on a cavity-enhanced nonlinear optical interaction with a monolithic integration.
  arXiv  Detail & Related papers  (2020-08-04T02:16:46Z)
• Inverse-designed photon extractors for optically addressable defect qubits [48.7576911714538]
  Inverse-design optimization of photonic devices enables unprecedented flexibility in tailoring critical parameters of a spin-photon interface. Inverse-designed devices will enable realization of scalable arrays of single-photon emitters, rapid characterization of new quantum emitters, sensing and efficient heralded entanglement schemes.
  arXiv  Detail & Related papers  (2020-07-24T04:30:14Z)
• Integrated multi-wavelength control of an ion qubit [0.0]
  Monolithic integration of control technologies for atomic systems is a promising route to the development of quantum computers and portable quantum sensors. Here we demonstrate a surface-electrode ion-trap chip using integrated waveguides and grating couplers. Laser light from violet to infrared is coupled onto the chip via an optical-fiber array, creating an inherently stable optical path.
  arXiv  Detail & Related papers  (2020-01-14T21:23:21Z)

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

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.