Low Noise Opto-Electro-Mechanical Modulator for RF-to-Optical Transduction in Quantum Communications

Bonaldi, M.; Borrielli, A.; Giuseppe, Giovanni Di; Malossi, Nicola; Morana, B.; Natali, Riccardo; Piergentili, Paolo; Sarro, P.M.; Serra, E. Bernal; Vitali, David

doi:10.3390/e25071087

Cited by 2 publications

(2 citation statements)

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“…The key feature of optomechanical quantum transducers, as shown in Figure 2, is the utilization of mechanical resonators as intermediaries to complete the microwave-to-optical conversion via microwave-phonon and phonon-photon. Available mechanical resonators include membrane films [25][26][27][28], phononic crystals [29- However, due to losses, lifetime limitations, etc., it is difficult for existing technologies to achieve long-range transmission of solid-state quantum bits, which poses many challenges for our quantum interconnections. Microwave-optical quantum transducer may be a good solution to this problem.…”

Section: Introductionmentioning

confidence: 99%

“…The key feature of optomechanical quantum transducers, as shown in Figure 2, is the utilization of mechanical resonators as intermediaries to complete the microwave-to-optical conversion via microwave-phonon and phonon-photon. Available mechanical resonators include membrane films [25][26][27][28], phononic crystals [29][30][31][32][33][34][35][36], microdisks [37,38], and bulk acoustic wave resonators [39,40], forming a diverse array of optomechanical transducer structures with different performances.…”

Section: Introductionmentioning

confidence: 99%

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Optomechanical Microwave-to-Optical Photon Transducer Chips: Empowering the Quantum Internet Revolution

Xu,

Zhang,

Tang

et al. 2024

Micromachines

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The first quantum revolution has brought us the classical Internet and information technology. Today, as technology advances rapidly, the second quantum revolution quietly arrives, with a crucial moment for quantum technology to establish large-scale quantum networks. However, solid-state quantum bits (such as superconducting and semiconductor qubits) typically operate in the microwave frequency range, making it challenging to transmit signals over long distances. Therefore, there is an urgent need to develop quantum transducer chips capable of converting microwaves into optical photons in the communication band, since the thermal noise of optical photons at room temperature is negligible, rendering them an ideal information carrier for large-scale spatial communication. Such devices are important for connecting different physical platforms and efficiently transmitting quantum information. This paper focuses on the fast-developing field of optomechanical quantum transducers, which has flourished over the past decade, yielding numerous advanced achievements. We categorize transducers based on various mechanical resonators and discuss their principles of operation and their achievements. Based on existing research on optomechanical transducers, we compare the parameters of several mechanical resonators and analyze their advantages and limitations, as well as provide prospects for the future development of quantum transducers.

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Section: Introductionmentioning

confidence: 99%

“…The key feature of optomechanical quantum transducers, as shown in Figure 2, is the utilization of mechanical resonators as intermediaries to complete the microwave-to-optical conversion via microwave-phonon and phonon-photon. Available mechanical resonators include membrane films [25][26][27][28], phononic crystals [29][30][31][32][33][34][35][36], microdisks [37,38], and bulk acoustic wave resonators [39,40], forming a diverse array of optomechanical transducer structures with different performances.…”

Section: Introductionmentioning

confidence: 99%