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pro vyhledávání: '"Tang, Hong X."'
Second harmonic generation (SHG) extensively employs periodically poled nonlinear crystals through forward quasi-phase-matching to achieve efficient frequency conversion. As poling periods approach sub-micrometers, backward quasi-phase-matching has a
Externí odkaz:
http://arxiv.org/abs/2407.09464
The demand for high-performance electromechanical resonators is ever-growing across diverse applications, ranging from sensing and time-keeping to advanced communication devices. Among the electromechanical materials being explored, thin-film lithium
Externí odkaz:
http://arxiv.org/abs/2407.05468
Autor:
Yang, Guangcanlan, Wang, Haochen, Mu, Sai, Xie, Hao, Wang, Tyler, He, Chengxing, Shen, Mohan, Liu, Mengxia, Van de Walle, Chris G., Tang, Hong X.
Nitride ferroelectrics have recently emerged as promising alternatives to oxide ferroelectrics due to their compatibility with mainstream semiconductor processing. ScAlN, in particular, has exhibited remarkable piezoelectric coupling strength ($K^2$)
Externí odkaz:
http://arxiv.org/abs/2405.07978
Sapphire is a promising wideband substrate material for visible photonics. It is a common growth substrate for III-nitride light-emitting diodes and laser structures. Doped sapphires are important gain media foundational to the development of titaniu
Externí odkaz:
http://arxiv.org/abs/2405.03088
We demonstrate optomechanics in the sub-terahertz regime. An optical racetrack resonator, patterned from thin-film lithium niobate, is suspended to support mechanical structures oscillating at these extremely high frequencies, which are read out thro
Externí odkaz:
http://arxiv.org/abs/2405.00284
Microwave-to-optical transducers are integral to the future of superconducting quantum computing, as they would enable scaling and long-distance communication of superconducting quantum processors through optical fiber links. However, optically-induc
Externí odkaz:
http://arxiv.org/abs/2311.08518
Autor:
Shen, Mohan, Xie, Jiacheng, Xu, Yuntao, Wang, Sihao, Cheng, Risheng, Fu, Wei, Zhou, Yiyu, Tang, Hong X.
Broadband, energy-efficient signal transfer between cryogenic and room-temperature environment has been a major bottleneck for superconducting quantum and classical logic circuits. Photonic links promise to overcome this challenge by offering simulta
Externí odkaz:
http://arxiv.org/abs/2309.03284
Parametric down-conversion is a widely exploited technique in optics to produce entangled states of photons for quantum information processing and quantum sensing. In the microwave domain, devices based on Josephson junctions, such as Josephson param
Externí odkaz:
http://arxiv.org/abs/2308.02109
Superconducting microwave amplifiers are essential for sensitive signal readout in superconducting quantum processors. Typically based on Josephson Junctions, these amplifiers require operation at milli-Kelvin temperatures to achieve quantum-limited
Externí odkaz:
http://arxiv.org/abs/2308.02106
Autor:
He, Chengxing, Wang, Yubo, Waldfried, Carlo, Yang, Guangcanlan, Zheng, Jun-Fei, Hu, Shu, Tang, Hong X.
Publikováno v:
Opt. Express 31 (2023) 33923-33929
UV and visible photonics enable applications ranging from spectroscopic sensing to communication and quantum information processing. Photonics structures in these wavelength regimes, however, tend to experience higher loss than their IR counterpart.
Externí odkaz:
http://arxiv.org/abs/2307.00736