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We study the problem of learning association between face and voice, which is gaining interest in the computer vision community lately. Prior works adopt pairwise or triplet loss formulations to learn an embedding space amenable for…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Muhammad Saad Saeed , Muhammad Haris Khan , Shah Nawaz , Muhammad Haroon Yousaf , Alessio Del Bue

As an important problem in acoustics, sound insulation finds applications in a great variety of situations. In the existing schemes, however, there has always been a tradeoff between the thinness of sound-insulating devices and their…

Applied Physics · Physics 2017-12-06 Hai-long Zhang , Yi-fan Zhu , Bin Liang , Jing Yang , Jun Yang , Jian-chun Cheng

Optical geometric-phase metasurface provides a robust and efficient means for light control by simply manipulating the spatial orientations of the in-plane anisotropic meta-atoms, where polarization conversion plays a vital role. However,…

Classical Physics · Physics 2022-06-08 Bingyi Liu , Qunshuo Wei , Zhaoxian Su , Yongtian Wang , Lingling Huang

Amplification of light through stimulated emission or nonlinear optical interactions has had a transformative impact on modern science and technology. The amplification of other bosonic excitations, like phonons in solids, is likely to open…

Materials Science · Physics 2022-06-01 Andrea Cartella , Tobia Federico Nova , Michael Fechner , Roberto Merlin , Andrea Cavalleri

The combination of photonic integrated circuits and free-space meta-optics has the ability to unclasp technological knots that require advanced light manipulation due their conjoined ability to guide and shape electromagnetic waves. The…

We theoretically study the electromagnetic wave radiation of magnons driven by acoustic phonons in systems with strong magnon-phonon interaction. We evaluate the field dependence of radiation intensity spectra which exhibits the avoided…

Mesoscale and Nanoscale Physics · Physics 2022-06-10 Yahui Ji , Chenye Zhang , Tianxiang Nan

Audio-visual speech enhancement system is regarded to be one of promising solutions for isolating and enhancing speech of desired speaker. Conventional methods focus on predicting clean speech spectrum via a naive convolution neural network…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-28 Xinmeng Xu , Jianjun Hao

The penetration depth of photoacoustic imaging in biological tissues has been fundamentally limited by the strong optical attenuation when light is delivered externally through the tissue surface. To address this issue, we previously…

Medical Physics · Physics 2021-02-24 Mucong Li , Tri Vu , Georgy Sankii , Brenton Winship , Kohldon Boydston , Russell Terry , Pei Zhong , Junjie Yao

We propose a new instrumental concept for long-baseline optical single-mode interferometry using integrated optics which were developed for telecommunication. Visible and infrared multi-aperture interferometry requires many optical…

Astrophysics · Physics 2009-10-31 F. Malbet , P. Kern , I. Schanen-Duport , J. -P. Berger , K. Rousselet-Perraut

Directional amplifiers are crucial nonreciprocal devices in both classical and quantum information processing. Here we propose a scheme for realizing a directional amplifier between optical and microwave fields based on an optomechanical…

Quantum Physics · Physics 2018-05-22 Cheng Jiang , L. N. Song , Yong Li

A novel scheme for tunable optofluidic optical coupler is proposed, by using directional coupling waveguide structure and microfluidic channel with two tapers at end points. The normalized optical power at two output ports can be…

Applied Physics · Physics 2019-10-01 Xionggui Tang , Fang Meng

Metasurfaces have achieved fruitful results in tailoring complexing light fields in free space. However, a systematic investigation on applying the concept of meta-optics to completely control waveguide modes is still elusive. Here we…

Optics · Physics 2021-11-04 Yuan Meng , Tiantian He , Zhoutian Liu , Futai Hu , Qirong Xiao , Qiang Liu , Mali Gong

We introduce an alternative receiver architecture for deep-space optical communication, in which a single large aperture is replaced by an array of smaller ones with outputs combined coherently, employing phase stabilization based on photon…

We propose a composite acousto-optical modulation (AOM) scheme for wide-band, efficient modulation of CW and pulsed lasers. We show that by adjusting the amplitudes and phases of weakly-driven daughter AOMs, diffraction beyond the Bragg…

Optics · Physics 2022-07-27 Ruijuan Liu , Yudi Ma , Lingjing Ji , Liyang Qiu , Minbiao Ji , Zhensheng Tao , Saijun Wu

Light carrying orbital angular momentum constitutes an important resource for both classical and quantum information technologies. Its inherently unbounded nature can be exploited to generate high-dimensional quantum states or for channel…

Multiplexed planar printings, made of single or few layer micro and nano optical platforms, are essential for high capacity display, information storage and encryption. Although having been developed rapidly, the demonstrated channels are…

Optics · Physics 2022-06-17 Yunxuan Wei , Tie Hu , Xing Feng , Ming Zhao , Zhenyu Yang

Acousto-optic (AO) interactions provide a powerful interface between the microwave and optical domains, enabling functionalities such as optical switching, non-reciprocal propagation and efficient microwave-to-optical transduction.…

Rendering objects invisible to impinging acoustic waves (cloaking) and creating acoustic illusions (holography) has been attempted using active and passive approaches. While passive methods are applicable only to narrow frequency bands,…

Electro-optic signal modulation provides a key functionality in modern technology and information networks. Photonic integration has enabled not only miniaturizing photonic components, but also provided performance improvements due to…

On-chip cavity optomechanics, in which strong co-localization of light and mechanical motion is engineered, relies on efficient coupling of light both into and out of the on-chip optical resonator. Here we detail our particular style of…

Mesoscale and Nanoscale Physics · Physics 2014-05-19 Bradley D Hauer , Paul H Kim , Callum Doolin , Allison JR MacDonald , Hugh Ramp , John P Davis