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Two-dimensional (2d) nano-electronics, plasmonics, and emergent phases require clean and local charge control, calling for layered, crystalline acceptors or donors. Our Raman, photovoltage, and electrical conductance measurements combined…

Metal-organic frameworks (MOFs) symbolize the particular class of hybrid crystalline, nano-porous materials made of either discrete metal ions or clusters with organic linkers. Past studies on MOFs-based materials largely focused on…

Materials Science · Physics 2022-06-28 Ranjeev Kumar Parashar , Priyajit Jash , Prakash Chandra Mondal

The plasma dispersion effect and free-carrier absorption are widely used for changing refractive index and absorption coefficient in Si-based optical modulators. However, these free-carrier effects in Si are not large enough for making the…

One of the main milestones in the study of opto- and electro-mechanical systems is to certify entanglement between a mechanical resonator and an optical or microwave mode of a cavity field. In this work, we show how a suitable time-periodic…

Quantum Physics · Physics 2015-06-03 A. Mari , J. Eisert

We investigate plasmonic modulators with a gain material to be implemented as ultra-compact and ultra-fast active nanodevices in photonic integrated circuits. We analyze metal-semiconductor-metal (MSM) waveguides with InGaAsP-based active…

We describe a compact modulator based on a planar photonic crystal nanocavity whose resonance is electrically controlled. A forward bias applied across a p-i-n diode shifts the cavity into and out of resonance with a continuous-wave laser…

Silicon nitride (SiN) is currently the most prominent platform for photonics at visible and near-IR wavelength bandwidth. However, realizing fast electro-optic (EO) modulators, the key components of any integrated optics platform, remains…

Electro-optic (EO) modulation is a well-known and essential topic in the field of communications and sensing. Its ultrahigh efficiency is unprecedentedly desired in the current green and data era. However, dramatically increasing the…

Photonic neural networks benefit from both the high channel capacity- and the wave nature of light acting as an effective weighting mechanism through linear optics. The neuron's activation function, however, requires nonlinearity which can…

In this paper, we present a novel design of electro-optic modulator and optical switching device, based on current integrated optics technique. The advantages of our optical switching device are broadband of input light wavelength,…

Applied Physics · Physics 2019-04-01 Wei Huang , Elica Kyoseva

Many components that are employed in quantum information and communication systems are well known photonic devices encountered in standard optical fiber communication systems, such as optical beamsplitters, waveguide couplers and junctions,…

Quantum Physics · Physics 2011-03-25 Jose Capmany , Carlos R. Fernandez-Pousa

Commercial production of integrated photonic devices is limited by scalability of desirable material platforms. We explore a relatively new photonic material, AlScN, for its use in electro-optic modulation. Its CMOS-compatibility could…

Optics · Physics 2024-05-21 Valerie Yoshioka , Jicheng Jin , Haiqi Zhou , Zichen Tang , Roy H. Olsson , Bo Zhen

Electrooptic modulation performs the conversion between the electrical and optical domain with applications in data communication for optical interconnects, but also for novel optical compute algorithms such as providing nonlinearity at the…

Applied Physics · Physics 2017-10-12 Volker J. Sorger , Rubab Amin , Jacob B. Khurgin , Zhizhen Ma , Hamed Dalir , Sikandar Khan

Modulation format identification (MFI) is crucial in next-generation optical networks such as cognitive optical networks. An integrated-clustering-algorithm-based MFI scheme in a coherent optical communication system is proposed herein.…

Signal Processing · Electrical Eng. & Systems 2021-04-30 Wenbo Zhang , Jinmei Ye , Zixian Yue , Yuxiang Wang , Xulun Zhang , Xiaoguang Zhang , Lixia Xi

Electro-optics serves as the crucial bridge between electronics and photonics, unlocking a wide array of applications ranging from communications and computing to sensing and quantum information. Integrated electro-optics approaches in…

Optical resonators are structures that utilize wave interference and feedback to confine light in all three dimensions. Depending on the feedback mechanism, resonators can support either standing- or traveling-wave modes. Over the years,…

Optics · Physics 2022-08-30 Qi Zhong , Haoqi Zhao , Liang Feng , Kurt Busch , Sahin K. Ozdemir , Ramy El-Ganainy

Achieving optical operation of logic elements, especially those that involve 2D layers, can open the long sought era of optical computing. However, the efficient optical modulation of the electronic properties of 2D materials including…

Applied Physics · Physics 2022-06-22 D. Kundys , A. Cascales , A. S. Makhort , H. Majjad , F. Chevrier , B. Doudin , A. Fedrizzi , B. Kundys

Electric field-induced modulation of the optical properties is crucial for amplitude and phase modulators used in photonic devices. Here, we present a comprehensive study of the band geometry-induced electro-optic effect, specifically…

Mesoscale and Nanoscale Physics · Physics 2024-05-29 M. Maneesh Kumar , Sanjay Sarkar , Amit Agarwal

Optical interconnects are becoming attractive alternatives to electrical wiring in intra- and inter-chip communication links. Particularly, the integration with silicon complementary metal-oxide-semiconductor (CMOS) technology has received…

Mesoscale and Nanoscale Physics · Physics 2013-09-18 Andreas Pospischil , Markus Humer , Marco M. Furchi , Dominic Bachmann , Romain Guider , Thomas Fromherz , Thomas Mueller

Waveguide integrated optical modulators in the mid-infrared (mid-IR) wavelength range are of significant interest for molecular spectroscopy in one hand, as on-chip synchronous detection can improve the performance of detection systems, and…

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