15 papers · ranked by Valyu relevance
Jinwen Zhang, Haitao Zhang, Zhuoyi Yang, Xin Zhu
This paper presents a novel free-space optical Angle-of-Arrival (AOA) estimation method based on arrayed waveguide coherent mode decoding, aiming to surpass the inherent limitations of traditional AOA detection technologies, which face significant challenges in achieving miniaturization, low complexity, and high…
Yunjing Jiao, Kun Yao, Qijing Lin, Jiaqi Du + 5 more
Although AWGs are widely used in FBG interrogation systems, conventional interrogators are often bulky and hard to deploy, limiting their use in complex field environments. Here, we developed an FBG interrogator based on a photonic AWG chip, comprising a photonic chip module, an optoelectronic detection and processing…
Lam Yen Thi Nguyen, Yu-Cheng Lin, Tzu-Yu Chiu, Shao-Jin Liao + 3 more
We propose and demonstrate one-dimensional (1-D) TiO2 dielectric grating structures that couple 793-nm wavelength light and two-dimensional (2-D) surface plasmon polaritons (SPPs) into guided 1-D SPPs supported by dielectric-loaded plasmonic waveguides. The 1-D grating structure consists of a central TiO2 stripe with a…
Marek Vlk, Carson G. Valdez, Anne R. Kroo, Charles Roques-Carmes + 3 more
We exploit a recently proposed concept for a programmable, mechanically robust, and tunable nonresonant silicon photonic integrated circuit filter and experimentally demonstrate it for tuning an erbium-doped fiber laser ring cavity. This filter integrates forward-only interferometer meshes together with a waveguide…
Yong Li, Fei Wu, Huihui Li, Haitao Yang + 3 more
Augmented reality (AR) near-eye displays (NEDs) couple microdisplay image light to the human eye via integrated optical modules, enabling seamless virtual-real fusion. As core components that synergistically transmit and diffract light, diffractive waveguides are promising for next-generation AR NEDs but face two…
Ziliang Ruan, Xijie Wang, Bin Chen, Gengxin Chen + 1 more
Thin-film lithium niobate (TFLN) has emerged as an attractive platform for integrated tunable photonic filters owing to its strong electro-optic response and low optical loss. However, conventional resonant filters, such as micro-rings, are intrinsically constrained by a limited free spectral range (FSR), which hinders…
Seunghyun Lee, Byounghyo Lee, Haejun Chung
Waveguide-based augmented-reality (AR) displays offer compact, optical see-through form factors but remain limited by chromatic dispersion, ghosting from parasitic diffraction orders, distortion of the see-through scene, and a restricted eyebox. We present triple-function metasurface couplers designed using…
Ryotatsu Yanagimoto, Benjamin A. Ash, Mandar M. Sohoni, Martin M. Stein + 6 more
Nonlinear optics1 plays a central role in many photonic technologies, both classical2-5 and quantum6-8. However, the function of a nonlinear-optical device is typically determined during design and fixed during fabrication9, restricting the use of nonlinear optics to scenarios in which this inflexibility is tolerable.…
Carson G. Valdez, Anne R. Kroo, Marek Vlk, Charles Roques-Carmes + 3 more
We demonstrate an integrated photonic circuit based on feed-forward photonic meshes that may be reconfigured to perform a wide range of spectral filter functions in a programmable way. We investigate a subset of the available filter functions, demonstrating that a ${\rm{N}}=4$ input triangular mesh with ${\rm{M}}=3$…
Boyi Zhang, He Li, Xinlun Cai, Felix Vega + 4 more
Here we report the first experimental demonstration of signal trapping by a refractive index front in a silicon waveguide with a periodic perturbation, the so-called optical push broom effect. The refractive index front generated by a fast pump pulse captures and confines the energy of a CW signal propagating with…
Thomas J. G. Mikhail, Seif M. Swillam, Mohamed A. Swillam
This work presents a class of integrated photonic interferometers based on the Michelson architecture, implemented on a silicon-on-insulator platform operating at 1.5-1.6 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy}…
Changhyun Kim, Hansol Kim, Sunghyun Moon, Hojoong Jung + 1 more
Integrated thin-film lithium niobate (TFLN) photonics has emerged as a powerful platform for quantum information science, offering its outstanding nonlinear, electro-optic (EO), and integration capabilities. In this review, we present the latest advances in TFLN-based integrated photonics tailored to quantum…
Carson G. Valdez, Anna J. Miller, Anne R. Kroo, Charles Roques-Carmes + 2 more
Polarization-resolved control and measurement of optical fields are essential for a wide range of photonic systems, including coherent communication, polarimetric sensing, and quantum information processing. We present a photonic integrated circuit architecture that enables the generation and analysis of arbitrary…
Cheng-Yi Cheng, Kuan-Han Wu, Jiang-Qin Shi, Rohit Gupta + 1 more
We demonstrate a voltage-tunable plasmonic modulator that integrates a Bi2Se3 topological insulator thin film with a metal-dielectric plasmonic waveguide. The Bi2Se3 layer, transferred using a polymer-assisted method, enhances the modulation depth of the waveguide by enabling electrically driven carrier redistribution…
Pierre Didier, Prakhar Jain, Mathieu Bertrand, Jost Kellner + 7 more
The mid-infrared spectrum, spanning from 3 to 14 µm, holds great promise for molecular spectroscopy and free space optical communication, benefiting from strong molecular absorption and reduced atmospheric attenuation. While progress in MIR photonics has accelerated due to improved sources and detectors, integrated…