138 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of Texas at AustinUS23 papers
- George Washington UniversityUS7 papers
- University of DaytonUS4 papers
- University of WashingtonUS4 papers
- Oregon State UniversityUS2 papers
- Argonne National LaboratoryUS1 paper
- Beijing University of TechnologyCN1 paper
- Groupe de Recherche sur les formes Injectables et les Technologies Associées1 paper
- Indian Institute of Science BangaloreIN1 paper
- Institute of Earth Sciences, Academia SinicaTW1 paper
- Johns Hopkins UniversityUS1 paper
- Koneru Lakshmaiah Education FoundationIN1 paper
30 papers
Mid-infrared 2D nonredundant optical phased array of mirror emitters in an InGaAs/InP platform
Jason Midkiff, Po-Yu Hsiao, Patrick T. Camp +1
The extension of photonic technologies such as lidar and free-space optical communications from the traditional visible and near-infrared wavelengths to longer wavelengths can impr…
Incubating Advances in Integrated Photonics with Emerging Sensing and Computational Capabilities
Sourabh Jain, May Hlaing, Kang Chieh Fan +6
As photonic technologies continue to grow in multidimensional aspects, integrated photonics holds a unique position and continuously presents enormous possibilities to research com…
Neural Network Methods for Radiation Detectors and Imaging
S. Lin, S. Ning, H. Zhu +6
Recent advances in image data processing through machine learning and especially deep neural networks (DNNs) allow for new optimization and performance-enhancement schemes for radi…
Fast Accurate Point of Care COVID-19 Pandemic Diagnosis Enabled Through Advanced Lab-on-a-Chip Optical Biosensors: Opportunities and Challenges
Aref Asghari, Chao Wang, Kyoung Min Yoo +2
The sudden rise of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic early 2020 throughout the world has called into drastic action measures to do instant detec…
A Lateral MOS-Capacitor Enabled ITO Mach-Zehnder Modulator for Beam Steering
Rubab Amin, Rishi Maiti, Jonathan K. George +5
Here, we experimentally demonstrate an Indium Tin Oxide (ITO) Mach-Zehnder interferometer heterogeneously integrated in silicon photonics. The phase shifter section is realized in…
Compact Graphene Plasmonic Slot Photodetector on Silicon-on-insulator with High Responsivity
Zhizhen Ma, Kazuya Kikunage, Hao Wang +7
Graphene has extraordinary electro-optic properties and is therefore a promising candidate for monolithic photonic devices such as photodetectors. However, the integration of this…
Towards integrated metatronics: a holistic approach on precise optical and electrical properties of Indium Tin Oxide
Yaliang Gui, Mario Miscuglio, Zhizhen Ma +5
The class of transparent conductive oxides includes the material indium tin oxide (ITO) and has become a widely used material of modern every-day life such as in touch screens of s…
0.52 V-mm ITO-based Mach-Zehnder Modulator in Silicon Photonics
Rubab Amin, Rishi Maiti, Caitlin Carfano +6
Electro-optic modulators transform electronic signals into the optical domain and are critical components in modern telecommunication networks, RF photonics, and emerging applicati…
Selective Near Perfect Light Absorbtion by Graphene Monolayer Using Aperiodic Multilayer Microstructures
Iman Zand, Hamed Dalir, Ray T. Chen +1
We investigate 1D aperiodic multilayer microstructures in order to achieve near total absorption in preselected wavelengths in a graphene monolayer. Our structures are designed by…
Attojoule-Efficient Graphene Optical Modulators
Rubab Amin, Zhizhen Ma, Rishi Maiti +4
Electro-optic modulation is a technology-relevant function for signal keying, beam steering, or neuromorphic computing through providing the nonlinear activation function of a perc…
Low-loss Tunable 1-D ITO-slot Photonic Crystal Nanobeam Cavity
Rubab Amin, Mohammad H. Tahersima, Zhizhen Ma +4
Tunable optical material properties enable novel applications in both versatile metamaterials and photonic components including optical sources and modulators. Transparent conducti…
Carrier Trapping by Oxygen Impurities in Molybdenum Diselenide
Ke Chen, Anupam Roy, Amritesh Rai +7
Understanding defect effect on carrier dynamics is essential for both fundamental physics and potential applications of transition metal dichalcogenides. Here, the phenomenon of ox…
Giant Thermal Conductivity Enhancement in Multilayer MoS2 under Highly Compressive Strain
Xianghai Meng, Tribhuwan Pandey, Suyu Fu +9
Multilayer MoS2 possesses highly anisotropic thermal conductivities along in-plane and cross-plane directions that could hamper heat dissipation in electronics. With about 9% cross…
Hybrid Photonic-Plasmonic Non-blocking Broadband 5x5 Router for Optical Networks
Shuai Sun, Vikram K. Narayana, Ibrahim Sarpkaya +5
Photonic data routing in optical networks overcomes the limitations of electronic routers with respect to data rate, latency, and energy consumption while suffering from dynamic po…
Design of a plasmonic-organic hybrid slot waveguide integrated with a bowtie-antenna for terahertz wave detection
Xingyu Zhang, Chi-Jui Chung, Harish Subbaraman +3
Electromagnetic (EM) wave detection over a large spectrum has recently attracted significant amount of attention. Traditional electronic EM wave sensors use large metallic probes w…
Integrated Broadband Bowtie Antenna on Transparent Silica Substrate
Xingyu Zhang, Chi-Jui Chung, Shiyi Wang +4
The bowtie antenna is a topic of growing interest in recent years. In this paper, we design, fabricate, and characterize a modified gold bowtie antenna integrated on a transparent…
Ultra-compact and wide-spectrum-range thermo-optic switch based on silicon coupled photonic crystal microcavities
Xingyu Zhang, Swapnajit Chakravarty, Chi-Jui Chung +3
We design, fabricate, and experimentally demonstrate a compact thermo-optic gate switch comprising a 3.78 um-long coupled L0-type photonic crystalmicrocavities on a silicon-on-insu…
Design of Highly Efficient Hybrid Si-Au Taper for Dielectric Strip Waveguide to Plasmonic Slot Waveguide Mode Converter
Chin-Ta Chen, Xiaochuan Xu, Amir Hosseini +4
In this paper, we design a dielectric-to-plasmonic slot waveguide mode converter based on the hybrid silicon-gold taper. The effects of mode matching, the effective index matching,…
Low-loss mode converter for coupling light into slotted photonic crystal waveguide
Xingyu Zhang, Harish Subbaraman, Amir Hosseini +4
We design, fabricate and experimentally demonstrate a highly efficient adiabatic mode converter for coupling light into a silicon slot waveguide with a slot width as large as 320nm…
Broadband energy-efficient optical modulation by hybrid integration of silicon nanophotonics and organic electro-optic polymer
Xingyu Zhang, Amir Hosseini, Harish Subbaraman +7
Silicon-organic hybrid integrated devices have emerging applications ranging from high-speed optical interconnects to photonic electromagnetic-field sensors. Silicon slot photonic…
Integrated broadband bowtie antenna on transparent substrate
Xingyu Zhang, Shiyi Wang, Harish Subbaraman +5
The bowtie antenna is a topic of growing interest in recent years. In this paper, we design, fabricate, and characterize a modified gold bowtie antenna integrated on a transparent…
Antenna-coupled silicon-organic hybrid integrated photonic crystal modulator for broadband electromagnetic wave detection
Xingyu Zhang, Amir Hosseini, Harish Subbaraman +10
In this work, we design, fabricate and characterize a compact, broadband and highly sensitive integrated photonic electromagnetic field sensor based on a silicon-organic hybrid mod…
Miniaturized Low-power Electro-optic Modulator Based on Silicon Integrated Nanophotonics and Organic Polymers
Xingyu Zhang, Amir Hosseini, Jingdong Luo +2
We design and demonstrate a compact, low-power, low-dispersion and broadband optical modulator based on electro-optic (EO) polymer refilled silicon slot photonic crystal waveguide…
Improved performance of traveling wave directional coupler modulator based on electro-optic polymer
Xingyu Zhang, Beomsuk Lee, Che-yun Lin +4
Polymer based electro-optic modulators have shown great potentials in high frequency analog optical links. Existing commercial LiNibO3 Mach-Zehnder modulators have intrinsic drawba…