Vivek Shrestha

Bull's eye grating integrated with optical nanoantennas for plasmonic enhancement of graphene long-wave infrared photodetectors

Nima Sefidmooye Azar, Vivek Raj Shrestha, Kenneth B Crozier

Journal article  |  2019  |  Applied Physics Letters

Structural color filters based on an all-dielectric metasurface exploiting silicon-rich silicon nitride nanodisks.

Chul-Soon Park, Ishwor Koirala, Song Gao, Vivek Raj Shrestha, Sang-Shin Lee, Duk-Yong Choi

Journal article  |  2019  |  Optics Express

An all-dielectric metasurface is deemed to serve a potential platform to demonstrate spectral filters. Silicon-rich silicon nitrid..

Mid-infrared computational spectroscopy with an electrically-tunable graphene metasurface

VR Shrestha, B Craig, M Amani, J Bullock, A Javey, KB Crozier

Conference Proceedings  |  2019  |  Conference on Lasers and Electro-Optics

© 2019 The Author(s) We demonstrate graphene-plasmonic metasurfaces whose mid-infrared reflection spectra are electrically-tunable..

High-resolution mid-infrared spectral reconstruction using a subwavelength coaxial aperture array

B Craig, J Meng, VR Shrestha, JJ Cadusch, KB Crozier

Conference Proceedings  |  2019  |  Conference on Lasers and Electro-Optics

© 2019 The Author(s) We demonstrate mid-infrared computational spectroscopy using an array of coaxial aperture filters. We experim..

Polarization-resolved black phosphorus/molybdenum disulfide mid-wave infrared photodiodes with high detectivity at room temperature

James Bullock, Matin Amani, Joy Cho, Yu-Ze Chen, Geun Ho Ahn, Valerio Adinolfi, Vivek Raj Shrestha, Yang Gao, Kenneth B Crozier, Yu-Lun Chueh, Ali Javey

Journal article  |  2018  |  Nature Photonics

Experimental demonstration of infrared spectral reconstruction using plasmonic metasurfaces

Benjamin Craig, Vivek Raj Shrestha, Jiajun Meng, Jasper J Cadusch, Kenneth B Crozier

Journal article  |  2018  |  Optics Letters

Experimental Demonstration of Mid-Infrared Computational Spectroscopy with a Plasmonic Filter Array

B Craig, VR Shrestha, J Meng, KB Crozier

Conference Proceedings  |  2018  |  Conference on Lasers and Electro-Optics

Mid-infrared Magnetic Mirror Based on a Hybrid Metal/Dielectric Metasurface

M Ye, S Li, Y Gao, VR Shrestha, KB Crozier

Conference Proceedings  |  2018  |  Conference on Lasers and Electro-Optics

Solution-Synthesized High-Mobility Tellurium Nanoflakes for Short-Wave Infrared Photodetectors

Matin Amani, Chaoliang Tan, George Zhang, Chunsong Zhao, James Bullock, Xiaohui Song, Hyungjin Kim, Vivek Raj Shrestha, Yang Gao, Kenneth B Crozier, Mary Scott, Ali Javey

Journal article  |  2018  |  ACS Nano

Electrical tuning of reflectance of graphene metasurface for unpolarized long wavelength infrared light

VR Shrestha, Y Gao, M Amani, J Bullock, A Javey, KB Crozier

Conference Proceedings  |  2018  |  Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF)

All Dielectric Transmissive Structural Multicolor Pixel Incorporating a Resonant Grating in Hydrogenated Amorphous Silicon

Ishwor Koirala, Vivek Raj Shrestha, Chul-Soon Park, Song Gao, Sang-Shin Lee, Duk-Yong Choi

Journal article  |  2017  |  Scientific Reports

Structural Color Filters Enabled by a Dielectric Metasurface Incorporating Hydrogenated Amorphous Silicon Nanodisks

Chul-Soon Park, Vivek Raj Shrestha, Wenjing Yue, Song Gao, Sang-Shin Lee, Eun-Soo Kim, Duk-Yong Choi

Journal article  |  2017  |  Scientific Reports

Polarization-Controlled Broad Color Palette Based on an Ultrathin One-Dimensional Resonant Grating Structure

Ishwor Koirala, Vivek Raj Shrestha, Chul-Soon Park, Sang-Shin Lee, Duk-Yong Choi

Journal article  |  2017  |  Scientific Reports

Plasmonic filter arrays for infrared spectral reconstruction

B Craig, VR Shrestha, J Meng, KB Crozier

Conference Proceedings  |  2017  |  Frontiers in Optics 2017

Trans-Reflective Color Filters Based on a Phase Compensated Etalon Enabling Adjustable Color Saturation

Chul-Soon Park, Vivek Raj Shrestha, Sang-Shin Lee, Duk-Yong Choi

Journal article  |  2016  |  Scientific Reports

Non-polarizing subtractive structural color filters based on aluminum plasmonics

VR Shrestha, SS Lee, ES Kim, DY Choi

Conference Proceedings  |  2016  |  2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)

Highly Efficient Trans-Reflective Color Filters Incorporating TiO2-MgF2 Multi layer Stacks

Vivek Raj Shrestha, Chul-Soon Park, Ishwor Koirala, Sang-Shin Lee, Duk-Yong Choi

Journal article  |  2015  |  JOURNAL OF THE OPTICAL SOCIETY OF KOREA

Highly efficient trans-reflective color filters incorporating TiO2-MgF2 multilayer stacks

VR Shrestha, CS Park, I Koirala, SS Lee, DY Choi

Journal article  |  2015  |  Journal of the Optical Society of Korea

Polarization-tuned Dynamic Color Filters Incorporating a Dielectric-loaded Aluminum Nanowire Array

Vivek Raj Shrestha, Sang-Shin Lee, Eun-Soo Kim, Duk-Yong Choi

Journal article  |  2015  |  Scientific Reports

Omnidirectional color filters capitalizing on a nano-resonator of Ag-TiO2-Ag integrated with a phase compensating dielectric overlay

Chul-Soon Park, Vivek Raj Shrestha, Sang-Shin Lee, Eun-Soo Kim, Duk-Yong Choi

Journal article  |  2015  |  Scientific Reports

Aluminum micro-patch arrays for highly-sensitive vibration spectroscopy

DY Choi, B Luther-Davies, VR Shrestha, SS Lee

Conference Proceedings  |  2015  |  CLEO: 2015

Aluminum micro-patch arrays for highly-sensitive vibration spectroscopy

Duk-Yong Choi, Barry Luther-Davies, Vivek Raj Shrestha, Sang-Shin Lee

Conference Proceedings  |  2015  |  Conference on Lasers and Electro-Optics Europe - Technical Digest

Silicon nitride waveguide router enabling directional power transmission

Vivek Raj Shrestha, Hak-Soon Lee, Yong-Geon Lee, Sang-Shin Lee

Journal article  |  2014  |  Optics Communications

Aluminum Plasmonics Based Highly Transmissive Polarization-Independent Subtractive Color Filters Exploiting a Nanopatch Array

Vivek R Shrestha, Sang-Shin Lee, Eun-Soo Kim, Duk-Yong Choi

Journal article  |  2014  |  Nano Letters

Transmissive Color Switch Tapping Into a Polarization-Selective Spectral Filter

Chul-Soon Park, Vivek Raj Shrestha, Sang-Shin Lee, Eun-Soo Kim

Journal article  |  2014  |  IEEE Photonics Technology Letters

Non-iridescent Transmissive Structural Color Filter Featuring Highly Efficient Transmission and High Excitation Purity

Vivek Raj Shrestha, Sang-Shin Lee, Eun-Soo Kim, Duk-Yong Choi

Journal article  |  2014  |  Scientific Reports

Enhancement of color saturation and color gamut enabled by a dual-band color filter exhibiting an adjustable spectral response

Vivek Raj Shrestha, Chul-Soon Park, Sang-Shin Lee

Journal article  |  2014  |  Optics Express

ENHANCEMENT OF COLOR SATURATION AND GAMUT OF A RESONANT-GRATING BASED DUAL-BAND COLOR FILTER

Vivek Raj Shrestha, Chul-Soon Park, Sang-Shin Lee

Conference Proceedings  |  2014  |  2014 OptoElectronics and Communication Conference, OECC 2014 and Australian Conference on Optical Fibre Technology, ACOFT 2014

Electrically tunable color filter based on a polarization-tailored nano-photonic dichroic resonator featuring an asymmetric subwavelength grating

Chang-Hyun Park, Yeo-Taek Yoon, Vivek Raj Shrestha, Chul-Soon Park, Sang-Shin Lee, Eun-Soo Kim

Journal article  |  2013  |  Optics Express

Precision Alignment of Infrared-Visible Beams Exploiting a Dual-Laser Transmitter Based on an Integrated Optic Beam Aligner

Vivek Raj Shrestha, Hong-Shik Lee, Sang-Shin Lee

Journal article  |  2013  |  Applied Physics Express

Guided-wave infrared/visible coupler and its incorporation into a miniature beam transmitter

Hong-Shik Lee, Vivek Raj Shrestha, Sang-Shin Lee

Journal article  |  2013  |  Optics Communications

Dual Beam Generator Incorporating a Guided-Wave Beam Aligner Hybrid Integrated with Infrared and Visible Laser Diodes

Hong-Shik Lee, Vivek Raj Shrestha, Sang-Shin Lee

Journal article  |  2013  |  Applied Physics Express

Si3N4 waveguide-based parallel optical interconnect incorporating an interface comprising arrayed grating couplers combined with fiber arrays

Vivek Raj Shrestha, Hak-Soon Lee, Sang-Shin Lee

Journal article  |  2012  |  Applied Optics

High speed optical interconnect based on grating coupler assisted silicon nitride waveguides

VR Shrestha, HS Lee, WJ Kim, SS Lee

Conference Proceedings  |  2012  |  2012 17th Opto-Electronics and Communications Conference