Block I logo
University of Illinois Urbana-Champaign
  • My.MNTL
The Grainger College of Engineering
Holonyak Micro & Nanotechnology Lab
Search
  • About

    About

    • Who was Nick Holonyak Jr.?
    • History
    • Administrative Offices and Services
    • Inventory
    • Job Opportunities
    • Purchasing
    • Travel
  • News

    News

    • Holonyak Headlines (monthly)
    • 2030 Strategic Vision
  • Research

    Research

    • Research Themes
      • High Speed Electronic Systems for 5G/6G
      • Photonic Technologies
      • Quantum Technologies
      • Nanoscale Devices for Artificial Intelligence
      • Wide-and Ultrawide-bandgap Power Electronics
      • Translational Biotechnologies
      • Neurotechnologies
    • Faculty Research Groups
    • Research Centers
    • Technology Commercialization
  • Facilities

    Facilities

    • Become a User
      • BioNanotechnology Lab Access
      • Building Access
      • Cleanroom Access
    • Cleanroom Labs
    • Device Characterization Labs
    • BioNanotechnology Laboratory
    • Rates
    • Materials Safety Data Sheets (MSDS)
    • Chemical Storage
    • Atrium + Seminar Room Reservation
  • Alumni

    Alumni

    • Alumni Profiles
  • Directory

    Directory

    • Faculty and Postdocs
      • Resident Faculty
      • Faculty Affiliates
      • Postdocs
    • Graduate Students
    • Staff
  • Events

    Events

    • HMNTL Seminar Series
    • Upcoming Events
    • Fall 2025 Holonyak Workshop
    • Holonyak Workshop 2024
    • HMNTL Graduate Student Colloquium
    • Stillman Lecture Series
    • Webinars
  • Education and Outreach

    Education and Outreach

    • Samsung Semiconductor Technology Program
    • Outreach
  • My.MNTL
  • Home
  • Events
  • From Metasurfaces to Volumetric Meta-optics for Novel Device Functionalities
In This Section
  • Events Overview
  • HMNTL Seminar Series
  • Upcoming Events
  • Fall 2025 Holonyak Workshop
  • Holonyak Workshop 2024
  • HMNTL Graduate Student Colloquium
  • Stillman Lecture Series
  • Webinars

From Metasurfaces to Volumetric Meta-optics for Novel Device Functionalities

4 pm CT, Feb. 17, 2021
Online

Overview

Optical elements with refractive index distribution structured at subwavelength scale, provide an expansive optical design space that can be harnessed for demonstrating multifunctional free-space optical devices. First, I discuss our recent work on dielectric optical metasurfaces that provide sophisticated functionality not easy to achieve with conventional optics. Then I discuss 3D dielectric elements, designed to be placed on top of the pixels of image sensors, that sort and focus light based on its color and polarization with efficiency significantly surpassing 2D absorptive and diffractive filters. The devices are designed via iterative gradient-based optimization to account for multiple target functions while ensuring compatibility with existing nanofabrication processes, and they are experimentally validated using a scaled device that operates at microwave frequencies. This approach combines arbitrary functions into a single compact element, even where there is no known equivalent in bulk optics, enabling novel integrated photonic applications. I further discuss capabilities enabled by volumetric meta-optical devices for compact on-chip polarimetry and discuss implementations using multi-layer nanofabrication.

Bio

Andrei Faraon is a Professor of Applied Physics at the California Institute of Technology. His research interests are in solid state quantum optics and nano-photonics. Applications include quantum information processing, on-chip optical signal processing at ultra-low power levels, energy efficient sensors, bio-photonics. He is a receipient of numerous awards including the AFOSR Young Investigator Award, the ONR Young Investigator Award, the NSF CAREER Award and the Adolph Lomb Medal from Optical Society of America.

 

Holonyak Micro & Nanotechnology Lab

  • Twitter
  • Instagram
  • Facebook
  • LinkedIn
  • YouTube

208 North Wright Street

Urbana, IL 61801

Phone: 217-333-3097

Fax:

Email: mntl@illinois.edu

The Grainger College of Engineering

Get in touch

Around Campus

  • Campus Map
  • University Admissions
  • Careers at Illinois
  • University News
  • Giving at Illinois
  • University Alumni
  • Athletics
  • University Library

Universitywide Resources

  • Emergency Services
  • University Calendars
  • University Directory
  • Student Assistance Center
  • Health and Wellness
  • Parents and Families
  • University COVID-19 Information

About Illinois

  • VC of Diversity, Equity and Inclusion
  • Land Acknowledgement
  • University Research and Innovation
  • Technology Services
  • Illinois International
  • University Strategic Plan
  • University of Illinois System
  • Privacy Policy
  • Copyright © 2025
  • Accessibility
  • Webmaster
  • Login