Cheng GUO

Physicist
Ph.D., Applied Physics, Stanford University

Photonics – Energy, Information, Material

Cheng Guo
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guocheng at stanford.edu
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Reciprocity Constraints on Reflection

Loretnz reciprocity is known to impose constraints on transmission, absorption, and emission. We reveal reciprocity constraints on reflection.

Physical Review Letters
Adjoint Kirchhoff's Law of Thermal Radiation

We study the relation between angular spectral absorptivity and emissivity for any thermal emitter using Shubnikov groups.

Physical Review X
Internal Symmetries of Linear Photonic System

We provide a unified theory of reciprocity, energy conservation, and time-reversal symmetry from the perspective of internal symmetry.

Physical Review A
Guided Space-Time Wave Packets

We generate guided space-time wave packets in a multimode waveguide using multilevel interband photonic transitions.

Physical Review Research
Light Bullet Generation with Metasurface

We generate 3D linear light bullets propagating in free space using a single passive nonlocal optical surface.

Light: Science & Applications
Tunable Thermal Emission from Moiré Patterns

We propose a wavelength-tunable narrow-band thermal emitters over a wide wavelength range based on the Moiré effect.

Applied Physics Letters
A Radiative Thermal Router Based on Weyl Semimetals

We demonstrate a radiative thermal router based on magnetic Weyl semimetals.

ACS Photonics
Squeeze Free Space with Nonlocal Flat Optics

We design an optical device that can replace free space of much larger thickness.

Optica
Schubnikov Group for Radiative Heat Transfer

We study the constraints on reciprocal and non-reciprocal many-body radiative heat transfer imposed by symmetry and the second law of thermodynamics.

Physical Review B
Optical Isolators Based on Weyl Semimetals

We design a compact optical isolator using magnetic Weyl semimetals.

Advanced Optical Materials
Nonreciprocal Thermal Radiation with Weyl Semimetals

We design a nonreciprocal thermal emitter based on magnetic Weyl semimetals, which can strongly violate Kirchhoff's law without external magetic fields.

Nano Letters
Meron Spin Textures in Momentum Space

We show that a momentum-space meron spin texture for electromagnetic fields in free space can be generated by controlling the interaction of light with a photonic crystal slab having a nonzero Berry curvature.

Physical Review Letters
Photon Thermal Hall Effect and Persistent Heat Current

We study the relation between photon thermal Hall effect and the persistent heat current in radiative heat transfer.

Physical Review B
Isotropic Wavevector Domain Image Filters

We show that several types of isotropic image filters in the wavevector domain can be implemented with a single photonic crystal slab device.

JOSA A
Enhanced High-Harmonic Generation from Metasurface

We report enhanced non-perturbative highharmonic emission from a Fano-resonant Si metasurface.

Nature Physics
Photonic Crystal Slab Laplace Operator

We implement isotropic optical edge detection with a photonic crystal slab device.

Optica

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Education

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Physical Review Letters

Nature Communications

Physical Review A

Physical Review B

Physical Review Applied

Physical Review Fluids

Physical Review Materials

Physical Review Research

Applied Physics Letters

eLight

Optica

Laser & Photonics Reviews

ACS Photonics

Optics Letters

Optics Express

OSA Continuum

Journal of the Optical Society of America B

Optics Communications

Photonics Research

Applied Optics

International Journal of Thermal Sciences

International Communications in Heat and Mass Transfer

Case Studies in Thermal Engineering

Physics of Plasmas

Results in Physics