1.7k citations · 4.1k across the 24 of their papers we have counts for
25 papers
Topologically Protected Surface Acoustic Wave Edge States in Phononic Integrated Circuits
Jack Guida, Niccolo Scalise Pantuso, Cristian Cassella +2
Phononic integrated circuits enable the development of compact systems to manipulate radio frequency signals through interconnected networks of acoustic waveguides. Introducing top…
On-chip multi-timescale spatiotemporal optical synchronization
Lida Xu, Mahmoud Jalali Mehrabad, Christopher J. Flower +7
Mode-locking mechanisms are key resources in nonlinear optical phenomena, such as micro-ring solitonic states, and have transformed metrology, precision spectroscopy, and optical c…
Dynamic control of 2D non-Hermitian photonic corner states in synthetic dimensions
Xinyuan Zheng, Mahmoud Jalali Mehrabad, Jonathan Vannucci +5
Non-Hermitian models describe the physics of ubiquitous open systems with gain and loss. One intriguing aspect of non-Hermitian models is their inherent topology that can produce i…
Observation of topological frequency combs
Christopher J. Flower, Mahmoud Jalali Mehrabad, Lida Xu +8
On-chip generation of optical frequency combs using nonlinear ring resonators has opened the route to numerous novel applications of combs that were otherwise limited to mode-locke…
Topological photonics: fundamental concepts, recent developments, and future directions
Mahmoud Jalali Mehrabad, Sunil Mittal, Mohammad Hafezi
Topological photonics is emerging as a new paradigm for the development of both classical and quantum photonic architectures. What makes topological photonics remarkably intriguing…
Excitonic Mott insulator in a Bose-Fermi-Hubbard system of moiré / heterobilayer
Beini Gao, Daniel G. Suárez-Forero, Supratik Sarkar +13
Understanding the Hubbard model is crucial for investigating various quantum many-body states and its fermionic and bosonic versions have been largely realized separately. Recently…
Topological Edge Mode Tapering
Christopher J. Flower, Sabyasachi Barik, Mahmoud Jalali Mehrabad +3
Mode tapering, or the gradual manipulation of the size of some mode, is a requirement for any system that aims to efficiently interface two or more subsystems of different mode siz…
Magneto-Optical Measurements of the Negatively Charged 2 Exciton in WSe
J. C. Sell, J. R. Vannucci, D. G. Suarez-Forero +8
Monolayer transition metal dichalcogenides host a variety of optically excited quasiparticles species that stem from two-dimensional confinement combined with relatively large carr…
Mode Delocalization in Disordered Photonic Chern Insulator
Udvas Chattopadhyay, Sunil Mittal, Mohammad Hafezi +1
In disordered two dimensional Chern insulators, a single bulk extended mode is predicted to exist per band, up to a critical disorder strength; all the other bulk modes are localiz…
Topological Frequency Combs and Nested Temporal Solitons
Sunil Mittal, Gregory Moille, Kartik Srinivasan +2
Recent advances in realizing optical frequency combs using nonlinear parametric processes in integrated photonic resonators have revolutionized on-chip optical clocks, spectroscopy…
Tunable quantum interference using a topological source of indistinguishable photon pairs
Sunil Mittal, Venkata Vikram Orre, Elizabeth A. Goldschmidt +1
Sources of quantum light, in particular correlated photon pairs that are indistinguishable in all degrees of freedom, are the fundamental resource that enables continuous-variable…
Guiding and confining of light in a two-dimensional synthetic space using electric fields
Hamidreza Chalabi, Sabyasachi Barik, Sunil Mittal +3
Synthetic dimensions provide a promising platform for photonic quantum simulations. Manipulating the flow of photons in these dimensions requires an electric field. However, photon…
Chiral quantum optics using a topological resonator
Sabyasachi Barik, Aziz Karasahin, Sunil Mittal +2
Topological photonic structures exhibit chiral edge states that are robust to disorder and sharp bends. When coupled to quantum emitters, these edge states generate directional lig…
Interference of Temporally Distinguishable Photons Using Frequency-Resolved Detection
Venkata Vikram Orre, Elizabeth A. Goldschmidt, Abhinav Deshpande +4
We demonstrate quantum interference of three photons that are distinguishable in time, by resolving them in the conjugate parameter, frequency. We show that the multiphoton interfe…
Photonic Anomalous Quantum Hall Effect
Sunil Mittal, Venkata Vikram Orre, Daniel Leykam +2
We experimentally realize a photonic analogue of the anomalous quantum Hall insulator using a two-dimensional (2D) array of coupled ring resonators. Similar to the Haldane model, o…
A synthetic gauge field for two-dimensional time-multiplexed quantum random walks
Hamidreza Chalabi, Sabyasachi Barik, Sunil Mittal +3
Temporal multiplexing provides an efficient and scalable approach to realize a quantum random walk with photons that can exhibit topological properties. But two dimensional time-mu…
Photonic quadrupole topological phases
Sunil Mittal, Venkata Vikram Orre, Guanyu Zhu +3
The topological phases of matter are characterized using the Berry phase, a geometrical phase, associated with the energy-momentum band structure. The quantization of the Berry pha…
Reconfigurable topological phases in next-nearest-neighbor coupled resonator lattices
Daniel Leykam, S. Mittal, M. Hafezi +1
We present a reconfigurable topological photonic system consisting of a 2D lattice of coupled ring resonators, with two sublattices of site rings coupled by link rings, which can b…
A topological source of quantum light
Sunil Mittal, Elizabeth A. Goldschmidt, Mohammad Hafezi
Quantum light sources are characterized by their distinctive statistical distribution of photons. For example, single photons and correlated photon pairs exhibit antibunching and r…
Temporal and spectral manipulations of correlated photons using a time-lens
Sunil Mittal, Venkata Vikram Orre, Alessandro Restelli +3
A common challenge in quantum information processing with photons is the limited ability to manipulate and measure correlated states. An example is the inability to measure picosec…
Topologically robust transport of entangled photons in a 2D photonic system
Sunil Mittal, Venkata Vikram Orre, Mohammad Hafezi
We theoretically study the transport of time-bin entangled photon pairs in a two-dimensional topological photonic system of coupled ring resonators. This system implements the inte…
On-Chip Silicon Waveguide Bragg Grating Photonic Temperature Sensor
Nikolai N. Klimov, Sunil Mittal, Michaela Berger +1
Resistance thermometry is a time-tested method for taking temperature measurements. In recent years fundamental limits to resistance-based approaches spurred considerable interest…
Measurement of topological invariants in a 2D photonic system
Sunil Mittal, Sriram Ganeshan, Jingyun Fan +2
A hallmark feature of topological physics is the presence of one-way propagating chiral modes at the system boundary. The chirality of edge modes is a consequence of the topologica…
Topologically Robust Transport of Photons in a Synthetic Gauge Field
S. Mittal, J. Fan, S. Faez +3
Electronic transport in low dimensions through a disordered medium leads to localization. The addition of gauge fields to disordered media leads to fundamental changes in the trans…