410 citations · 2.8k across the 45 of their papers we have counts for
35 papers · 1 filter
Non-Hermitian Synthetic Phase Shifter: Topologically-Protected Phase Control via Tunable Losses
Kevin Zelaya, Jonathan Friedman, Hector Rubio +2
Phase shifters are fundamental reconfigurable components in photonic circuits. In conjunction with passive elements, they control light flow and serve as foundational building bloc…
Programmable Space-Frequency Linear Transformations in Photonic Interlacing Architectures
Jonathan Friedman, Kevin Zelaya, Mostafa Honari-Latifpour +1
Programmable photonic circuits are versatile platforms that route light through multiple interference paths using reconfigurable optoelectronic elements to perform complex discrete…
Embedding Matrices in Programmable Photonic Networks with Flexible Depth and Width
Matthew Markowitz, Kevin Zelaya, Mohammad-Ali Miri
We show that programmable photonic circuit architectures composed of alternating mixing layers and active layers offer a high degree of flexibility. This alternating configuration…
Integrated Photonic Programmable Random Matrix Generator with Minimal Active Components
Kevin Zelaya, Mostafa Honari-Latifpour, Mohammad-Ali Miri
Random matrices are fundamental in photonic computing because of their ability to model and enhance complex light interactions and signal processing capabilities. In manipulating c…
Photonic Matrix Multiplier Makes a Direction-Finding Sensor
Kevin Zelaya, Mohammad-Ali Miri
We introduce a photonic integrated circuit solution for the direction-of-arrival estimation in the optical frequency band. The proposed circuit is built on discrete sampling of the…
The Goldilocks Principle of Learning Unitaries by Interlacing Fixed Operators with Programmable Phase Shifters on a Photonic Chip
Kevin Zelaya, Matthew Markowitz, Mohammad-Ali Miri
Programmable photonic integrated circuits represent an emerging technology that amalgamates photonics and electronics, paving the way for light-based information processing at high…
Learning Arbitrary Complex Matrices by Interlacing Amplitude and Phase Masks with Fixed Unitary Operations
Matthew Markowitz, Kevin Zelaya, Mohammad-Ali Miri
Programmable photonic integrated circuits represent an emerging technology that amalgamates photonics and electronics, paving the way for light-based information processing at high…
Universal Unitary Photonic Circuits by Interlacing Discrete Fractional Fourier Transform and Phase Modulation
Matthew Markowitz, Mohammad-Ali Miri
We introduce a novel parameterization of complex unitary matrices, which allows for the efficient photonic implementation of arbitrary linear discrete unitary operators. The propos…
Integrated Photonic Fractional Convolution Accelerator
Kevin Zelaya, Mohammad-Ali Miri
An integrated photonic circuit architecture to perform a modified-convolution operation based on the Discrete Fractional Fourier Transform (DFrFT) is introduced. This is accomplish…
Neural Computing with Coherent Laser Networks
Mohammad-Ali Miri, Vinod Menon
We show that a coherent network of lasers exhibits emergent neural computing capabilities. The proposed scheme is built on harnessing the collective behavior of laser networks for…
Integrated Random Projection and Dimensionality Reduction by Propagating Light in Photonic Lattices
Mohammad-Ali Miri
It is proposed that the propagation of light in disordered photonic lattices can be harnessed as a random projection that preserves distances between a set of projected vectors. Th…
Self-organized vortex and antivortex patterns in laser arrays
Mostafa Honari-Latifpour, Jiajie Ding, So Takei +1
Recently it is shown that dissipatively coupled laser arrays simulate the classical XY model. We show that phase-locking of laser arrays can give rise to the spontaneous formation…
Mapping the XY Hamiltonian onto a Network of Coupled Lasers
Mostafa Honari-Latifpour, Mohammad-Ali Miri
In recent years there has been a growing interest in the physical implementation of classical spin models through networks of optical oscillators. However, a key missing step in th…
Anomalies in Light Scattering
Alex Krasnok, Denis Baranov, Huanan Li +3
Scattering of electromagnetic waves lies at the heart of most experimental techniques over nearly the entire electromagnetic spectrum, ranging from radio waves to optics and X-rays…
Optical circulation in a multimode optomechanical resonator
Freek Ruesink, John P. Mathew, Mohammad-Ali Miri +2
Optical circulators are important components of modern day communication technology. With their ability to route photons directionally, these nonreciprocal elements provide useful…
Optomechanically-induced spontaneous symmetry breaking
Mohammad-Ali Miri, Ewold Verhagen, Andrea Alu
We explore the dynamics of spontaneous breakdown of mirror symmetry in a pair of identical optomechanical cavities symmetrically coupled to a waveguide. Large optical intensities e…
Fundamentals of optical non-reciprocity based on optomechanical coupling
Mohammad-Ali Miri, Freek Ruesink, Ewold Verhagen +1
Optical isolation, non-reciprocal phase transmission and topological phases for light based on synthetic gauge fields have been raising significant interest in the recent literatur…
Nonreciprocity and magnetic-free isolation based on optomechanical interactions
Freek Ruesink, Mohammad-Ali Miri, Andrea Alù +1
Photonic nonreciprocal components, such as isolators and circulators, provide highly desirable functionalities for optical circuitry. This motivates the active investigation of mec…
Scattering properties of PT-symmetric objects
Mohammad-Ali Miri, Mohammad Amin Eftekhar, Margarida Facao +6
We investigate the scattering response of parity-time (PT) symmetric structures. We show that, due to the local flow of energy between gain and loss regions, such systems can defle…
Integrable nonlinear parity-time symmetric optical oscillator
Absar U. Hassan, Hossein Hodaei, Mohammad-Ali Miri +2
The nonlinear dynamics of a balanced parity-time symmetric optical microring arrangement are analytically investigated. By considering gain and loss saturation effects, the pertine…
Single mode lasing in transversely multi-moded PT-symmetric microring resonators
Hoseein Hodaei, Mohammad-Ali Miri, Absar U. Hassan +4
Single mode lasing is experimentally demonstrated in a transversely multi-moded InP-based semiconductor microring arrangement. In this system, mode discrimination is attained by ju…
A systematic approach for designing zero-DGD coupled multi-core optical fibers
Midya Parto, Mohammad Amin Eftekhar, Mohammad-Ali Miri +3
An analytical method is presented for designing N-coupled multi-core fibers with zero differential group delay. This approach effectively reduces the problem to a system of N-1 alg…
Observation of Parity-Time Symmetry in Optically Induced Atomic Lattices
Zhaoyang Zhang, Yiqi Zhang, Jiteng Sheng +6
We experimentally demonstrate PT-symmetric optical lattices with periodical gain and loss profiles in a coherently-prepared four-level N-type atomic system. By appropriately tuning…
Nonlinear reversal of PT symmetric phase transition in a system of coupled semiconductor micro-ring resonators
Absar U. Hassan, Hossein Hodaei, Mohammad-Ali Miri +2
A system of two coupled semiconductor-based resonators is studied when lasing around an exceptional point. We show that the presence of nonlinear saturation effects can have import…