285 citations · 381 across the 30 of their papers we have counts for
33 papers
Programmable Preparation of Topological Entangled States
M. Javad Zakeri, Alaric Pan, Darren D Hudson +1
Programmable preparation of entangled quantum states is a central requirement for scalable quantum information processing, quantum networking and photonic quantum computing. Topolo…
Nonlinear Reshaping of Gaussian Water Wave Packets
Zibo Zheng, Takuji Waseda, C. Martijn de Sterke +2
The propagation of narrowband wave packets is a classical problem with broad relevance across nonlinear wave physics. Within the framework of the nonlinear Schrödinger equation, so…
Diagonalizing an optical coherence matrix via on-chip Stokes tomography
Amin Hashemi, Abbas Shiri, Bahaa E. A. Saleh +2
Structured coherence -- partially coherent light spanned by a finite number of modes -- is emerging as a powerful tool in optical communications, computation, cryptography, and spe…
Pitch-controlled reorientational nonlinearity in chiral nematic liquid crystals: a reduced-order model for self-focusing and soliton formation
Homa Saadatmand, M. Javad Zakeri, Ahmed Sameh Ahmed +6
We present a reduced-order semi-analytical model for reorientational nonlinearity in chiral nematic liquid crystals, showing that the chiral pitch acts as the dominant physical len…
Pure-Quartic Optical Shock Waves
Sanjida Yeasmin, Sathyanarayanan Chandramouli, Ziad H. Musslimani +1
In this paper, we study the emergence and dynamics of pure-quartic optical dispersive shock waves governed by the nonlinear Schrödinger (NLS) equation with self-defocusing Kerr non…
On-chip measurement of the modal Stokes-Gell-Mann parameters for partially coherent three-mode light
Amin Hashemi, Abbas Shiri, Bahaa E. A. Saleh +2
The Stokes parameters are three real parameters that completely characterize partially coherent optical fields spanned by two modes -- whether a pair of polarization or spatial mod…
Incoherence-assisted mode excitation in non-Hermitian resonant systems
Amin Hashemi, Vinzenz Zimmermann, Armando Perez-Leija +1
We introduce and experimentally demonstrate an approach for selective mode excitation in non-Hermitian resonant systems using incoherent light. This method eliminates the need for…
On-chip control of the coherence matrix of four-mode partially coherent light: rank, entropy, and modal Stokes parameters
Amin Hashemi, Abbas Shiri, Bahaa E. A. Saleh +2
Partially coherent light offers salutary capabilities in optical information processing that cannot be matched by coherent light. To date, this `coherence advantage' has been confi…
Programmable on-chip synthesis and reconstruction of partially coherent two-mode optical fields
Amin Hashemi, Abbas Shiri, Bahaa E. A. Saleh +2
Partially coherent light is typically studied in the context of freely propagating continuous fields. Recent developments have indicated the existence of a `coherence advantage' in…
Machine-learning-enabled characterization of individual ring resonators in integrated photonic lattices
Elizabeth Louis Pereira, Amin Hashemi, Faluke Aikebaier +3
Accurately determining the underlying physical parameters of individual elements in integrated photonics is increasingly difficult as device architectures become more complex. Infe…
Non-Hermitian topological filters
Vinzenz Zimmermann, Amin Hashemi, Kurt Busch +2
We introduce a non-Hermitian photonic filter that harnesses dissipation to selectively isolate a desired topological state. In science and engineering, dissipation is often used to…
High-dimensional topological photonic entanglement
M. Javad Zakeri, Armando Perez-Leija, Andrea Blanco-Redondo
The robust generation and manipulation of high-dimensional quantum states lies at the heart of modern quantum computation. The use of topology to resiliently encode and transport q…
Topology and criticality in non-Hermitian multimodal optical resonators through engineered losses
Elizabeth Louis Pereira, Hongwei Li, Andrea Blanco-Redondo +1
Non-Hermitian topological matter provides a platform for engineering phenomena that go beyond the capabilities of Hermitian systems, enabling the use of losses to engineer topologi…
Communicating at a record 14.5 bits per received photon through a photon-starved channel
Sai Kanth Dacha, Rene-Jean Essiambre, Alexei Ashikhimin +4
Exploration of the Universe requires communication with Earth, either on a direct path or through a cascade of proximate celestial bodies. Microwaves have traditionally been used f…
Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier
Di Che, Stefano Grillanda, Yang Liu +7
Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiple…
Observation of non-Hermitian topology from optical loss modulation
Amin Hashemi, Elizabeth Louis Pereira, Hongwei Li +2
Understanding the interplay of non-Hermiticity and topology is crucial given the intrinsic openness of most natural and engineered systems and it has important ramifications in top…
Non-Hermitian topology and criticality in photonic arrays with engineered losses
Elizabeth Louis Pereira, Hongwei Li, Andrea Blanco-Redondo +1
Integrated photonic systems provide a flexible platform where artificial lattices can be engineered in a reconfigurable fashion. Here, we show that one-dimensional photonic arrays…
Record Photon Information Efficiency with Optical Clock Transmission and Recovery of 12.5 bits/photon over an Optical Channel with 77 dB Loss
René-Jean Essiambre, Cheng Guo, Sai Kanth Dacha +18
We experimentally demonstrate optical detection at 12.5~bits per incident photon, 9.4~dB higher than the theoretical limit of conventional coherent detection. A single laser transm…
Unveiling the origins of quasi-phase matching spectral imperfections in thin-film lithium niobate frequency doublers
Jie Zhao, Xiaoting Li, Ting-Chen Hu +10
Thin-film lithium niobate (TFLN) based frequency doublers have been widely recognized as essential components for both classical and quantum optical communications. Nonetheless, th…
Programmable Integrated Photonics for Topological Hamiltonians
Mehmet Berkay On, Farshid Ashtiani, David Sanchez-Jacome +3
A variety of topological Hamiltonians have been demonstrated in photonic platforms, leading to fundamental discoveries and enhanced robustness in applications such as lasing, sensi…
Enhanced Frequency Noise Discrimination Using Cavity-coupled Mach-Zehnder Interferometer
Mohamad Hossein Idjadi, Andrea Blanco-Redondo
Here, an enhanced frequency noise discriminator is proposed using a cavity-coupled Mach-Zehnder interferometer and demonstrated on a general-purpose programmable integrated photoni…
A surface-normal photodetector as nonlinear activation function in diffractive optical neural networks
Farshid Ashtiani, Mohamad Hossein Idjadi, Ting-Chen Hu +7
Optical neural networks (ONNs) enable high speed parallel and energy efficient processing compared to conventional digital electronic counterparts. However, realizing large scale s…
Biphoton entanglement of topologically-distinct modes
Cooper Doyle, Wei-Wei Zhang, Michelle Wang +3
The robust generation and manipulation of entangled multiphoton states on-chip has an essential role in quantum computation and communication. Lattice topology has emerged as a mea…
Roadmap on Topological Photonics
Hannah Price, Yidong Chong, Alexander Khanikaev +20
Topological photonics seeks to control the behaviour of the light through the design of protected topological modes in photonic structures. While this approach originated from stud…