166 citations · 863 across the 31 of their papers we have counts for
33 papers
Sidewall-Poled Nanophotonic Lithium Niobate with Bidirectional Characterization
Aditya Tripathi, Michael S. Bullock, Parash Thapalia +10
Accurate characterization of integrated nonlinear photonic devices is often limited by unknown facet-coupling losses and fabrication-induced non-uniformities, leading to systematic…
Rigorous characterization of continuous-variable quantum states via optical parametric amplifiers
Manthan Badbaria, Fumiya Hanamura, Maxime Garnier +2
Characterizing non-Gaussian quantum states is of paramount importance for continuous-variable quantum information processing, yet conventional homodyne-measurement-based state tomo…
Ultra-broadband, Low-loss Wavelength Combiners and Filters: Novel Designs and Experiments in Thin-film Lithium Niobate
Robert Kwolek, Parash Thapalia, Aditya Tripathi +6
Thin-film lithium niobate (TFLN) has emerged as a leading platform for large-scale programmable photonic circuits for quantum and classical applications. As circuits scale in compl…
Quantum networking with advances in fiber technology
Prateek Mantri, Michael S. Bullock, Aditya Tripathi +3
Recent comparisons of quantum repeater protocols have highlighted the strong near-term potential of multiplexed two-way architectures for long-distance quantum communication. At th…
High-Rate Four Photon Subtraction from Squeezed Vacuum: Preparing Cat State for Optical Quantum Computation
Mamoru Endo, Takefumi Nomura, Tatsuki Sonoyama +12
Generating logical qubits, essential for error detection and correction in quantum computation, remains a critical challenge in continuous-variable (CV) optical quantum information…
Scalable Optical Quantum State Synthesizer with Dual-Mode Resonator Memory
Fumiya Hanamura, Kan Takase, Kazuki Hirota +12
Optical quantum computing is a promising approach for achieving large-scale quantum computation. While Gaussian operations have been successfully scaled, the inherently weak nonlin…
Ultrafast All-Optical Measurement of Squeezed Vacuum in a Lithium Niobate Nanophotonic Circuit
James Williams, Elina Sendonaris, Rajveer Nehra +4
Squeezed vacuum, a fundamental resource for continuous-variable quantum information processing, has been used to demonstrate quantum advantages in sensing, communication, and compu…
Ultrashort-pulse-pumped, single-mode type-0 squeezers in lithium niobate nanophotonics
Martin Houde, Liam Beaudoin, Robert Kwolek +3
We present design principles for ultrashort-pulse, type-0 phase-matched optical parametric amplifiers to generate and measure spectrally pure degenerate squeezed light. We consider…
All-optical measurement-device-free feedforward enabling ultra-fast quantum information processing
Taichi Yamashima, Takahiro Kashiwazaki, Takumi Suzuki +8
Optical circuit systems, unlike other systems, have the potential to perform quantum information processing (QIP) at higher clock rate than conventional processing. The approach ut…
Ultrafast single-photon detection using nanophotonic parametric amplifiers
Elina Sendonaris, James Williams, Rajveer Nehra +4
Integrated photonic quantum information processing (QIP) has advanced rapidly due to progress in various nanophotonic platforms. Single photon detectors have been the subject of in…
All-optical Loss-tolerant Distributed Quantum Sensing
Rajveer Nehra, Changhun Oh, Liang Jiang +1
Distributed quantum sensing (DQS) leverages quantum resources to estimate an unknown global property of a networked quantum sensor beyond the classical limit. We propose and analyz…
Optically-Sampled Superconducting-Nanostrip Photon-Number Resolving Detector for Non-Classical Quantum State Generation
Mamoru Endo, Kazuma Takahashi, Takefumi Nomura +11
Photon number-resolving detectors (PNRDs) are the ultimate optical sensors. Superconducting-nanostrip photon detectors (SNSPDs), traditionally known as ON-OFF detectors, have recen…
High-rate Generation and State Tomography of Non-Gaussian Quantum States for Ultra-fast Clock Frequency Quantum Processors
Akito Kawasaki, Ryuhoh Ide, Hector Brunel +16
Quantum information processors greatly benefit from high clock frequency to fully harnessing the quantum advantages before they get washed out by the decoherence. In this pursuit,…
Ultra-Short Pulse Biphoton Source in Lithium Niobate Nanophotonics at 2m
James Williams, Rajveer Nehra, Elina Sendonaris +4
Photonics offers unique capabilities for quantum information processing (QIP) such as room-temperature operation, the scalability of nanophotonics, and access to ultrabroad bandwid…
Mesoscopic ultrafast nonlinear optics -- The emergence of multimode quantum non-Gaussian physics
Ryotatsu Yanagimoto, Edwin Ng, Marc Jankowski +8
Over the last few decades, nonlinear optics has become significantly more nonlinear, traversing nearly a billionfold improvement in energy efficiency, with ultrafast nonlinear nano…
Engineering cubic quantum nondemolition Hamiltonian with mesoscopic optical parametric interactions
Ryotatsu Yanagimoto, Rajveer Nehra, Edwin Ng +2
We propose a scheme to realize cubic quantum nondemolition (QND) Hamiltonian with optical parametric interactions. We show that strongly squeezed fundamental and second harmonic fi…
Quantum nondemolition measurements with optical parametric amplifiers for ultrafast universal quantum information processing
Ryotatsu Yanagimoto, Rajveer Nehra, Ryan Hamerly +3
Realization of a room-temperature ultra-fast photon-number-resolving (PNR) quantum nondemolition (QND) measurement would have significant implications for photonic quantum informat…
Non-equilibrium phase transitions in coupled nonlinear optical resonators
Arkadev Roy, Rajveer Nehra, Carsten Langrock +2
Phase transitions and the associated symmetry breaking are at the heart of many physical phenomena. Coupled systems with multiple interacting degrees of freedom provide a fertile g…
Octave-spanning tunable parametric oscillation in nanophotonics
Luis Ledezma, Arkadev Roy, Luis Costa +6
Widely-tunable coherent sources are desirable in nanophotonics for a multitude of applications ranging from communications to sensing. The mid-infrared spectral region (wavelengths…
Few-cycle vacuum squeezing in nanophotonics
Rajveer Nehra, Ryoto Sekine, Luis Ledezma +4
One of the most fundamental quantum states of light is squeezed vacuum, in which noise in one of the quadratures is less than the standard quantum noise limit. Significant progress…
All-optical ultrafast ReLU function for energy-efficient nanophotonic deep learning
Gordon H. Y. Li, Ryoto Sekine, Rajveer Nehra +4
In recent years, the computational demands of deep learning applications have necessitated the introduction of energy-efficient hardware accelerators. Optical neural networks are a…
Temporal Walk-off Induced Dissipative Quadratic Solitons
Arkadev Roy, Rajveer Nehra, Saman Jahani +4
A plethora of applications have recently motivated extensive efforts on the generation of low noise Kerr solitons and coherent frequency combs in various platforms ranging from fib…
Topological Optical Parametric Oscillation
Arkadev Roy, Midya Parto, Rajveer Nehra +2
Topological insulators possess protected boundary states which are robust against disorders and have immense implications in both fermionic and bosonic systems. Harnessing these to…
Femtojoule, femtosecond all-optical switching in lithium niobate nanophotonics
Qiushi Guo, Ryoto Sekine, Luis Ledezma +6
Optical nonlinear functions are crucial for various applications in integrated photonics, such as all-optical information processing, photonic neural networks and on-chip ultrafast…