183 citations · 1.3k across the 35 of their papers we have counts for
36 papers
Opportunistic full reconstruction of 100-dimensional frequency-bin quantum states
Hanson H. Nguyen, Zachary Goisman, Chen-You Su +5
Frequency-bin encoding provides a scalable platform for photonic quantum information processing by enabling high-dimensional qudit states compatible with the telecommunications inf…
High-resolution tunable frequency beamsplitter enabled by an integrated silicon pulse shaper
Chen-You Su, Kaiyi Wu, Lucas M. Cohen +6
We demonstrate high-fidelity, tunable, and ultrafine-resolution on-chip frequency beamsplitters using a quantum frequency processor based on an integrated pulse shaper with six spe…
A paradigm for universal quantum information processing with integrated acousto-optic frequency beamsplitters
Joseph M. Lukens, John H. Dallyn, Hsuan-Hao Lu +5
Frequency-bin encoding offers tremendous potential in quantum photonic information processing, in which a single waveguide can support hundreds of lightpaths in a naturally phase-s…
Beyond critical coupling: optimal design considerations for spontaneous four-wave mixing in microring resonators
Joseph M. Lukens, Karthik V. Myilswamy, Alexander Miloshevsky +1
We present a self-contained analytical model for biphoton generation in microring resonators. Encompassing both all-pass and add-drop geometries, identical and distinct pump and bi…
Injection locking of GHz-frequency surface acoustic wave phononic crystal oscillator
Zichen Xi, Hsuan-Hao Lu, Jun Ji +4
Low-noise gigahertz (GHz) frequencies sources are essential for applications in signal processing, sensing, and telecommunications. Surface acoustic wave (SAW) resonator-based osci…
On-chip frequency-bin quantum photonics
Karthik V. Myilswamy, Lucas M. Cohen, Suparna Seshadri +2
Frequency-bin encoding furnishes a compelling pathway for quantum information processing systems compatible with established lightwave infrastructures based on fiber-optic transmis…
On-chip pulse shaping of entangled photons
Kaiyi Wu, Lucas M. Cohen, Karthik V. Myilswamy +4
We demonstrate spectral shaping of entangled photons with a six-channel microring-resonator-based silicon photonic pulse shaper. Through precise calibration of thermal phase shifte…
Resilient Entanglement Distribution in a Multihop Quantum Network
Muneer Alshowkan, Joseph M. Lukens, Hsuan-Hao Lu +1
The evolution of quantum networking requires architectures capable of dynamically reconfigurable entanglement distribution to meet diverse user needs and ensure tolerance against t…
Quantum nonlocal modulation cancellation with distributed clocks
Stephen D. Chapman, Suparna Seshadri, Joseph M. Lukens +4
We demonstrate nonlocal modulation of entangled photons with truly distributed RF clocks. Leveraging a custom radio-over-fiber (RFoF) system characterized via classical spectral in…
Building a controlled-NOT gate between polarization and frequency
Hsuan-Hao Lu, Joseph M. Lukens, Muneer Alshowkan +2
By harnessing multiple degrees of freedom (DoFs) within a single photon, controlled quantum unitaries, such as the two-qubit controlled-NOT (CNOT) gate, play a pivotal role in adva…
CMOS photonic integrated source of ultrabroadband polarization-entangled photons
Alexander Miloshevsky, Lucas M. Cohen, Karthik V. Myilswamy +5
We showcase a fully on-chip CMOS-fabricated silicon photonic integrated circuit employing a bidirectionally pumped microring and polarization splitter-rotators tailored for the gen…
Procrustean entanglement concentration in quantum-classical networking
Hsuan-Hao Lu, Muneer Alshowkan, Jude Alnas +2
The success of a future quantum internet will rest in part on the ability of quantum and classical signals to coexist in the same optical fiber infrastructure, a challenging endeav…
Generation and characterization of ultrabroadband polarization-frequency hyperentangled photons
Hsuan-Hao Lu, Muneer Alshowkan, Karthik V. Myilswamy +3
We generate ultrabroadband photon pairs entangled in both polarization and frequency bins through an all-waveguided Sagnac source covering the entire optical C- and L-bands (1530--…
Two-mode squeezing over deployed fiber coexisting with conventional communications
Joseph C. Chapman, Alexander Miloshevsky, Hsuan-Hao Lu +3
Squeezed light is a crucial resource for continuous-variable (CV) quantum information science. Distributed multi-mode squeezing is critical for enabling CV quantum networks and dis…
Characterization of Quantum Frequency Processors
Hsuan-Hao Lu, Nicholas A. Peters, Andrew M. Weiner +1
Frequency-bin qubits possess unique synergies with wavelength-multiplexed lightwave communications, suggesting valuable opportunities for quantum networking with the existing fiber…
Time-resolved Hanbury Brown-Twiss interferometry of on-chip biphoton frequency combs using Vernier phase modulation
Karthik V. Myilswamy, Suparna Seshadri, Hsuan-Hao Lu +5
Biphoton frequency combs (BFCs) are promising quantum sources for large-scale and high-dimensional quantum information and networking systems. In this context, the spectral purity…
Broadband polarization-entangled source for C+L-band flex-grid quantum networks
Muneer Alshowkan, Joseph M. Lukens, Hsuan-Hao Lu +4
The rising demand for transmission capacity in optical networks has motivated steady interest in expansion beyond the standard C-band (1530-1565 nm) into the adjacent L-band (1565-…
Complete frequency-bin Bell basis synthesizer
Suparna Seshadri, Hsuan-Hao Lu, Daniel E. Leaird +2
We report the experimental generation of all four frequency-bin Bell states in a single versatile setup via successive pumping of spontaneous parametric downconversion with single…
Design Methodologies for Integrated Quantum Frequency Processors
Benjamin E. Nussbaum, Andrew J. Pizzimenti, Navin B. Lingaraju +2
Frequency-encoded quantum information offers intriguing opportunities for quantum communications and networking, with the quantum frequency processor paradigm -- based on electro-o…
Nonlocal subpicosecond delay metrology using spectral quantum interference
Suparna Seshadri, Navin Lingaraju, Hsuan-Hao Lu +3
Timing and positioning measurements are key requisites for essential quantum network operations such as Bell state measurement. Conventional time-of-flight measurements using singl…
Double-pass multiple-plate continuum for high temporal contrast nonlinear pulse compression
Bo-Han Chen, Jia-Xuan Su, Jhan-Yu Guo +5
We propose a new architecture, double-pass multiple-plate continuum (DPMPC), for nonlinear pulse compression. In addition to smaller footprint, a double-pass configuration is desig…
High-dimensional discrete Fourier transform gates with the quantum frequency processor
Hsuan-Hao Lu, Navin B. Lingaraju, Daniel E. Leaird +2
The discrete Fourier transform (DFT) is of fundamental interest in photonic quantum information, yet the ability to scale it to high dimensions depends heavily on the physical enco…
Bell state analyzer for spectrally distinct photons
Navin B. Lingaraju, Hsuan-Hao Lu, Daniel E. Leaird +3
We demonstrate a Bell state analyzer that operates directly on frequency mismatch. Based on electro-optic modulators and Fourier-transform pulse shapers, our quantum frequency proc…
Non-Gaussian photonic state engineering with the quantum frequency processor
Andrew J. Pizzimenti, Joseph M. Lukens, Hsuan-Hao Lu +3
Non-Gaussian quantum states of light are critical resources for optical quantum information processing, but methods to generate them efficiently remain challenging to implement. He…