activity
20242026
collaborators

6 papers

physics.optics2026

Quantum Frequency Resolved Optical Gating of Few-Cycle Squeezed Vacuum

Thomas Zacharias, Elina Sendonaris, Robert Gray +5

Offering terahertz of bandwidths and femtosecond timescales, ultrafast optics is enabling both the study of fundamental quantum optical phenomena and the advancement of quantum-enh…

physics.optics2025

Quadratic Supercontinuum Generation from UV to Mid-IR in Lithium Niobate Nanophotonics

Selina Zhou, Maximilian Shen, Ryoto Sekine +6

Supercontinuum light sources are widely used for applications ranging from imaging to sensing and frequency comb stabilization. The most common mechanisms for their generation rely…

physics.optics2025

Two-optical-cycle pulses from nanophotonic two-color soliton compression

Robert M. Gray, Ryoto Sekine, Maximilian Shen +7

Few- and single-cycle optical pulses and their associated ultra-broadband spectra have been crucial in the progress of ultrafast science and technology. Moreover, multi-color wavef…

physics.optics2025

Energy-Efficient Ultrashort-Pulse Characterization using Nanophotonic Parametric Amplification

Thomas Zacharias, Robert Gray, Ryoto Sekine +3

The growth of ultrafast nanophotonic circuits necessitates the development of energy-efficient on-chip pulse characterization techniques. Nanophotonic realizations of Frequency Res…

physics.optics2024

Large-scale time-multiplexed nanophotonic parametric oscillators

Robert M. Gray, Ryoto Sekine, Luis Ledezma +5

Arrays of nonlinear resonators offer a fertile ground for a wide range of complex phenomena and opportunities for advanced photonic sensing and computing. Recently, significant att…

physics.optics2024

Quadratic-soliton-enhanced mid-IR molecular sensing

Robert M. Gray, Mingchen Liu, Selina Zhou +3

Optical solitons have long been of interest both from a fundamental perspective and because of their application potential. Both cubic (Kerr) and quadratic nonlinearities can lead…