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20232026
most citedMonolithic 3D integration of tantalum pentoxide photonics on arbitrary substrates

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physics.optics2026

Second-harmonic stabilization of a bulk photonic resonator

Lindell M. Williams, Grant M. Brodnik, Scott B. Papp

The resonant modes of optical cavities provide a powerful resource for laser-frequency stabilization, underpinning high-precision metrology and coherent signal generation. Photonic…

physics.optics20251 cited

Monolithic 3D integration of tantalum pentoxide photonics on arbitrary substrates

Grant M. Brodnik, Grisha Spektor, Lindell M. Williams +6

The photonics landscape encompasses a wide scope of material platforms, each optimized for specific functionalities, yet no platform meets the demands of all current and evolving p…

physics.optics2025

Activating high-power parametric oscillation in photonic-crystal resonators

Grant M. Brodnik, Lindell M. Williams, Haixin Liu +4

By engineering the mode spectrum of a Kerr microresonator, we selectively activate nonlinear phase matching amongst broadband parametric gain. At threshold, optical parametric osci…

physics.optics2025

Heterogeneous tantala photonic integrated circuits for sub-micron wavelength applications

Nima Nader, Eric J. Stanton, Grant M. Brodnik +8

Atomic and trapped-ion systems are the backbone of a new generation of quantum-based positioning, navigation, and timing (PNT) technologies. The miniaturization of such quantum sys…

physics.optics2024

Nanophotonic oscillators for laser conversion beyond an octave

Grant M. Brodnik, Haixin Liu, David R. Carlson +2

Many uses of lasers place the highest importance on access to specific wavelength bands. For example, mobilizing optical-atomic clocks for a leap in sensing requires compact lasers…

physics.optics2023

Threshold and laser-conversion in nanostructured-resonator parametric oscillators

Haixin Liu, Grant M. Brodnik, Jizhao Zang +3

We explore optical parametric oscillation (OPO) in nanophotonic resonators, enabling arbitrary, nonlinear phase-matching and nearly lossless control of energy conversion. Such pris…