collaborators

5 papers

physics.optics2026

Photorefractive tuning seeded by third-harmonic light in a diamond photonic crystal cavity

Joe Itoi, Elham Zohari, Nicholas J. Sorensen +6

Single-crystal diamond nanocavities have tremendous potential for use in quantum and nonlinear optical technologies. The ability to precisely control their resonant frequencies is…

physics.optics2026

Exceptional points in diamond optomechanics

Waleed El-Sayed, Elham Zohari, Joe Itoi +6

Multimode cavity optomechanical systems allow light to couple otherwise non-interacting mechanical resonators, enabling non-Hermitian phenomena such as exceptional points, where ei…

physics.optics2026

Saturable absorption in defect-rich diamond nanophotonics

Christopher Coutts, Nicholas J. Sorensen, Elham Zohari +3

Diamond is a leading quantum photonics platform due to its ability to host qubits based on crystal defects such as nitrogen-vacancy centres. Fabricating nanophotonic devices from d…

physics.optics2025

Nanophotonic magnetometry in a spin-dense diamond cavity

Nicholas J. Sorensen, Elham Zohari, Joshua S. Wildeman +3

Quantum sensors based on the nitrogen-vacancy (NV) center in diamond are leading platforms for high-sensitivity magnetometry with nanometer-scale resolution. State-of-the-art imple…

physics.optics2025

Reversing Annealing-Induced Optical Loss in Diamond Microcavities

Vinaya K. Kavatamane, Natalia C. Carvalho, Ahmas El-Hamamsy +2

A key challenge for quantum photonic technologies based on spin qubits is the creation of optically active defects in photonic resonators. Several of the most promising defects for…