#  News 

 



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Alexander Raun, Ph.D.

In November 2024, Alexander Raun successfully defended his thesis, titled "**Gallium Nitride-Based Moiré Photonic Crystals for Applications in Microcavity Lasing**".

Congratulations, Dr. Raun!

   ![Alex Raun defense](/sites/g/files/omnuum6386/files/styles/hwp_1_1__720x720_scale/public/hugroup/files/alen_raun_defense_edited.jpg?itok=6s2fE3g9) 

 

**Jonathan Dietz, Ph.D.**

In September 2024, Jonathan Dietz successfully defended his thesis, titled **“Integrating Spin Defects with Thin-Film Silicon Carbide Devices”**.

Congratulations, Dr. Dietz!

 ![Jonathan Dietz SEM gift](/sites/g/files/omnuum6386/files/2024-12/secret-01.png)

 

(*SEM of etched SiC wafer, courtesy of Amberly Xie*)

**06/24 - New paper out in Nature Communications**

Our group's recent paper on diode integration and electrical control of silicon G centers is out now in [Nature Communications](https://www.nature.com/articles/s41467-024-48968-w).

**09/23 - New paper out in Nature Electronics**

Our group's recent paper on spin acoustic control and MEMS metrology is now out in[ Nature Electronics](https://www.nature.com/articles/s41928-023-01029-4).

**04/23 - New paper out in Nature Materials**

Our group's recent paper on laser writing silicon monovacancy directly into fabricated photonic crystal cavities is now out in [Nature Materials](https://www.nature.com/articles/s41563-023-01544-x).

Nature Materials highlighted the article in a News and Views piece by Sridhar Majety and Marina Radulaski in ["Writing above the bandgap"](https://www.nature.com/articles/s41563-023-01561-w)

Harvard SEAS news highlighted the release in the article[ "Forming and Sensing Optical Emitters in Real Time"](https://seas.harvard.edu/news/2023/05/forming-and-sensing-optical-emitters-real-time) .

**APS March Meeting 2023 - Las Vegas, Nevada**

The group travelled together to Las Vegas for APS March Meeting. Maddie, Jonathan, and Aaron each gave talks on color centers in Diamond and Silicon Carbide, and Matt presetned a poster on fusion gates in Lithium Niobate.

**Defects in Solids for Quantum Technologies 2022 - Stockholm, Sweden**

Maddie, Jonathan, and Aaron travelled to Stockholm to each give talks at DSQT 2022.

**APS March Meeting 2022 - Chicago, Illinois**

Jonathan travelled to Chicago to give a talk at APS March Meeting 2022.

**Mena Gadalla, Ph.D.**

In May 2021, Mena Gadalla successfully defended his thesis, titled **“Nanophotonic Resonators for Quantum Information and Refractory Plasmonics Applications”**.

Congratulations, Dr. Gadalla!

**Andrew Greenspon, Ph. D.**

In June 2021, Andrew (Andy) Greenspon successfully defended his thesis, titled **“Ultrathin Light Sources: Lanthanide Ions in Polyelectrolyte Films and Two-Dimensional Molybdenum Disulfide Interfaced with Gallium Nitride Optical Cavities”**.

Congratulations, Dr. Greenspon!