activity
20212025
most citedPower-Efficient Silicon Nitride Thermo-Optic Phase Shifters for Visible Light

106 citations · 170 across the 8 of their papers we have counts for

collaborators

9 papers

physics.optics2025

Hybrid Integration of InGaN Lasers in a Foundry-Fabricated Visible-Light Photonics Platform

Xin Mu, Frank Weiss, Hongyao Chua +9

Visible-spectrum photonic integrated circuits (PICs) present compact and scalable solutions for emerging technologies including quantum computing, biosensing, and virtual/augmented…

physics.optics2025

Broadband Waveguide-Coupled Photodetectors in a Submicrometer-Wavelength Silicon Photonics Platform

Alperen Govdeli, Jared C. Mikkelsen, Engjell Bebeti +4

Advances in silicon (Si) photonics at submicrometer wavelengths are unlocking new opportunities to realize miniaturized, scalable optical systems for biophotonics, quantum informat…

physics.optics2025★ 3 cited

Thermally Induced Refractive Index Trimming of Visible-Light Silicon Nitride Waveguides Using Suspended Heaters

Hong Chen, Tianyuan Xue, Zheng Yong +6

We demonstrate refractive index trimming of visible-light silicon nitride (SiN) waveguides using suspended heater structures. The thermal isolation of the suspended heaters enabled…

physics.optics2024

Implantable silicon neural probes with nanophotonic phased arrays for single-lobe beam steering

Fu-Der Chen, Ankita Sharma, Tianyuan Xue +12

In brain activity mapping experiments using optogenetics, patterned illumination is crucial for deterministic and localized stimulation of neurons. However, due to optical scatteri…

physics.optics2024★ 10 cited

Implantable Photonic Neural Probes with Out-of-Plane Focusing Grating Emitters

Tianyuan Xue, Andrei Stalmashonak, Fu-Der Chen +6

We have designed, fabricated, and characterized implantable silicon neural probes with nanophotonic grating emitters that focus the emitted light at a specified distance above the…

physics.optics2023★ 2 cited

Room-temperature waveguide-coupled silicon single-photon avalanche diodes

Alperen Govdeli, John N. Straguzzi, Zheng Yong +6

Single photon detection is important for a wide range of low-light applications, including quantum information processing, spectroscopy, and light detection and ranging (LiDAR). A…

physics.optics2023★ 18 cited

Implantable Photonic Neural Probes with 3D-Printed Microfluidics and Applications to Uncaging

Xin Mu, Fu-Der Chen, Ka My Dang +10

Advances in chip-scale photonic-electronic integration are enabling a new generation of foundry-manufacturable implantable silicon neural probes incorporating nanophotonic waveguid…

physics.optics2022★ 31 cited

Microcantilever-integrated photonic circuits for broadband laser beam scanning

Saeed Sharif Azadeh, Jason C. C. Mak, Hong Chen +11

Laser beam scanning is central to many applications, including displays, microscopy, three-dimensional mapping, and quantum information. Reducing the scanners to microchip form fac…

physics.optics2021★ 106 cited

Power-Efficient Silicon Nitride Thermo-Optic Phase Shifters for Visible Light

Zheng Yong, Hong Chen, Xianshu Luo +7

We demonstrate power-efficient, thermo-optic, silicon nitride waveguide phase shifters for blue, green, and yellow wavelengths. The phase shifters operated with low power consumpti…