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20112024
most citedHigh-speed waveguide integrated silicon photodetector on a SiN-SOI platform for short reach datacom

37 citations · 77 across the 12 of their papers we have counts for

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physics.optics2024

Purcell Enhancement of Spontaneous Emission of a Quantum Emitter on a Waveguide

Sushma Gali, Komal Sharma, Jaydeep Kumar Basu +1

We investigate the effect of a waveguide on an emitter spontaneous emission in its vicinity. The impact of various possible orientations of an emitter with respect to the waveguide…

physics.optics2023

DFT analysis and demonstration of enhanced clamped Electro-Optic tensor by strain engineering in PZT

Suraj, Shankar Kumar Selvaraja

We report 400\% enhancement in PZT Pockels coefficient on DFT simulation of lattice strain due to phonon mode softening.The simulation showed a relation between the rumpli…

physics.optics2023

3-D poling and drive mechanism for high-speed PZT-on-SOI Electro-Optic modulator using remote Pt buffered growth

Suraj, Shankar Kumar Selvaraja

In this work, we have demonstrated a novel method to increase the electro-optic interaction in an intensity modulator at the C-band by optimizing the growth methodology of PZT with…

physics.optics2023

Highly Oriented PZT Platform for Polarization-Independent Photonic Integrated Circuit and Enhanced Efficiency Electro-Optic Modulation

Suraj, Shankar Kumar Selvaraja

We demonstrate, for the first time, sputtered PZT as a platform for the development of Si-based photonic devices such as rings, MZI, and electro-optic modulators. We report the opt…

physics.optics20238 cited

Polarization Independent Grating in GaN-on-Sapphire Photonic Integrated Circuit

Suraj, Shashwat Rathkanthiwar, Srinivasan Raghavan +1

In this work, we report the realization of a polarization-insensitive grating coupler, single-mode waveguide, and ring resonator in the GaN-on-Sapphire platform. We provide a detai…

physics.optics2023

Sandwiched Hybrid Waveguide Platform for Integrated Photonics Application

Rahul K Dash, Shankar Kumar Selvaraja

We propose and demonstrate a hybrid waveguide platform using layered amorphous silicon and silicon nitride. The waveguide offers more degrees of freedom to design waveguides with d…