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physics.optics2026

Ion-Implanted Silicon Nanoregions Enable Ultra-Low-Loss Trimming of Cladded Photonic Integrated Circuits

Zhongyu Tang, Shabnam Taheriniya, Seongmin Jo +8

Photonic integrated circuits (PICs) have emerged as a key platform for information processing, including optical communication and computing. As PIC complexity increases, fabricati…

physics.optics2025

High system efficiency nonlinear frequency conversion on thin-film lithium niobate

Philipp Lohmann, Daniel Wendland, Francesco Lenzini +1

Integrated photonic platforms can greatly enhance the efficiency of nonlinear frequency conversion processes by tightly confining light on a sub-micron scale. However, this advanta…

physics.optics2025

Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss

Erik Jung, Helge Gehring, Frank Brueckerhoff-Plueckelmann +4

Photonic Integrated Circuits (PICs) offer transformative potential for computing systems, enabling high-bandwidth neuromorphic processors and facilitating low decoherence quantum c…

physics.optics2024

Telecom wavelength quantum dots interfaced with silicon-nitride circuits via photonic wire bonding

Ulrich Pfister, Daniel Wendland, Florian Hornung +10

Photonic integrated circuits find ubiquitous use in various technologies, from communication, to computing and sensing, and therefore play a crucial role in the quantum technology…

physics.optics2024

Fast thermo-optic switching on silicon nitride platform through parity-time symmetry breaking

Ravi Pradip, Venkata Sai Akhil Varri, Liam McRae +6

This work demonstrates a fast thermo-optic switching mechanism on silicon nitride on insulator platform leveraging parity-time symmetry breaking. The cladding-free design enables l…