422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth

MW Puckett, K Liu, N Chauhan, Q Zhao, N **… - Nature …, 2021 - nature.com
High quality-factor (Q) optical resonators are a key component for ultra-narrow linewidth
lasers, frequency stabilization, precision spectroscopy and quantum applications. Integration …

Extraordinary evanescent field confinement waveguide sensor for mid-infrared trace gas spectroscopy

M Vlk, A Datta, S Alberti, HD Yallew, V Mittal… - Light: Science & …, 2021 - nature.com
Nanophotonic waveguides are at the core of a great variety of optical sensors. These
structures confine light along defined paths on photonic chips and provide light–matter …

Synthesis of Hf6Ta2O17 superstructure via spark plasma sintering for improved oxidation resistance of multi-component ultra-high temperature ceramics

A Nisar, C Zhang, B Boesl, A Agarwal - Ceramics International, 2023 - Elsevier
Ultra-high temperature ceramics (UHTCs) have shown aspiration to overcome challenges in
the thermal protection system (TPS) by designing new materials referred to as multi …

[HTML][HTML] Low-loss low thermo-optic coefficient Ta2O5 on crystal quartz planar optical waveguides

Q Zhao, RO Behunin, PT Rakich, N Chauhan… - APL Photonics, 2020 - pubs.aip.org
Optical resonator-based frequency stabilization plays a critical role in ultra-low linewidth
laser emission and precision sensing, atom clocks, and quantum applications. However …

Superconducting nanowire single-photon detectors integrated with tantalum pentoxide waveguides

MA Wolff, S Vogel, L Splitthoff, C Schuck - Scientific Reports, 2020 - nature.com
Photonic integrated circuits hold great potential for realizing quantum technology. Efficient
single-photon detectors are an essential constituent of any such quantum photonic …

Tantalum pentoxide nanophotonic circuits for integrated quantum technology

L Splitthoff, MA Wolff, T Grottke, C Schuck - Optics Express, 2020 - opg.optica.org
Nanophotonics holds great promise for integrated quantum technologies, but realizing all
functionalities for processing quantum states of light in optical waveguides poses an …

Visible to near-infrared octave spanning supercontinuum generation in tantalum pentoxide (Ta2O5) air-cladding waveguide

R Fan, CL Wu, YY Lin, CY Liu, PS Hwang, CW Liu… - Optics Letters, 2019 - opg.optica.org
In this work, for the first time, to the best of our knowledge, an anomalous dispersion CMOS-
compatible Ta_2O_5 waveguide was realized, and broadband on-chip supercontinuum …

Fabrication of ultra-high-Q Ta2O5 microdisks by photolithography-assisted chemo-mechanical etching

M Li, G Zhao, J Lin, R Gao, J Guan, CH Li, Q Qiao… - Optics …, 2024 - opg.optica.org
Tantalum pentoxide (Ta_2O_5) is widely recognized as a promising material platform for
photonic integration. This is primarily attributed to its exceptional properties including large …

Temperature insensitive large free spectral range micro-ring resonator

YK Verma, S Kumari, G Bawa, SM Tripathi - Optical and Quantum …, 2022 - Springer
Simultaneous temperature insensitive and large free spectral range (FSR) micro-ring
resonator is reported using wide ring waveguide. The analysis has been performed using …

Grating assisted temperature insensitive micro-ring resonator biosensor

YK Verma, S Kumari, SM Tripathi - Journal of Optics, 2023 - iopscience.iop.org
A grating-assisted temperature-insensitive micro-ring resonator bio-sensor is reported using
the finite-difference time-domain simulation method. In addition to choosing a negative …