The physics of optical computing

PL McMahon - Nature Reviews Physics, 2023 - nature.com
There has been a resurgence of interest in optical computing since the early 2010s, both in
academia and in industry, with much of the excitement centred around special-purpose …

Ultrafast second-order nonlinear photonics—from classical physics to non-Gaussian quantum dynamics: a tutorial

M Jankowski, R Yanagimoto, E Ng… - Advances in Optics …, 2024 - opg.optica.org
Photonic integrated circuits with second-order (χ (2)) nonlinearities are rapidly scaling to
remarkably low powers. At this time, state-of-the-art devices achieve saturated nonlinear …

High‐Q Thin‐Film Lithium Niobate Microrings Fabricated with Wet Etching

R Zhuang, J He, Y Qi, Y Li - Advanced Materials, 2023 - Wiley Online Library
Thin‐film lithium niobate (TFLN) has been widely used in electro‐optic modulators, acoustic‐
–optic modulators, electro‐optic frequency combs, and nonlinear wavelength converters …

Harnessing microcomb-based parallel chaos for random number generation and optical decision making

B Shen, H Shu, W Xie, R Chen, Z Liu, Z Ge… - Nature …, 2023 - nature.com
Optical chaos is vital for various applications such as private communication, encryption, anti-
interference sensing, and reinforcement learning. Chaotic microcombs have emerged as …

Sub-1 Volt and high-bandwidth visible to near-infrared electro-optic modulators

D Renaud, DR Assumpcao, G Joe… - Nature …, 2023 - nature.com
Integrated electro-optic (EO) modulators are fundamental photonics components with utility
in domains ranging from digital communications to quantum information processing. At …

Integrated quantum optical phase sensor in thin film lithium niobate

HS Stokowski, TP McKenna, T Park, AY Hwang… - Nature …, 2023 - nature.com
The quantum noise of light, attributed to the random arrival time of photons from a coherent
light source, fundamentally limits optical phase sensors. An engineered source of squeezed …

Twenty-nine million intrinsic Q-factor monolithic microresonators on thin-film lithium niobate

X Zhu, Y Hu, S Lu, HK Warner, X Li, Y Song… - Photonics …, 2024 - opg.optica.org
The recent emergence of thin-film lithium niobate (TFLN) has extended the landscape of
integrated photonics. This has been enabled by the commercialization of TFLN wafers and …

Silicon photonic microresonator-based high-resolution line-by-line pulse shaping

LM Cohen, K Wu, KV Myilswamy, S Fatema… - Nature …, 2024 - nature.com
Optical pulse shaping stands as a formidable technique in ultrafast optics, radio-frequency
photonics, and quantum communications. While existing systems rely on bulk optics or …

Terahertz waveform synthesis in integrated thin-film lithium niobate platform

A Herter, A Shams-Ansari, FF Settembrini… - Nature …, 2023 - nature.com
Bridging the “terahertz gap “relies upon synthesizing arbitrary waveforms in the terahertz
domain enabling applications that require both narrow band sources for sensing and few …

Chip-scale simulations in a quantum-correlated synthetic space

UA Javid, R Lopez-Rios, J Ling, A Graf, J Staffa… - Nature Photonics, 2023 - nature.com
An efficient simulator for quantum systems is one of the original goals for the efforts to
develop a quantum computer. In recent years, synthetic dimensions in photonics have …