Space-division multiplexing for optical fiber communications

BJ Puttnam, G Rademacher, RS Luís - optica, 2021 - opg.optica.org
Research on space-division multiplexing (SDM) came to prominence in early 2010 being
primarily proposed as a means of multiplying the information-carrying capacity of optical …

Determining intrinsic sensitivity and the role of multiple scattering in speckle metrology

M Facchin, SN Khan, K Dholakia, GD Bruce - Nature Reviews Physics, 2024 - nature.com
Speckle patterns are a powerful tool for high-precision metrology because they enable
remarkable performance in relatively simple setups. Nonetheless, researchers in this field …

Fourier transform spectrometer on silicon with thermo-optic non-linearity and dispersion correction

MCMM Souza, A Grieco, NC Frateschi… - Nature …, 2018 - nature.com
Miniaturized integrated spectrometers will have unprecedented impact on applications
ranging from unmanned aerial vehicles to mobile phones, and silicon photonics promises to …

Harnessing disorder for photonic device applications

H Cao, Y Eliezer - Applied Physics Reviews, 2022 - pubs.aip.org
For photonic devices, structural disorder and light scattering have long been considered
annoying and detrimental features that were best avoided or minimized. This review shows …

Microtaper leaky-mode spectrometer with picometer resolution

Q Cen, S Pian, X Liu, Y Tang, X He, Y Ma - eLight, 2023 - Springer
The wide application of optical spectroscopy makes miniaturized spectrometers with
fundamental importance. The scalability, high-performance, low-cost, and small footprint are …

Evanescently coupled multimode spiral spectrometer

B Redding, S Fatt Liew, Y Bromberg, R Sarma, H Cao - Optica, 2016 - opg.optica.org
We designed a high-resolution compact spectrometer based on an evanescently coupled
multimode spiral waveguide. Interference between the modes in the waveguide forms a …

Deep learning enabled laser speckle wavemeter with a high dynamic range

RK Gupta, GD Bruce, SJ Powis… - Laser & Photonics …, 2020 - Wiley Online Library
The speckle pattern produced when a laser is scattered by a disordered medium has
recently been shown to give a surprisingly accurate or broadband measurement of …

Harnessing speckle for a sub-femtometre resolved broadband wavemeter and laser stabilization

NK Metzger, R Spesyvtsev, GD Bruce, B Miller… - Nature …, 2017 - nature.com
The accurate determination and control of the wavelength of light is fundamental to many
fields of science. Speckle patterns resulting from the interference of multiple reflections in …

Complete polarization control in multimode fibers with polarization and mode coupling

W Xiong, CW Hsu, Y Bromberg… - Light: Science & …, 2018 - nature.com
Multimode optical fibers have seen increasing applications in communication, imaging, high-
power lasers, and amplifiers. However, inherent imperfections and environmental …

[PDF][PDF] Towards integrated mode-division demultiplexing spectrometer by deep learning

Z Zheng, S Zhu, Y Chen, H Chen, J Chen - Opto-Electronic Science, 2022 - researching.cn
Miniaturized spectrometers have been widely researched in recent years, but few studies
are conducted with on-chip multimode schemes for mode-division multiplexing (MDM) …