Physicists demonstrate Hong–Ou–Mandel interference with more than 10 atoms

In a new study published in Nature Physics, researchers have demonstrated the Hong–Ou–Mandel (HOM) effect with up to 12 ...
Tech Xplore

'Impossible' low-loss, tunable dielectric achieved in microwave electronics

The result on his computer screen looked impossible. Late one night in 2009, Nate Orloff was alone in a laboratory, analyzing ...
IEEE

A Tutorial on Integrated Microwave Photonic Spectral Shaping

Abstract: Integrated microwave photonics (MWP) is a rapidly growing field where high frequency microwave signals are processed in the optical domain, bringing key advantages of both microwave ...
Nature

Optical arbitrary waveform generation (OAWG) using actively phase-stabilized spectral stitching

The conventional way of generating optical waveforms relies on in-phase and quadrature (IQ) modulation of a continuous-wave (CW) laser tone. In this case, the bandwidth of the resulting optical ...
Business Wire

OIF Unveils CEI-112G-XSR+-PAM4 Extended Extra Short Reach Implementation Agreement, Paving the Way for Advanced Interconnectivity

FREMONT, Calif.--(BUSINESS WIRE)--OIF, where the optical networking industry’s interoperability work gets done, has published a new Implementation Agreement (IA) for Common Electrical I/O (CEI) ...
IEEE

On the Capacity of Intensity-Modulation Direct-Detection Gaussian Optical Wireless Communication Channels: A Tutorial

Abstract: Optical wireless communication (OWC) using intensity-modulation and direct-detection (IM/DD) has a channel model which possesses unique features, due to the constraints imposed on the ...
Frontiers

Fiberized Diamond-Based Vector Magnetometers

We present two fiberized vector magnetic-field sensors, based on nitrogen-vacancy (NV) centers in diamond. The sensors feature sub-nT/ magnetic sensitivity. We use commercially available components to ...
Frontiers

Artificial Intelligence in Optical Communications: From Machine Learning to Deep Learning

Techniques from artificial intelligence have been widely applied in optical communication and networks, evolving from early machine learning (ML) to the recent deep learning (DL). This paper focuses ...
Nature

A monolithic bipolar CMOS electronic–plasmonic high-speed transmitter

To address the challenge of increasing data rates, next-generation optical communication networks will require the co-integration of electronics and photonics. Heterogeneous integration of these ...
C&EN

Gate-Tunable Conducting Oxide Metasurfaces

Metasurfaces composed of planar arrays of subwavelength artificial structures show promise for extraordinary light manipulation. They have yielded novel ultrathin optical components such as flat ...
C&EN

Broad Electrical Tuning of Graphene-Loaded Plasmonic Antennas

Plasmonic antennas enable the conversion of light from free space into subwavelength volumes and vice versa, which facilitates the manipulation of light at the nanoscale. Dynamic control of the ...