Feature Articles

Quantum Sensors: A Revolution in the Offing?

New measuring devices exploit the extreme sensitivity of quantum states—but making them practical is a challenge.

by Edwin Cartlidge
Single-Photon Sources

Exploring and extending the promise of quantum technologies requires the ability to work with single quantum objects—especially photons. Here’s a look at the range of single-photon-source technologies available, and how and where they work.

by Urbasi Sinha, Surya Narayan Sahoo, Ashutosh Singh, Kaushik Joarder, Rishab Chatterjee and Sanchari Chakraborti
Integrated Lidar: Transforming Transportation

On-chip silicon photonics technology is enabling smaller, cheaper, better distance-ranging sensors to realize safe, ubiquitous vehicle automation and more.

by Valerie C. Coffey

Departments and Columns

Reflections in Diversity
Let's Fix the System

Instead of teaching women how to survive in today’s flawed STEM culture, the author suggests developing leaders who foster a collaborative and inclusive environment.

Integrated Photonics Plug-and-Play

A new integrated-photonics education kit seeks to engage and train undergraduate students for the growing silicon photonics job market.

Better Sensors via Squeezed Light

Some quantum-mechanical sleight-of-hand can boost detector sensitivity.

Research and Industry News

CMOS-Compatible Bragg Solitons / Self-Torque in Twisted Light Beams / Mid-IR to Near-IR / A Different Kind of Smart Glass / Taking the Chill Off of THz / Optical Clock Precision Breaks New Ground / Of Lumedica and Luminate / Cisco to Purchase Acacia / CUST Photography / Book Reviews


Also in this Issue

Looking Back
30, 20, and 10 Years Ago in OPN

A healthy flow of papers; transparent metals; solar concentrators; the contributions of Krausz and Corkum to attosecond science.

OSA Update
News from the Society

AOP Celebrates 10 Years / Papoyan Named 2019 Advocate of Optics / Celebrating LGBT STEM Day / OSK Turns 30 / Thank You, Volunteers / Thank You, Editors / OSA at the World of Photonics Congress

OSA Financials
OSA Financial Report

Summary of OSA financial statements from the past year.