APL Photonics

12/15/2025

At the end of this year we will say a fond farewell to Benjamin Eggleton as his term as Editor-in-Chief comes to an end. We are so grateful for his tireless dedication to the journal and building it to what it is today. Thank you Ben! 🤝

11/10/2025

The authors present an SSIM-based method for non-iterative dark-field LED alignment in reflective FPM, achieving 72 apertures correction in 0.5 s and 583 nm resolution for high-throughput industrial imaging.

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Reflective Fourier ptychographic microscopy (FPM) enables high-resolution, wide-field imaging of opaque surfaces, but its calibration remains challenging due to

11/09/2025

This work monolithically integrates a transmitter, a waveguide, a monitor/modulator, and a receiver into a tiny GaN chip, enabling an all-light sensing and communication system on chip.

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III-nitride multiple quantum well diodes inherently feature an overlapping region of their emission and detection spectra, which allows them to simultaneously a

11/08/2025

A liquid crystal random laser is used to generat complex vortex beams, and achieves isotropic and anisotropic edge image enhancement.

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Vortex beams, characterized by their unique property of carrying orbital angular momentum, hold significant promise for applications in cutting-edge fields, suc

11/06/2025

Monolithic integration of SiN and a-SiC photonics, enables low-loss, dense integration, high thermal-optical tunning efficiency, large Kerr coefficient, and multi-dimensional fiber-to-chip interfaces.

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https://aippub.org/3JFr2MW

Amorphous silicon carbide (a-SiC) has emerged as a compelling candidate for applications in integrated photonics, known for its high refractive index, high opti

11/06/2025

Call for Papers 📢

Explore the latest breakthroughs in metasurfaces and nanoantennas driving next-generation nonlinear optics and quantum photonics in our new Special Issue. Submit by March 31, 2026!

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https://aippub.org/47iSI3j

Metasurfaces and nanoantennas are a powerful class of nanostructured materials enabling unprecedented control of light–matter interaction. By overcoming limitations of traditional optics, they have become key platforms for advancing nonlinear and quantu...

10/15/2025

New THz Computational Phase Imaging technique reveals hidden structures, paving the way for broad potential applications in non-destructive biomedical diagnostics, and security.
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Advancements in terahertz (THz) technology have substantially propelled the capabilities of imaging systems; however, retrieving the complex phase distribution

10/14/2025

The authors study how laser pulse duration affects high-order harmonic generation and phase-matching by employing a compact pulse post-compression approach delivering tunable Fourier-limited pulse durations.
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High-order harmonic generation (HHG) in gases has been studied for almost 40 years under many different conditions, varying the laser wavelength, intensity, foc

10/13/2025

The authors experimentally demonstrate a seeded topology optimization paradigm for commercial foundry integrated photonic devices that yields improved performance compared to traditional topology optimization.
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We present a seeded topology optimization methodology for integrated photonic devices fabricated on foundry platforms that yields improved performance compared

10/01/2025

Laser pulse duration plays significant role in high-order harmonic generation.

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https://aippub.org/4nwN6Z3

Laser pulse duration plays significant role in high-order harmonic generation

08/05/2025

This article presents a two-stage TF-PPLN circuit for low-crosstalk AOWC, achieving a side-channel suppression ratio over 25 dB, significantly outperforming single-stage devices.

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All optical wavelength converters (AOWCs) that can effectively and flexibly switch optical signals between different wavelength channels are essential elements

08/05/2025

Yb-based optical frequency combs revolutionized spectroscopy and now, paired with enhancement cavities, enable ultra-intense laser-particle interactions in accelerators powering EUV and X-ray sources.

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Optical frequency combs (OFCs) are a revolutionary tool for metrology, spectroscopy, and, in general, the precise interaction of lasers with particles. In this