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Search results for supercontinuum

Optics & Photonics Apr 16, 2025

Âé¶¹ÒùÔºicists develop compact, mid-infrared pulse generator on single chip

Âé¶¹ÒùÔºicists at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, ...

Optics & Photonics Jan 13, 2025

Nano rainbows: Expanding the light spectrum at the smallest scale

Since the invention of the laser in 1960, nonlinear optics has aimed to broaden light's spectral range and create new frequency components. Among the various techniques, supercontinuum (SC) generation stands out for its ability ...

Optics & Photonics Sep 2, 2024

Scientists demonstrate giant THz Kerr effect via stimulated phonon polaritons

Terahertz (THz) waves and THz technologies have gradually opened a new style for communications, cloud-based storage/computing, information contest, and medical tools. With the advancement of THz technologies, studies on ...

Optics & Photonics Jun 28, 2024

Coherent beam combining-an alternative scheme for delivering high average power femtosecond laser at 2.0 μm

High-power ultrafast laser with an operation wavelength extending to the 2.0 μm range has been attracting increasing research interest, mostly driven by its applications in various fields such as remote sensing, material ...

Optics & Photonics Apr 29, 2024

New tech enables deep tissue imaging during surgery

Hyperspectral imaging (HSI) is a state-of-the-art technique that captures and processes information across a given electromagnetic spectrum. Unlike traditional imaging techniques that capture light intensity at specific wavelengths, ...

Optics & Photonics Feb 8, 2024

Stable intense supercontinuum light generation from 1kHz femtosecond laser filamentation in air

Supercontinuum (SC) white light (the spectrum stretching from the near ultraviolet to the infrared wavelengths) has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics and chemistry. Compared ...

Optics & Photonics Jan 16, 2024

Research team uses water as a nonlinear medium for ultra-broadband white laser

Scientists are making significant strides in the development of ultrabroadband white laser sources, covering a wide spectrum from ultraviolet to far infrared. These lasers find applications in diverse fields such as large-scale ...

Optics & Photonics Nov 1, 2023

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

The birth of spatiotemporal mode-locking (STML) can date back to the report of Wright and colleagues in 2017. Following this breakthrough, research on STML has thrived. However, our comprehension and control of spatiotemporal ...

Optics & Photonics Sep 28, 2023

Integrating 2D materials for on-chip photonics

Recently, the introduction of nonlinear optical functions in integrated optics has sparked significant enthusiasm. Demonstrations have shown the potential for integrated photonic platforms. Furthermore, large-scale manufacturing ...

Optics & Photonics Aug 23, 2023

Scientists demonstrate intense ultraviolet-visible-infrared full-spectrum laser

A high-brightness ultrabroadband supercontinuum white laser has attracted more and more attention in physics, chemistry, biology, materials science, and other disciplines of science and technology. Over the past decades, ...

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