Guidestar-assisted wavefront-shaping methods for focusing light into biological tissue
In the field of biomedical optics, optical scattering has traditionally limited the range of
imaging within tissue to a depth of one millimetre. A recently developed class of wavefront …
imaging within tissue to a depth of one millimetre. A recently developed class of wavefront …
[HTML][HTML] Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers
Multimode fiber (MMF) lasers are emerging as a remarkable testbed to study nonlinear
spatiotemporal physics with potential applications spanning from high energy pulse …
spatiotemporal physics with potential applications spanning from high energy pulse …
[HTML][HTML] Towards higher-dimensional structured light
Structured light refers to the arbitrarily tailoring of optical fields in all their degrees of freedom
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …
Deep speckle correlation: a deep learning approach toward scalable imaging through scattering media
Imaging through scattering is an important yet challenging problem. Tremendous progress
has been made by exploiting the deterministic input–output “transmission matrix” for a fixed …
has been made by exploiting the deterministic input–output “transmission matrix” for a fixed …
Spatiotemporal mode-locking in multimode fiber lasers
A laser is based on the electromagnetic modes of its resonator, which provides the feedback
required for oscillation. Enormous progress has been made toward controlling the …
required for oscillation. Enormous progress has been made toward controlling the …
[HTML][HTML] Computational imaging without a computer: seeing through random diffusers at the speed of light
Imaging through diffusers presents a challenging problem with various digital image
reconstruction solutions demonstrated to date using computers. Here, we present a …
reconstruction solutions demonstrated to date using computers. Here, we present a …
Massively degenerate coherent perfect absorber for arbitrary wavefronts
One of the key insights of non-Hermitian photonics is that well-established concepts such as
the laser can be operated in reverse to realize a coherent perfect absorber (CPA). Although …
the laser can be operated in reverse to realize a coherent perfect absorber (CPA). Although …
Feedback-based wavefront shaping
IM Vellekoop - Optics express, 2015 - opg.optica.org
Light scattering was thought to be the fundamental limitation for the depth at which optical
imaging methods can retain their resolution and sensitivity. However, it was shown that light …
imaging methods can retain their resolution and sensitivity. However, it was shown that light …
High-gain and high-speed wavefront shaping through scattering media
Wavefront shaping (WFS) is emerging as a promising tool for controlling and focusing light
in complex scattering media. The shaping system's speed, the energy gain of the corrected …
in complex scattering media. The shaping system's speed, the energy gain of the corrected …
Mechanisms of spatiotemporal mode-locking
Mode-locking is a process in which different modes of an optical resonator establish stable
synchronization through non-linear interactions. This self-organization underlies light …
synchronization through non-linear interactions. This self-organization underlies light …