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Spatio-temporal lasing dynamics in a Limaçon-shaped microcavity
Kyungduk Kim, Stefan Bittner, Yuhao Jin +3
Limaçon-shaped microdisk lasers are promising on-chip light sources with low lasing threshold and unidirectional output. We conduct an experimental study on the lasing dynamics of…
Depth-Targeted Energy Deposition Deep Inside Scattering Media
Nicholas Bender, Alexey Yamilov, Arthur Goetschy +3
A grand challenge in fundamental physics and practical applications is overcoming wave diffusion to deposit energy into a target region deep inside a diffusive system. While it is…
Suppressing meta-holographic artifacts by laser coherence tuning
Yaniv Eliezer, Geyang Qu, Wenhong Yang +5
A metasurface hologram combines fine spatial resolution and large viewing angles with a planar form factor and compact size. However, it suffers coherent artifacts originating from…
Accelerating speckle suppression by a degenerate cavity laser with an intracavity phase diffuser
Simon Mahler, Yaniv Eliezer, Hasan Yılmaz +3
Fast speckle suppression is crucial for time-resolved full-field imaging with laser illumination. Here, we introduce a method to accelerate the spatial decoherence of laser emissio…
Circumventing the optical diffraction limit with customized speckles
Nicholas Bender, Mengyuan Sun, Hasan Yilmaz +2
Speckle patterns have been widely used in imaging techniques such as ghost imaging, dynamic speckle illumination microscopy, structured illumination microscopy, and photoacoustic f…
Massively parallel ultrafast random bit generation with a chip-scale laser
Kyungduk Kim, Stefan Bittner, Yongquan Zeng +4
Random numbers are widely used for information security, cryptography, stochastic modeling, and quantum simulations. Key technical challenges for physical random number generation…