Results 131 to 140 of about 83,581 (314)

Stabilization of the vertical cavity surface emitting laser subject to asymmetrical triangular current modulation

Физика волновых процессов и радиотехнические системы, 2018
We investigate the effect of external optical injection on the dynamics of the vertical cavity surface emitting laser under asymmetrical triangular modulation theoretically.
A.A. Krents, N.E. Molevich
doaj  

Titanium Suboxides Responsible for Electronic Anomaly Near Room Temperature in the Ti3C2Tx MXene

Advanced Functional Materials, EarlyView.
Our multi‐technique study reveals that the near‐room‐temperature anomaly in Ti3C2Tx MXene is linked to titanium suboxide nanodomains, including Ti3O5, embedded within the MXene host. Their temperature‐driven transformation provides an alternative explanation to solvent‐ and swelling‐based models and offers new insight into the thermally activated ...
Bence G. Márkus, Bradlee J. McIntosh, Lili Vajtai, Anna Nyáry, Sándor H. Sipos, Nirmal J. Ghimire, Ferenc Simon, László Forró, Dávid Beke   +8 more
wiley   +1 more source

Long-term stable laser injection locking for quasi-CW applications

EPJ Techniques and Instrumentation
Generating high output powers while achieving narrow line single mode lasing are often mutual exclusive properties of commercial laser diodes. For this reason, efficient and scalable amplification of narrow line laser light is still a major driving point
Florian Kiesel, Kirill Karpov, Alexandre De Martino, Jonas Auch, Christian Gross   +4 more
doaj   +1 more source

Integrated Pound-Drever-Hall laser stabilization system in silicon. [PDF]

Nat Commun, 2017
Idjadi MH, Aflatouni F.
europepmc   +1 more source

Glissile Interphase Boundaries Enable Collective Phase Switching in Epitaxial Polar Oxides

Advanced Functional Materials, EarlyView.
A triple point is identified in the phase diagram of low‐symmetry epitaxial BiFeO3 thin film along with an extended regime of phase competition associated with a flattened energy landscape. The electromechanical response is shown to be governed by correlated interphase‐boundary motion, including scale‐free avalanche dynamics characteristic of systems ...
Mohammad Moein Seyfouri, Oliver Paull, Ralph Bulanadi, Yasuhiro Sakamoto, Shintaro Yasui, Mikayla Lord, Mahak Chhabra, David Walker, Patrycja Paruch, Shery Chang, Nagarajan Valanoor, Daniel Sando   +11 more
wiley   +1 more source

Harnessing speckle for a sub-femtometre resolved broadband wavemeter and laser stabilization. [PDF]

Nat Commun, 2017
Metzger NK, Spesyvtsev R, Bruce GD, Miller B, Maker GT, Malcolm G, Mazilu M, Dholakia K.   +7 more
europepmc   +1 more source

Extremely Long Electron Lifetime in Spontaneously Passivated Polycrystalline Perovskite Layers via Illumination‐Assisted Trap Filling

Advanced Functional Materials, EarlyView.
ABSTRACT Perovskite solar cells (PSCs) are promising next‐generation photovoltaics. The high performance of PSCs is attributed to the long carrier lifetimes of perovskite photoabsorbers. However, the carrier lifetimes of polycrystalline perovskite layers, which serve as the photoabsorbers in practical PSCs, have remained limited to several tens of ...
Naoyuki Nishimura, Ryuzi Katoh, Takurou N. Murakami   +2 more
wiley   +1 more source

Coherent manipulation of ultracold Rubidium [PDF]

, 2009
The production of dense samples of atoms whose translational velocity can be parameterized by temperatures in the microkelvin range has revolutionized the fields of spectroscopy, metrology, quantum computing and sensitive tests of quantum mechanics. Such
Himsworth, Matthew
core  

Field Programmable Gate Array‐Based Control Systems for Highly Stable Laser Applications

Advanced Photonics Research
This review presents a comprehensive overview of field‐programmable gate array (FPGA)‐based laser frequency stabilization systems employing modulation‐based spectroscopy techniques.
Prosenjit Majumder, Rakesh Tirupathi
doaj   +1 more source

Microresonator Brillouin laser stabilization using a microfabricated rubidium cell. [PDF]

Opt Express, 2016
Loh W, Hummon MT, Leopardi HF, Fortier TM, Quinlan F, Kitching J, Papp SB, Diddams SA.   +7 more
europepmc   +1 more source