Results 71 to 80 of about 49,753 (282)

Sub-femtometer-resolution absolute spectroscopy with sweeping electro-optic combs

Opto-Electronic Advances, 2022
Optical frequency comb with evenly spaced lines over a broad bandwidth has revolutionized the fields of optical metrology and spectroscopy. Here, we propose a fast interleaved dual-comb spectroscopy with sub-femtometer-resolution and absolute frequency ...
Bingxin Xu, Xinyu Fan, Shuai Wang, Zuyuan He   +3 more
doaj   +1 more source

Broadband electro-optic frequency comb generation in an integrated microring resonator

, 2018
Optical frequency combs consist of equally spaced discrete optical frequency components and are essential tools for optical communications and for precision metrology, timing and spectroscopy. To date, wide-spanning combs are most often generated by mode-
Buscaino, Brandon, Kahn, Joseph, Loncar, Marko, Reimer, Christian, Shams-Ansari, Amirhassan, Wang, Cheng, Zhang, Mian, Zhu, Rongrong   +7 more
core   +1 more source

Polymer‐in‐Cage Strategy for Pore Tuning of High‐Aspect Ratio ZIF Nanoplate: Toward Sub‐Micrometer‐Thick Large Area CO2 Separation Membranes

Advanced Science, EarlyView.
A “polymer‐in‐cage” strategy transforms a zinc‐acrylate copolymer into an active pore‐modulating agent for ZIF‐8 nanoplates. The polymer actively tunes the MOF's pore structure by anchoring within its windows, while the nanoplates create tortuous pathways.
Minsu Kim, Hyo Jun Min, Min Kyu Choi, Ki Chul Kim, Bomi Kim, Miso Kang, Nahyeon Lee, Kiwon Eum, Jong Hak Kim, Dae Woo Kim   +9 more
wiley   +1 more source

Mid-IR frequency measurement using an optical frequency comb and a long-distance remote frequency reference

, 2012
We have built a frequency chain which enables to measure the absolute frequency of a laser emitting in the 28-31 THz frequency range and stabilized onto a molecular absorption line. The set-up uses an optical frequency comb and an ultrastable 1.55 $\mu$m
Amy-Klein, Anne, Auguste, Frédéric, Chanteau, Bruno, Chardonnet, Christian, Coq, Yann Le, Darquié, Benoît, Lopez, Olivier, Santarelli, Giorgio, Zhang, Wei   +8 more
core   +2 more sources

Biomimetic Cell Membrane‐Coated MOFs System for Targeted Cancer Therapy

Advanced Science, EarlyView.
Biomimetic MOF‐based drug delivery nanoplatforms synthesized using liposomes or cell membranes as camouflage for multiple cancer therapeutics. ABSTRACT The integration of metal‐organic frameworks (MOFs) with cell membrane coatings has emerged as a revolutionary strategy to enhance the therapeutic efficacy of cancer nanomedicine.
Qilu Wu, Jia Song Deon Chon, Yuxiao Feng, Kang Liang, Shiming Li, Can Yang Zhang, Jun Ge   +6 more
wiley   +1 more source

Photonic Damascene Process for Integrated High-Q Microresonator Based Nonlinear Photonics

, 2015
High confinement, integrated silicon nitride (SiN) waveguides have recently emerged as attractive platform for on-chip nonlinear optical devices. The fabrication of high-Q SiN microresonators with anomalous group velocity dispersion (GVD) has enabled ...
Brasch, Victor, Geiselmann, Michael, Jost, John D., Kippenberg, Tobias J., Kordts, Arne, Pfeiffer, Martin H. P., Zervas, Michael   +6 more
core   +1 more source

Universal Optical Frequency Comb

, 2010
We demonstrate that whispering gallery mode resonators can be utilized to generate optical frequency combs based on four wave mixing process at virtually any frequency that lies in the transparency window of the resonator host material. We show theoretically how the morphology of the resonator can be engineered to produce a family of spectrally ...
Savchenkov, A. A., Matsko, A. B., Liang, W., Ilchenko, V. S., Seidel, D., Maleki, L.   +5 more
openaire   +2 more sources

Dirac Surface‐State Driven Broad Spectral Band Low Quantum Energy Photoresponse in Quaternary Topological BiSbSe2Te

Advanced Science, EarlyView.
Quaternary topological BiSbSe2Te are synthesized and demonstrates a broad spectral band photoresponse, ranging from infrared to terahertz and to millimeter waves, with a particular excellence on detection of low quantum energy terahertz photons. The observed photoresponse is attributed to the excitation of plasmonic nonequilibrium electrons originating
Tianning Zhang, Jinchao Tong, Jiantian Zhang, Peng Yu, Heng Luo, Luo Yan, Boyu Yang, Tiantian Huang, Junhui Ran, Yan Chen, Liujiang Zhou, Xin Chen, Ning Dai, Jianlu Wang, Junhao Chu   +14 more
wiley   +1 more source

Numerical Study on Quantum Walks Implemented on the Cascade Rotational Transitions in a Diatomic Molecule

, 2011
We propose an implementation scheme for the continuous-time quantum walk using a diatomic molecule and an optical frequency comb. We show an analogy between the quantum walk and the cascade rotational transitions induced by the optical frequency comb ...
Hashimoto, Masashi, Kasajima, Tatsuya, Matsuoka, Leo, Yokoyama, Keiichi   +3 more
core   +1 more source

Photonuclear Population of 229m,gTh in Th‐Doped Crystals Toward Nuclear Clock Development

Advanced Science, EarlyView.
This study demonstrates a novel photonuclear approach for producing the nuclear clock isomer 229mTh in thorium‐doped crystals, overcoming current supply limitations. Through cross‐section calculations and Monte Carlo simulations, we identify optimal crystal materials and irradiation conditions, achieving high signal‐to‐noise ratios.
Hao‐Yang Lan, Di Wu, Mei‐Zhi Wang, Zhong‐Yi Chen, Jian‐Feng Lv, Yu‐Hui Xia, Zhe‐Nan Wang, Wen Luo, Xin‐Lu Xu, Xue‐Qing Yan   +9 more
wiley   +1 more source