Optical - Debatepost

New self-cleaning optical fiber can help in monitoring environment and diagnosing cancer

April 23, 2022 by Tony Grantly

Journal Reference: Zahra Eslami, Lauri Salmela, Adam Filipkowski, Dariusz Pysz, Mariusz Klimczak, Ryszard Buczynski, John M. Dudley, Goëry Genty. Two octave supercontinuum generation in a non-silica graded-index multimode fiber. Nature Communications, 2022; 13 (1) DOI: 10.1038/s41467-022-29776-6 When a high-power ultrashort pulse of light interacts with a material such as a glass optical fibre, a range … Read more

Dying stars’ cocoons might explain fast blue optical transients

April 21, 2022 by Tony Grantly

Journal Reference: Ore Gottlieb, Alexander Tchekhovskoy, Raffaella Margutti. Shocked jets in CCSNe can power the zoo of fast blue optical transients. Monthly Notices of the Royal Astronomical Society, 2022; DOI: 10.1093/mnras/stac910 So hot that they glow blue, these mysterious objects are the brightest known optical phenomenon in the universe. But with only a few discovered … Read more

New polymer materials make fabricating optical interconnects easier

April 14, 2022 by Tony Grantly

Journal Reference: Julie I. Frish, Tristan S. Kleine, Roland Himmelhuber, Sasaan Showghi, Abhinav Nishant, Kyung-Jo Kim, Linan Jiang, Kaitlyn P. Martin, Lars Brusberg, Stanley Pau, Thomas L. Koch, Jeffrey Pyun, Robert A. Norwood. Rapid photolithographic fabrication of high density optical interconnects using refractive index contrast polymers. Optical Materials Express, 2022; 12 (5): 1932 DOI: 10.1364/OME.454195 … Read more

New optical tweezers put on the pressure to change color

March 1, 2022 by Tony Grantly

Journal Reference: Ryota Takao, Kenta Ushiro, Hazuki Kusano, Ken‐ichi Yuyama, Tatsuya Shoji, Denver P. Linklater, Elena Ivanova, Saulius Juodkazis, Yasuyuki Tsuboi. Fluorescence Colour Control in Perylene‐Labeled Polymer Chains Trapped by Nanotextured Silicon. Angewandte Chemie International Edition, 2022; 61 (11) DOI: 10.1002/anie.202117227 “Such conditions make it impossible to change color quickly, use it as a light … Read more

First optical oscilloscope

January 8, 2022 by Tony Grantly

Journal Reference: Yangyang Liu, John E. Beetar, Jonathan Nesper, Shima Gholam-Mirzaei, Michael Chini. Single-shot measurement of few-cycle optical waveforms on a chip. Nature Photonics, 2021; DOI: 10.1038/s41566-021-00924-6 Until now, reading the electric field of light has been a challenge because of the high speeds at which light waves oscillates. The most advanced techniques, which power … Read more

New optical technology spotlights how memories move in mouse brains during sleep

November 28, 2021 by Tony Grantly

Journal Reference: Akihiro Goto, Ayaka Bota, Ken Miya, Jingbo Wang, Suzune Tsukamoto, Xinzhi Jiang, Daichi Hirai, Masanori Murayama, Tomoki Matsuda, Thomas J. McHugh, Takeharu Nagai, Yasunori Hayashi. Stepwise synaptic plasticity events drive the early phase of memory consolidation. Science, 2021; 374 (6569): 857 DOI: 10.1126/science.abj9195 Publishing in the journal Science, Kyoto University’s Akihiro Goto uses … Read more

Intelligent optical chip to improve telecommunications

November 27, 2021 by Tony Grantly

Journal Reference: Bennet Fischer, Mario Chemnitz, Benjamin MacLellan, Piotr Roztocki, Robin Helsten, Benjamin Wetzel, Brent E. Little, Sai T. Chu, David J. Moss, José Azaña, Roberto Morandotti. Autonomous on-chip interferometry for reconfigurable optical waveform generation. Optica, 2021; 8 (10): 1268 DOI: 10.1364/OPTICA.435435 PhD student Bennet Fischer and postdoctoral researcher Mario Chemnitz, in the team of … Read more