Document Details Document Type : Article In Journal  Document Title : Lasing and anti-lasing in a single cavity Lasing and anti-lasing in a single cavity   Subject : physics  Document Language : English  Abstract : Lasing, light amplification by stimulated emission of radiation, is a key attribute for many important applications in optical communications, medicine and defence. Conversely, anti-lasing represents the time-reversed counterpart of laser emission, where incoming radiation is coherently absorbed. Here, we experimentally realize lasing and anti-lasing at the same frequency in a single cavity using parity-time symmetry. Because of the time-reversal property, the demonstrated lasing and anti-lasing resonances share common resonant features such as identical frequency dependence, coherent in-phase response and fine spectral resolution. Lasing and anti-lasing in a single device offers a new route for light modulation with high contrast approaching the ultimate limit.  ISSN : 1749-4885  Journal Name : Nature Photonics  Volume : 10  Issue Number : 12  Publishing Year : 1437 AH 2016 AD  Article Type : Article  Added Date : Tuesday, August 8, 2017  Researchers Researcher Name (Arabic) Researcher Name (English) Researcher Type Dr Grade Email Zi Jing Wong Wong, Zi Jing Investigator Doctorate   Ye-Long Xu Xu, Ye-Long Researcher Doctorate   Jeongmin kim Kim, Jeongmin Researcher Doctorate   Kevin O'Brien O'Brien, Kevin Researcher Doctorate   Yuan Wang Wang, Yuan Researcher Doctorate   Liang Feng Feng, Liang Researcher Doctorate fengl@buffalo.edu Xiang Zhang Zhang, Xiang Researcher Doctorate   Files File Name Type Description  42512.pdf pdf   Back To Researches Page