Experimental observation of negative group velocity in C60 PMMA |
| |
| Authors: | Hao Wang Yundong Zhang Lei Ma Zhusong He He Tian Nan Wang Ping Yuan |
| |
| Affiliation: | aNational Key Laboratory of Tunable Laser Technology, Institute of Opto-Electronics, Harbin Institute of Technology, Harbin 150080, People's Republic of China |
| |
| Abstract: | The authors experimentally observed the superluminal propagation at negative group velocity in C60 polymethyl methacrylate (PMMA) firstly. The largest time advancement of 7.61 ms was obtained at 1 mg/cm3 of sample concentration, the corresponding group velocity was −0.657 m/s. Fast light in C60 PMMA offers several advantages over liquids or vapors for a variety of possible applications: (i) easy for experimental measurement and practical applications (ii) easy for manufacture, (iii) sample concentration is another convenient parameter to vary the signal delay. |
| |
| Keywords: | Negative group velocity C60 PMMA |
| 本文献已被 ScienceDirect 等数据库收录！ |
