Parity-time Symmetric Laser and Absorber
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2018 The Institute of Electronics, Information and Communication Engineers (IEICE). Lasers and anti-lasers (time-reversed counterpart of lasers) are critical for the generation and absorption of coherent light beams. Here we experimentally demonstrate on-chip switchable lasing and anti-lasing in a single photonic cavity using the concept of parity-time symmetry. This opens the door for extreme light control towards the ultimate limit of modulation depth.
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2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)