Photonic crystal Fano resonances for realizing optical switches, lasers and non-reciprocal elements

Research output: Research - peer-reviewArticle in proceedings – Annual report year: 2017



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We present our work on photonic crystal membrane devices exploiting Fano resonance between a line-defect waveguide and a side coupled nanocavity. Experimental demonstration of fast and compact all-optical switches for wavelength-conversion is reported. It is shown how the use of an asymmetric structure in combination with cavity-enhanced nonlinearity can be used to realize non-reciprocal transmission at ultra-low power and with large bandwidth. A novel type of laser structure, denoted a Fano laser, is discussed in which one of the mirrors is based on a Fano resonance. Finally, the design, fabrication and characterization of grating couplers for efficient light coupling in and out of the indium phosphide photonic crystal platform is discussed.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages7
PublisherSPIE - International Society for Optical Engineering
Publication date2017
Article number103451V
StatePublished - 2017
EventSPIE Nanoscience + Engineering 2017 - San Diego Convention Center, San Diego, United States
Duration: 6 Aug 201710 Aug 2017


ConferenceSPIE Nanoscience + Engineering 2017
LocationSan Diego Convention Center
CountryUnited States
CitySan Diego
CitationsWeb of Science® Times Cited: 0

    Research areas

  • All-optical switches, Fano laser, Grating coupler, Wavelength-conversion, Non-reciprocal transmission, Photonic crystal membrane
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