Thermally stable high numerical aperture integrated waveguides and couplers for the 3 μm wavelength range

HIGHLIGHTS

• who: Toney Teddy Fernandez and colleagues from the School Macquarie University Australia have published the research: Thermally stable high numerical aperture integrated waveguides and couplers for the 3 u03bcm wavelength range, in the Journal: (JOURNAL) of 21/Nov/2022
• what: Mid-infrared integrated evanescent 4-port couplers operating at 3.2 u00b5m wavelength were demonstrated.
• how: The negative index change region is dominated by strong PL corresponding to the defects from cavitation and hence these Since Raman mapping shows that the NBOHC peak intensity is reduced after annealing but the index change is . . .
  

   

  

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