Femtosaniye lazer ile yazılmış sığ optik cam ve elmas dalgakılavuzlarına bağlaştırılmış silisyum ve elmas mikroyuvarların esnek saçılması

Elastic light scattering of silicon and diamond microspheres excited by femtosecond (fs)-laser written glass and diamond waveguides is studied in order to assemble an all diamond optical system towards integrated diamond photonics applications. Transverse electrically (TE) and transverse magnetically (TM) polarized light from a wavelength tunable laser operating in the near-infrared region is coupled to a 1 mm silicon sphere by using the Gorilla and Eagle2000™ glass optical waveguides. Silicon sphere elastic scattering characteristics are gathered on both glass and diamond optical waveguides, in order to examine diamond optical waveguide characteristics. After which, an all-diamond optical system is established with diamond sphere on fs-laser written diamond shallow waveguide. The assembled diamond system integrates a Type-Ib (nitrogen impurity > 5 ppm) diamond microsphere with a fs-laser written Type-IIa (nitrogen impurity of 100 ppb) diamond waveguide. The diamond waveguide is fabricated by exploiting type II fabrication method to achieve stress induced waveguiding. TE and TM polarized light from a wavelength tunable laser operating in the near-infrared region is coupled to a 1 mm diamond sphere by using the diamond optical waveguide. By carefully engineering the microsphere's high quality factor resonances, and further exploiting the nonlinear properties of existing nitrogen-vacancy (NV) centers in diamond microspheres and/or diamond waveguides in such configurations, it is possible to realize various applications in integrated diamond photonics.