The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Microdisk and microring lasers are investigated for realizing single mode directional emission microlasers. Transverse mode controls are demonstrated by varying the microring width and the introduction of a scar at the perimeter of microdisk lasers.
We compare observations of Stimulated Brillouin scattering produced during ionospheric modification experiments using ground-based high-power high frequency HF radio waves at both the High Frequency Active Auroral Research Program (HAARP) and the European Incoherent scatter (EISCAT).
The bending loss of silicon slot waveguide is experimentally investigated at 1064 nm and the measured value is 4.1 dB/180° with radius of 15 µm. Consequently, tunable micro-rings are demonstrated based on such slot waveguides.
A novel variable optical attenuator (VOA) based on two coupled rings in silicon-on-insulator (SOI) waveguides has been proposed and experimentally demonstrated, from which an attenuation varying from 0 dB to 35 dB can be obtained.
A “thermal memory effect” of plastic optical fibers (POFs), with which the thermally induced loss is spontaneously recorded to POFs themselves, is experimentally investigated. We measure optical time-domain reflectometry traces of POFs under three conditions: (1) before heating a section of the POF, (2) shortly after heating the section, and (3) after cooling the section to room temperature. The loss...
A novel taper fabrication technique for plastic optical fibers is demonstrated. Instead of conventional external heating, internal heating caused by high-power propagating light is utilized. The plastic fiber taper fabricated using this technique is experimentally shown to have measurability of the refractive index of liquids.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.