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.
Self-pumped parametric fluorescence was observed in GaAs/AlGaAs Bragg reflection waveguide lasers with χ(2) phase-matched cavities. With a 967 nm pump, signal and idler around 2300 nm and 1700 nm were measured respectively, with record conversion efficiency of 4176 ± 817 %W−1 cm−2.
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.