High modulation frequency light emitting device exhibiting spatial relocation of minority carriers to a non-radiative recombination region

A method for operating a light emitting device, comprising steps of:

• providing a semiconductor light emitting structure that comprises a source of excess minority carriers, a first structure disposed over a surface of said semiconductor light emitting structure, where said first structure comprises a material that functions as a minority carrier barrier upon an application of a predetermined stimulus for constraining minority carriers to remain in said semiconductor light emitting structure, and a second structure disposed over said first structure, said second structure comprising a material that exhibits a low radiative recombination efficiency and a short minority carrier lifetime for removing minority carriers that cross said first structure after escaping from said semiconductor light emitting structure in the absence of said predetermined stimulus,
• applying said predetermined stimulus for enabling minority carrier radiative recombination to occur in said semiconductor light emitting structure;
• and
• removing said predetermined stimulus for enabling minority carriers to escape from said semiconductor light emitting structure, to cross said first structure, and to be non-radiatively recombined in said second structure.