Laser

Zhores Alferov, Izuo Hayashi and Morton Panish independently developed room-temperature, continual-operation diode lasers, using the heterojunction structure

1970
U.S.S.R.

In 1970, Zhores Alferov, in the USSR, and Izuo Hayashi and Morton Panish of Bell Telephone Laboratories also independently developed room-temperature, continual-operation diode lasers, using the heterojunction structure.