H - Electricity – 01 – S
Patent
H - Electricity
01
S
325/1, 345/46
H01S 3/23 (2006.01) H01S 5/40 (2006.01)
Patent
CA 1219637
ABSTRACT A light source comprises a semiconductor laser and a gas laser. The semiconductor laser is injection locked using the highly coherent output from the gas laser. The output from the semiconductor laser has a narrow linewidth and a high stability. The invention has a major application in optical fibre communications systems.
420949
Smith David W.
Wyatt Richard
British Telecommunications Public Limited Company
Ridout & Maybee Llp
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