Inventor

ZHANG GUANGZHI Z

US4 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG GUANGZHI Z”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEW FOCUS INC

3 patents

US6608847B2Aug 19, 2003

Tunable laser with suppression of spontaneous emission

NEW FOCUS INC41 citations89

US6788726B2Sep 7, 2004

External cavity laser with high spectral purity output

NEW FOCUS INC7 citations69

US6606340B2Aug 12, 2003

Continuously grating-tuned external cavity laser with automatic suppression of source spontaneous emission and amplified spontaneous emission

NEW FOCUS INC3 citations58

BOOKHAM TECHNOLOGY PLC

1 patent

US7388890B2Jun 17, 2008

Piezoelectric-tuned external cavity laser

BOOKHAM TECHNOLOGY PLC5 citations54