Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical space switches using multiport couplers

Optical space switches using multiport couplers

US Patent 6253000 · Granted Jun 26, 2001

Estimated economic value: $16,380,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Planar lightwave circuit optical multiplexer for non-sequential wavelength chann2015
Integrated polarization beam splitter with quarter-wave plate for polarimeter an2011
Reset free devices2009
Optical data transmission system using sub-band multiplexing2008
High speed semiconductor waveguide phase-shifter2007
Integrated polarization beam splitter with quarter-wave plate for polarimeter an2007
Variable optical delay line with a large continuous tuning range2007
Optical all pass filter device having improved time-bandwidth behavior2007
System comprising a single-stage all-pass optical filter2006
Apparatus and method for generating a 90° alternate phase optical pulsetrain2006
Compact solid-state variable optical delay line with a large continuous tuning r2005
Method and apparatus for compactly coupling an optical fiber and a planar optica2005