Avanex Corporation
243Patents
5Active
243Granted
40Portfolio score
Filing activity: Jan 21, 1998 → Oct 19, 2007 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6441959B1 | Method and system for testing a tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array | Physics | 126 | Expired |
| US6301048A | Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array | Physics | 121 | Expired |
| US6741784B1 | Optical fiber clamping apparatus to hold fiber cable while providing retractable distance across module unit | Physics | 85 | Expired |
| US6169604A | Nonlinear interferometer for fiber optic dense wavelength division multiplexer utilizing a phase bias element to separate wavelengths in an optical signal | Physics | 52 | Expired |
| US6130971A | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer | Physics | 49 | Expired |
| US6028706A | Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile | Electricity | 42 | Expired |
| US6785434B2 | Attenuator integrated with modulator and transmitting module for WDM systems using the same | Physics | 37 | Expired |
| US6310690A | Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer | Physics | 36 | Expired |
| US6480331B1 | Reflection-type polarization-independent optical isolator, optical isolator/amplifier/monitor, and optical system | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6529307B1 | Selective intensity modulation of channels in a multiplexed optical communication system | Electricity | 34 | Expired |
| US6344910B1 | Optical performance monitor | Electricity | 34 | Expired |
| US6839163B1 | Apparatus and method for making an optical fiber amplifier | Electricity | 31 | Expired |
| US6288817A | High duty cycle synchronized multi-line scanner | Physics | 31 | Expired |
| US6263126A | Fiber optic dense wavelength division multiplexer utilizing a multi-stage parallel cascade method of wavelength separation | Physics | 29 | Expired |
| US6867868B1 | Method and apparatus for tunable interferometer utilizing variable air density | Physics | 28 | Expired |
| US6236506A | Reflection-type optical circulation utilizing a lens and birefringent plates | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6396629B1 | Multi-functional optical device utilizing multiple birefringent plates and a non-linear interferometer | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6767139B2 | Six-port optical package and method of manufacturing | Physics | 25 | Expired |
| US6487342B1 | Method, system and apparatus for chromatic dispersion compensation utilizing a gires-tournois interferometer | Physics | 24 | Expired |
| US6556320B1 | Tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6594082B1 | Optical wavelength router using reflective surfaces to direct output signals | Electricity | 23 | Expired |
| US6144494A | Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element | Electricity | 22 | Expired |
| US7173767B2 | Focusing device | Physics | 21 | Expired |
| US6307677A | High-isolation dense wavelength division multiplexer utilizing birefringent plates and a non-linear interferometer | Electricity | 21 | Expired |
| US6515779B2 | Method and system for compensating for chromatic dispersion in an optical network | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.