76128932
Sep 14, 2000
Optical communications products, namely, tunable lasers, widely tunable diode lasers, sampled-grating distributed reflector lasers, vernier tuned lasers, widely tunable lasers using differing multielement mirrors, multiple wavelength channel lasers, multichannel lasers for dense wavelength division multiplexing, and vertical cavity surface-emitting lasers; tunable laser sources, namely optical parametric oscillators, packaged together with associated electronic control circuitry, optical modulators, receivers and amplifiers to form tunable laser modules, optical multiplexes, wavelength converters and transponder; chip-based tunable lasers standing alone or integrated onto the same chip as multiplexes, amplifiers, receivers, modulators, transponder and associated control circuitry for wavelength division multiplexing applications; tunable laser modules for fiber optic networks
Electrical and Scientific Apparatus