Accession Number : ADD008574

Title :   Integrated Bias for Waveguide Amplitude Modulator.

Descriptive Note : Patent,


Personal Author(s) : Burns,William K

Report Date : 12 May 1981

Pagination or Media Count : 4

Abstract : An interferometric waveguide amplitude modulator for conducting optical energy, and having an integral means for producing a linear response to a small applied voltage (approximately less than 100 volts), includes a first waveguide arm which has an increased physical length relative to a second waveguide arm, the increase Delta being defined by Delta = pi/(2Kn), where K = 2pi/lambda and K is the free-space wavevector, lambda is the free-space wavelength of the optical energy and n is the index of refraction of the waveguide material. The increase Delta, provides an integral bias of pi/2 radians to the modulator for producing a linear response to a small applied voltage. (Author)

Descriptors :   *Patents, *Optical interferometers, *Optical waveguides, *Light modulators, Amplitude modulation, Physical properties, Optical properties, Integrated systems, Energy, Length, Linearity, Bias, Response, Voltage, Materials, Modulators, Waveguides

Subject Categories : Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE