Synthesis of optical directional coupler modulators with linear response

The variable coupling directional coupler modulator is of interest for analog RF/microwave links because it can be synthesized to give linear electrical to optical conversion. The synthesis methods are still relatively undeveloped, however. This paper introduces an improvement to the preferred synth...

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Hauptverfasser: Oh, J., Schermer, R.T., Baek, K.-H., Gopinath, A.
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Gopinath, A.
description The variable coupling directional coupler modulator is of interest for analog RF/microwave links because it can be synthesized to give linear electrical to optical conversion. The synthesis methods are still relatively undeveloped, however. This paper introduces an improvement to the preferred synthesis technique, the iterative Newton's method, which allows a closer match to the desired modulator response. A variable coupling directional coupler modulator synthesized with this improved method is then introduced, which has a response substantially more linear than previously reported.
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subjects Applied sciences
Chirp modulation
Circuit properties
Directional couplers
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Equipments and installations
Exact sciences and technology
Nonlinear optical devices
Nonlinear optics
Optical devices
Optical distortion
Optical interferometry
Optical modulation
Optical waveguides
Radiocommunications
Radiorelay links
Signal convertors
Telecommunications
Telecommunications and information theory
Voltage
title Synthesis of optical directional coupler modulators with linear response
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