National Institute of Information and Communications Technology, Incorporated

Optoquest Co., Ltd.

Seitetsu Boku

Naoya Wada

Takuya Yoda

Fumi Moritsuka

Yusaku Tottori

Kashiko Kodate

Yuki Komai

Hiroyuki Yamazaki

A wavelength selective polarization controller capable of controlling the polarization plane of optical wavelength multiplexing signals, for each wavelength component, and which does not generate time lag between each component is provided. This wavelength selective polarization controller has: a telecentric optical system to which optical wavelength multiplexing signals are incident; a polarization controller that controls the polarization plane of light output from the telecentric optical system; and an output optical system for outputting to an optical path output from the polarization controller. The telecentric optical system has: a first diffraction grating to which the optical wavelength multiplexing signals are incident; and a first condenser that condenses the optical wavelength multiplexing signals that have passed through the diffraction grating. The polarization controller has a plurality of phase modulators.

Wavelength selection polarization controller

It is an object of the present invention to provide an optical waveform shaping device of high resolution. The above-mentioned problem is solved by an optical waveform shaping device () comprising a branching filter () for dividing the light beam from a light source into light beams of each frequency, a condensing part () for condensing a plurality of light beams divided by the branching filter (), a polarization separation means () for adjusting the polarizing planes of the light beams having passed through the condensing part (), and a spatial light modulator () having a phase modulation part and an intensity modulation part where the light beams having passed through the polarizing plate () are incident.

High resolution optical waveform shaping device having phase shift compensation associated with optical intensity modulation

The present invention provides an optical waveform shaping device () of high resolution comprising a branching filter () for branching the light beam from a light source into light beams of each frequency, a condensing part () for condensing a plurality of light beams branched by the branching filter (), a polarizing plate () for adjusting the polarization planes of the light beams having passed through the condensing part (), and a spatial light modulator () having a phase modulation part and an intensity modulation part where the light beams having passed through the polarizing plate () are incident.

Optical waveform shaping device

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Ageo, Japan

Seitetsu Boku