Background light reduction method with a double phase conjugate mirror and a phase plate for optical inter-satellite communications

Kaori Nishimaki, Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita, Yoshihisa Takayama, Masatoshi Bunsen

Research output: Contribution to journalArticle

Abstract

In optical intersatellite communication, the background light consisting mainly of sunlight decrease transmission rate with increasing bit error. A spatial filtering system using a double-phase-conjugate mirror (DPCM) and a phase plate is proposed to block the background light, which cannot be filtered out by using wavelength filters, polarization filters, or dousers. In this system, the effect of wavefront distortion caused by the phase plate and the compensation effect of the distortion by phase conjugate light from the DPCM are effectively combined for spatially separating signal light and background light. We demonstrated the reduction of the background light by the proposed system and optimized the phase plate for maximizing this reduction effect. As a result, it was clarified that the transmission rate can be drastically improved up to 11-fold.

Original languageEnglish
Article number08MB13
JournalJapanese Journal of Applied Physics
Volume53
Issue number8 SPEC. ISSUE 2
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

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satellite communication
Communication satellites
Mirrors
mirrors
filters
Wavefronts
Optical communication
spatial filtering
sunlight
optical communication
Polarization
Wavelength
polarization
wavelengths

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Background light reduction method with a double phase conjugate mirror and a phase plate for optical inter-satellite communications. / Nishimaki, Kaori; Okamoto, Atsushi; Shibukawa, Atsushi; Tomita, Akihisa; Takayama, Yoshihisa; Bunsen, Masatoshi.

In: Japanese Journal of Applied Physics, Vol. 53, No. 8 SPEC. ISSUE 2, 08MB13, 01.01.2014.

Research output: Contribution to journalArticle

Nishimaki, Kaori ; Okamoto, Atsushi ; Shibukawa, Atsushi ; Tomita, Akihisa ; Takayama, Yoshihisa ; Bunsen, Masatoshi. / Background light reduction method with a double phase conjugate mirror and a phase plate for optical inter-satellite communications. In: Japanese Journal of Applied Physics. 2014 ; Vol. 53, No. 8 SPEC. ISSUE 2.
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