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Dive into the research topics where Naru Yasuda is active.

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Featured researches published by Naru Yasuda.


Active and passive optical components for WDM communications. Conference | 2003

Replicated polymer optical waveguides

Naru Yasuda

A novel replication technology for fabricating polymer optical waveguides has been developed and named as SPICA (Stacked Polymer optical IC/Advanced). SPICA is superior to current semiconductor fabrication technology because it satisfies the needs of low-cost and high-volume manufacturing. Furthermore, SPICA can be processed and packaged much like as IC devices by using planar fabrication and batch processing. Using SPICA, a single-mode optical waveguide has been fabricated the optical characteristics of which include insertion loss of less than 0.2 dB/cm. Other functional devices, such as a coupler, tap-coupler, optical switch, VOA (Variable Optical Attenuator) and optical transceiver, were also successfully fabricated.


Archive | 1995

Optical sensor device

Hironobu Kiyomoto; Naru Yasuda; Kouichi Ekawa


Archive | 2005

Optical device and apparatus comprising the optical device

Hironobu Kiyomoto; Naru Yasuda; Kenji Homma; Yukari Terakawa


Archive | 2001

Optical device and apparatus employing the same

Hironobu Kiyomoto; Naru Yasuda; Kenji Homma; Yukari Terakawa


Archive | 2003

Optical waveguide device, manufacturing method thereof, and optical communication apparatus

Kazuyuki Hayamizu; Yoshiyuki Komura; Yukari Terakawa; Toshiyuki Takahashi; Masayoshi Higuchi; Yoshitaka Tatara; Naru Yasuda; Hiroto Nozawa


Archive | 2006

Transparent optical component for light emitting/receiving elements

Hironobu Kiyomoto; Naru Yasuda; Kenji Homma; Yukari Terakawa


Archive | 2008

OPTICAL TRANSMISSION MODULE, ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING OPTICAL TRANSMISSION MODULE

Junichi Tanaka; Hiroshi Sameshima; Naru Yasuda


Archive | 2007

Optical transmission line, optical transmission module, and electronic equipment

Kentaro Hamana; Akihiko Sano; Naru Yasuda; 彰彦 佐野; 成留 安田; 建太郎 濱名; 速美 細川


Archive | 2002

Optical wave guide and method for producing the same

Masayoshi Higuchi; Toshiyuki Takahashi; Hiromi Totani; Naru Yasuda; F. Sato


Archive | 2002

Optical device, and optical transceiver and other optical apparatuses using the optical device

Naru Yasuda; Yukari Terakawa

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