Ultra-wide tuning range of reconfigurable optical add-drop multiplexer using photorefractive polymer

Yuta Wakayama; Atsushi Okamoto; Akihisa Tomita; Kunihiro Sato

doi:10.1117/12.874434

24 January 2011 Ultra-wide tuning range of reconfigurable optical add-drop multiplexer using photorefractive polymer

Yuta Wakayama, Atsushi Okamoto, Akihisa Tomita, Kunihiro Sato

Proceedings Volume 7958, Broadband Access Communication Technologies V; 79580H (2011) https://doi.org/10.1117/12.874434
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

We propose a reconfigurable optical add-drop multiplexer with ultra-broadband tuning range over 770 nm using a photorefractive polymer. This add-drop multiplexer can optically switch the assignment of the waveband used for communications by only changing the incident angles of two beams writing a hologram. In this work, we clarified the condition in which the channel tuning can be carried out without the location change in the port array. We simulated on the add-drop operation, and showed the ultra-wide tuning range from 780 to 1550 nm. Moreover, we suggested an apodization method for the grating distribution by controlling the intensity ratio of the writing beams to enhance the diffraction efficiency in add-drop operation. As a result, we showed that the apodization method for the grating distribution can improve the diffraction efficiency.

Citation Download Citation

Yuta Wakayama, Atsushi Okamoto, Akihisa Tomita, and Kunihiro Sato "Ultra-wide tuning range of reconfigurable optical add-drop multiplexer using photorefractive polymer", Proc. SPIE 7958, Broadband Access Communication Technologies V, 79580H (24 January 2011); https://doi.org/10.1117/12.874434

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