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Self-Written Optical Funnel for Optical Receiver with High Positional Tolerance
Hiroyuki KUBO Osamu MIKAMI
C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2008/05/01
Online ISSN: 1881-0217
Print ISSN: 1345-2827
Type of Manuscript: LETTER
self-written optical funnel, optical interconnection, microlens plate, photodiode,
Full Text(in Japanese): PDF(470.3KB)
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A new optical connecting scheme enabling high efficiency and low cost between optical devices and optical wiring is needed for realization of optical interconnection. In this letter, we focus on optical connection at the receiver side. The receiving area of photodiode (PD) becomes smaller as the required response speed becomes faster. As a result, requirement of positional alignment should be serious. To solve this problem, a new optical connecting scheme applying a self-written (SW) optical funnel between PD and optical wiring has been proposed. To fabricate SW-optical funnels, "Microlens Transfer Method" has been developed. The shape and optical characteristics of fabricated self-written optical funnels are reported.