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High Efficient and Small Sized Coupling Optics for Monolithic Array LD Module
Junichiro YAMASHITA Akihiro ADACHI Shinichi KANEKO Tsutomu HASHIMOTO
IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Theory)
optical communication, optical FDM, optics, laser diode array,
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Coupling optics for a monolithic array LD module has been developed. High efficient and small sized confocal optics with aspheric lenses based on hyperbolic surfaces has been designed to achieve the uniformity of coupling loss. A small sized (7.2 cc) 4 channel array LD module with this optics was fabricated. This module has low (4.2 dB) and uniform (0.5 dB) coupling loss.