Ten-channel single-mode wavelength division demultiplexer in near IR

Ray T. Chen; Huey T. Lu; Daniel Robinson; Michael R. Wang

doi:10.1117/12.50883

Ten-channel single-mode wavelength division demultiplexer in near IR

Ray T. Chen, Huey T. Lu, Daniel Robinson, Michael R. Wang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A ten-channel single-mode wavelength division demultiplexer operating at 740, 750, 760, 770, 780, 790, 800, 810, 820 and 830 nm with diffraction angles varying from 16° to 52° and using a graded index (GRIN) polymer waveguide is reported for the first time. Diffraction efficiency up to 60% was measured. The wavelength spreading of the Ti:Al₂O₃ laser (≈ 4 nm, 3 dB bandwidth) causes an average crosstalk figure of -21 dB. The beamwidth of the diffracted signal as a function of the input beam width, the grating interaction length, and the diffraction angle are considered. Occurrence of maximum values are discussed. A waveguide lens is needed to efficiently couple the diffracted light into an output fiber whenever the diffracted beam size is beyond the core diameter of the fiber involved.

Original language	English (US)
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Publisher	Publ by Int Soc for Optical Engineering
Pages	135-142
Number of pages	8
ISBN (Print)	0819407143, 9780819407146
DOIs	https://doi.org/10.1117/12.50883
State	Published - Jan 1 1991
Externally published	Yes
Event	Integrated Optical Circuits - Boston, MA, USA Duration: Sep 3 1991 → Sep 4 1991

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	1583
ISSN (Print)	0277-786X

Other

Other	Integrated Optical Circuits
City	Boston, MA, USA
Period	9/3/91 → 9/4/91

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.50883

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Cite this

Chen, R. T., Lu, H. T., Robinson, D., & Wang, M. R. (1991). Ten-channel single-mode wavelength division demultiplexer in near IR. In Proceedings of SPIE - The International Society for Optical Engineering (pp. 135-142). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 1583). Publ by Int Soc for Optical Engineering. https://doi.org/10.1117/12.50883

Ten-channel single-mode wavelength division demultiplexer in near IR. / Chen, Ray T.; Lu, Huey T.; Robinson, Daniel; Wang, Michael R.

Proceedings of SPIE - The International Society for Optical Engineering. Publ by Int Soc for Optical Engineering, 1991. p. 135-142 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 1583).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Chen, RT, Lu, HT, Robinson, D & Wang, MR 1991, Ten-channel single-mode wavelength division demultiplexer in near IR. in Proceedings of SPIE - The International Society for Optical Engineering. Proceedings of SPIE - The International Society for Optical Engineering, vol. 1583, Publ by Int Soc for Optical Engineering, pp. 135-142, Integrated Optical Circuits, Boston, MA, USA, 9/3/91. https://doi.org/10.1117/12.50883

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