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Direct laser writing of self-developed waveguides in benzyldimethylketal-doped sol-gel hybrid glass

Published online by Cambridge University Press:  31 January 2011

Byeong-Soo Bae ,
Oun-Ho Park ,
Robbie Charters ,
Barry Luther-Davies  and
Graham R. Atkins
Byeong-Soo Bae
Affiliation:
Laboratory of Optical Materials and Coating (LOMC), Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Taejon, 305–701, Korea
Oun-Ho Park
Affiliation:
Laboratory of Optical Materials and Coating (LOMC), Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Taejon, 305–701, Korea
Robbie Charters
Affiliation:
Australian Photonics Cooperative Research Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia
Barry Luther-Davies
Affiliation:
Australian Photonics Cooperative Research Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia
Graham R. Atkins
Affiliation:
Australian Photonics Cooperative Research Centre, Optical Fibre Technology Centre, University of Sydney, Australian Technology Park, Eveleigh, NSW 1430, Australia
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Abstract

Exposure of benzyldimethylketal (BDK)-doped sol-gel hybrid glass films to ultraviolet light produces a refractive index increase up to 43 × 10−3 and an increase in thickness due to photolocking of the BDK into the sol-gel hybrid glass matrix. Thus, single mode ridge waveguides at λ = 1550 nm can be fabricated by direct laser exposure without using photomask and development processes. The slower laser writing speed gives greater refractive index change producing more circular guided mode profiles.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 11 , November 2001 , pp. 3184 - 3187
Copyright
Copyright © Materials Research Society 2001

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References

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