Optimisation of micro-structured waveguides in lithium niobate (z-cut)

H. Karakuzu; M. Dubov; S. Boscolo

Optimisation of micro-structured waveguides in lithium niobate (z-cut)

H. Karakuzu
, M. Dubov
, S. Boscolo

Aston Institute of Photonic Technologies (AiPT)

Research output: Unpublished contribution to conference › Poster › peer-review

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Abstract

We present an optimization procedure to improve the propagation properties of the depressed cladding, buried micro-structured waveguides formed in a z-cut lithium niobate (LN) crystal by high repetition rate femtosecond (fs) laser writing. It is shown that the propagation wavelength for which the confinement losses of ordinary (O) and extraordinary ordinary (E) polarizations are below 1 dB/cm can be optimized beyond 3 micro meter for hexagonal WG structures with seven rings of tracks.

Original language	English
Number of pages	2
Publication status	Published - Sept 2014
Event	COMSOL Conference 2014 Cambridge - Churchill College, Cambridge, United Kingdom Duration: 17 Sept 2014 → 19 Sept 2014

Conference

Conference	COMSOL Conference 2014 Cambridge
Country/Territory	United Kingdom
City	Cambridge
Period	17/09/14 → 19/09/14

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Optimisation of micro-structured waveguides in lithium niobate (z-cut)
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http://www.comsol.com/paper/optimization-of-micro-structured-waveguides-in-lithium-niobate-z-cut-18851

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abstract = "We present an optimization procedure to improve the propagation properties of the depressed cladding, buried micro-structured waveguides formed in a z-cut lithium niobate (LN) crystal by high repetition rate femtosecond (fs) laser writing. It is shown that the propagation wavelength for which the confinement losses of ordinary (O) and extraordinary ordinary (E) polarizations are below 1 dB/cm can be optimized beyond 3 micro meter for hexagonal WG structures with seven rings of tracks.",

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T1 - Optimisation of micro-structured waveguides in lithium niobate (z-cut)

AU - Karakuzu, H.

AU - Dubov, M.

AU - Boscolo, S.

N1 - © Authors

PY - 2014/9

Y1 - 2014/9

N2 - We present an optimization procedure to improve the propagation properties of the depressed cladding, buried micro-structured waveguides formed in a z-cut lithium niobate (LN) crystal by high repetition rate femtosecond (fs) laser writing. It is shown that the propagation wavelength for which the confinement losses of ordinary (O) and extraordinary ordinary (E) polarizations are below 1 dB/cm can be optimized beyond 3 micro meter for hexagonal WG structures with seven rings of tracks.

AB - We present an optimization procedure to improve the propagation properties of the depressed cladding, buried micro-structured waveguides formed in a z-cut lithium niobate (LN) crystal by high repetition rate femtosecond (fs) laser writing. It is shown that the propagation wavelength for which the confinement losses of ordinary (O) and extraordinary ordinary (E) polarizations are below 1 dB/cm can be optimized beyond 3 micro meter for hexagonal WG structures with seven rings of tracks.

M3 - Poster

T2 - COMSOL Conference 2014 Cambridge

Y2 - 17 September 2014 through 19 September 2014

ER -

Optimisation of micro-structured waveguides in lithium niobate (z-cut)

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