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Opt Express. 2011 Nov 21;19(24):24090-101. doi: 10.1364/OE.19.024090.

Planar waveguides with less than 0.1 dB/m propagation loss fabricated with wafer bonding.

Author information

1
Department of Electrical and Computer Engineering, University of California, Santa Barbara, CA 93106, USA. jbauters@ece.ucsb.edu

Abstract

We demonstrate a wafer-bonded silica-on-silicon planar waveguide platform with record low total propagation loss of (0.045 ± 0.04) dB/m near the free space wavelength of 1580 nm. Using coherent optical frequency domain reflectometry, we characterize the group index, fiber-to-chip coupling loss, critical bend radius, and propagation loss of these waveguides.

PMID:
22109434
[Indexed for MEDLINE]

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