NDLI: New frequency standard for optical telecommunications based on difference-frequency generation in PPLN waveguides

Content Provider	IEEE Xplore Digital Library
Author	Sundheimer, M.L. Baldi, P.
Copyright Year	2003
Description	Author affiliation: Dept. of Phys., Univ. Fed. de Pernambuco, Recife, Brazil (Sundheimer, M.L.)
Abstract	We propose a new frequency standard in the C-band at 192.0 THz (1561 nm) for optical telecommunications. This standard is based on difference-frequency generation (DFG) in a periodically-poled lithium niobate (PPLN) waveguide using a continuous-wave Nd:YAG laser at 1064.2 nm and a continuous-wave HeNe laser at 632.8 nm, allowing for a frequency standard at 1561 nm which is derived directly from two internationally-accepted primary standards. In preliminary experiments using unstabilized commercial lasers we generated tip to 0.2 /spl mu/W at 1561 nm using only 24 mW at 1064.2 nm (TM/sub 00/ mode) and 28 /spl mu/W at 632.8 nm (TM/sub 01/ mode). The maximum measured conversion efficiency was 4 % W/sup -1/cm/sup -2/. Much higher output powers and conversion efficiencies are expected with an optimized PPLN waveguide designed to allow mixing of only TM/sub 00/ modes, This is also, to our knowledge, the first demonstration of DFG using a HeNe laser.
Starting Page	287
Ending Page	290
File Size	427195
Page Count	4
File Format	PDF
ISBN	0780378245
DOI	10.1109/IMOC.2003.1244872
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-20
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Frequency Telecommunication standards Waveguide lasers Laser modes Optical mixing Lithium niobate Power generation Design optimization Optical design
Content Type	Text
Resource Type	Article

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