On-chip spectro-detection for fully integrated coherent beam combiners

Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

12 pages, 6 figures, part of the Optics Express special issue dedicated to Astrophotonics

Scientific paper

10.1364/OE.17.001976

This paper presents how photonics associated with new arising detection technologies is able to provide fully integrated instrument for coherent beam combination applied to astrophysical interferometry. The feasibility and operation of on-chip coherent beam combiners has been already demonstrated using various interferometric combination schemes. More recently we proposed a new detection principle aimed at directly sampling and extracting the spectral information of an input signal together with its flux level measurement. The so-called SWIFTS demonstrated concept that stands for Stationary-Wave Integrated Fourier Transform Spectrometer, provides full spectral and spatial information recorded simultaneously thanks to a motionless detecting device. Due to some newly available detection principles considered for the implementation of the SWIFTS concept, some technologies can even provide photo-counting operation that brought a significant extension of the interferometry domain of investigation in astrophysics . The proposed concept is applicable to most of the interferometric instrumental modes including fringe tracking, fast and sensitive detection, Fourier spectral reconstruction and also to manage a large number of incoming beams. The paper presents three practical implementations, two dealing with pair-wise integrated optics beam combinations and the third one with an all-in-one 8 beam combination. In all cases the principles turned into a pair wise baseline coding after proper data processing.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

On-chip spectro-detection for fully integrated coherent beam combiners does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with On-chip spectro-detection for fully integrated coherent beam combiners, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On-chip spectro-detection for fully integrated coherent beam combiners will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-20319

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.