Diff for "Balanced Homodyne Detection"

Differences between revisions 2 and 7 (spanning 5 versions)

Noise Budget

Simple BHD

The ipython notebook located here describes the noise in a simple balanced homodyne detector consisting only of a local oscillator, a beamsplitter, and two photodiodes. The noise is computed with an Optickle model and a heuristic analytic description is given.

BHD with Mode Cleaners

The ipython notebook located here describes the noise in a balanced homodyne detector with mode cleaners for the signal (OMC) and local oscillator (LMC).

BHD detection of a simple Michelson

BHD detection of the full 40m Interferometer

Requirements

Displacement noise of OMC/LMC mirrors
Scatter loss in mirrors
Cavity design: triangle, quad ring, quad zig-zag (reference the new OMC paper from Koj)
Laser amplitude / frequency noise including DC offsets in various other lock points and motions to simulate bilinear noise
Oscillator noise: AM / FM
Aux length noise: MICH/PRC/ SRC
Req. on offsets/asymmetries: arm finesse, arm reflectivity, mass imbalance of ETMs

-  ⇤ ← Revision 2 as of 2017-10-27 04:50:45 → 
  Size: 14
  Editor: KevinkunsATligoDOTorg
  Comment:
+   ← Revision 7 as of 2017-12-23 03:29:22 → ⇥
  Size: 1315
  Editor: KevinkunsATligoDOTorg
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-Noise Budget
+=== Noise Budget ===

==== Simple BHD ====

The ipython notebook [[https://github.com/CaltechExperimentalGravity/OptimalGWextraction/blob/master/PonderSqueeze/BHD/SimpleBHD.ipynb|located here]] describes the noise in a simple balanced homodyne detector consisting only of a local oscillator, a beamsplitter, and two photodiodes. The noise is computed with an Optickle model and a heuristic analytic description is given.

==== BHD with Mode Cleaners ====

The ipython notebook [[https://github.com/CaltechExperimentalGravity/OptimalGWextraction/blob/master/PonderSqueeze/BHD/BHD_OMC.ipynb|located here]] describes the noise in a balanced homodyne detector with mode cleaners for the signal (OMC) and local oscillator (LMC).

==== BHD detection of a simple Michelson ====

==== BHD detection of the full 40m Interferometer ====

==== Requirements ====
 1. Displacement noise of OMC/LMC mirrors
 1. Scatter loss in mirrors
 1. Cavity design: triangle, quad ring, quad zig-zag (reference the new OMC paper from Koj)
 1. Laser amplitude / frequency noise including DC offsets in various other lock points and motions to simulate bilinear noise
 1. Oscillator noise: AM / FM
 1. Aux length noise: MICH/PRC/ SRC
 1. Req. on offsets/asymmetries: arm finesse, arm reflectivity, mass imbalance of ETMs