LIGO Document P070120-x0

Quantum noise in differential-type gravitational-wave interferometer and signal recycling

Document #:
LIGO-P070120-x0
Document type:
P - Publications
Abstract:
In the sensitivity of laser interferometer gravitational-wave detectors, there exists the standard quantum limit (SQL), derived from Heisenberg's uncertainty relation. The SQL can be overcome using the quantum correlation between shot noise and radiation-pressure noise. One of the methods to overcome SQL, signal recycling, is considered so far only in a recombined-type interferometer such as Advanced-LIGO, LCGT, and GEO600. In this paper, we investigated quantum noise and signal recycling in a differential-type interferometer. We also applied it to a real detector and compared the sensivity with a recombined type.
Files in Document:
Other Files:
Notes and Changes:

Rev P070120-00-Z:
- Full document number: LIGO-P070120-00-Z
- Author(s): Atsushi Nishizawa; Seiji Kawamura; Masa-aki Sakagami
- Document date: 2007-10-17
- Document received date: 2007-10-17
- Document entry date: 2007-10-17

DCC Version 3.2.2, contact Document Database Administrators