Weak-signal conversion from 1550 to 532  nm with 84% efficiency

Quantum Up-Conversion of Squeezed Vacuum States from 1550 to 532 nm

(2014) Christina E. Vollmer et al.   PHYSICAL REVIEW LETTERS

First Long-Term Application of Squeezed States of Light in a Gravitational-Wave Observatory

(2013) H. Grote et al.   PHYSICAL REVIEW LETTERS

Squeezed light at 1550 nm with a quantum noise reduction of 123 dB

(2011) Moritz Mehmet et al.   OPTICS EXPRESS

High-efficiency frequency doubling of continuous-wave laser light

(2011) Stefan Ast et al.   OPTICS LETTERS

Cavity-enhanced generation of 6 W cw second-harmonic power at 532 nm in periodically-poled MgO:LiTaO_3

(2010) Iolanda Ricciardi et al.   OPTICS EXPRESS

Multicrystal, continuous-wave, single-pass second-harmonic generation with 56% efficiency

(2010) G. K. Samanta et al.   OPTICS LETTERS

Continuous-wave single-frequency 532 nm laser source emitting 130 W into the fundamental transversal mode

(2010) Tobias Meier et al.   OPTICS LETTERS

Quantum Enhancement of the Zero-Area Sagnac Interferometer Topology for Gravitational Wave Detection

(2010) Tobias Eberle et al.   PHYSICAL REVIEW LETTERS

Realization of a Monolithic High-Reflectivity Cavity Mirror from a Single Silicon Crystal

(2010) Frank Brückner et al.   PHYSICAL REVIEW LETTERS

Quantum metrology for gravitational wave astronomy

(2010) Roman Schnabel et al.   Nature Communications