A "low-deformation mirror" micro-oscillator with ultra-low optical and mechanical losses

被引：21

作者：

Serra, E. ^{[1
,2
]}

Borrielli, A. ^{[1
,3
]}

Cataliotti, F. S. ^{[4
,5
,6
]}

Marin, F. ^{[5
,6
,7
]}

Marino, F. ^{[5
,6
,8
]}

Pontin, A. ^{[1
,9
]}

Prodi, G. A. ^{[1
,9
]}

Bonaldi, M. ^{[1
,3
]}

机构：

[1] Ist Nazl Fis Nucl, Grp Collegato Trento, I-38123 Povo, TN, Italy

[2] FBK Univ Trento, Interdisciplinary Lab Computat Sci LISC, I-38123 Povo, TN, Italy

[3] Inst Mat Elect & Magnetism, Nanosci Trento FBK Div, I-38123 Povo, TN, Italy

[4] Univ Florence, Dipartimento Energet, I-50139 Florence, Italy

[5] European Lab Nonlinear Spect LENS, I-50019 Sesto Fiorentino, FI, Italy

[6] Ist Nazl Fis Nucl, Sez Firenze, I-50019 Sesto Fiorentino, FI, Italy

[7] Univ Florence, Dipartimento Fis, I-50019 Sesto Fiorentino, FI, Italy

[8] CNR, Ist Sistemi Complessi, I-50019 Sesto Fiorentino, FI, Italy

[9] Univ Trent, Dipartimento Fis, I-38123 Povo, TN, Italy

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 07期

基金：

欧洲研究理事会;

关键词：

QUANTUM-NOISE REDUCTION; RADIATION PRESSURE; OPTOMECHANICS; SILICON; CAVITY;

D O I：

10.1063/1.4745510

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the mechanical losses measured in a "low-deformation mirror" micro-oscillator designed to reduce as much as possible the strain in the coating layer and the resulting energy dissipation. The deposition of the highly reflective coating layer has been fully integrated in the micro-machining process. We measured at cryogenic temperature a mechanical quality factor up to 10(5) and an optical finesse of about 4 x 10(4), and simulations show that the device can manage input powers of a few mW at 4.2 K. These features make the device very promising for quantum optics experiments. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4745510]

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页数：4

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