NDLI: Quantum optical control of micro-mechanical resonators

Content Provider	IEEE Xplore Digital Library
Author	Groblacher, S. Vanner, M.R. Trubarov, A. Cole, G.D. Kiesel, N. Aspelmeyer, M.
Copyright Year	2009
Description	Author affiliation: Institute for Quantum Optics and Quantum Information (IQOQI), Austrian Academy of Sciences, Boltzmanngasse 3, A-1090 Wien, Austria (Groblacher, S.; Vanner, M.R.; Trubarov, A.; Cole, G.D.; Kiesel, N.; Aspelmeyer, M.)
Abstract	Optomechanical interactions in high-finesse cavities offer a new promising route for the ongoing experimental efforts to achieve and to control the quantum regime of massive mechanical systems using the available toolbox of quantum optics. For example, they allow to cool mechanical degrees of freedom of movable mirrors via radiation-pressure backaction, in principle even into their quantum ground state. Ground-state cooling will eventually require to realize the scheme in a cryogenic environment. We have taken this next step and realized stable operation of a high-finesse cavity inside a $^{4}He$ cryostat [1]. This allowed us to show radiation-pressure laser cooling of a micro-mechanical kHz resonator from a base temperature of 5 K to approximately 1.3 mK, which corresponds to a thermal occupation factor of ≪n≫ = 32 ± 4 [2]. Heating effects, e.g. due to absorption of photons in the micromirror, could not be observed. The cooling performance is only limited by the thermal coupling to the environment, which can be further reduced by improving the mechanical quality factor of the mechanical resonator and by further reducing the environmental temperature. We will discuss the relevance of these results for the preparation and control of mechanical quantum states.
Starting Page	1
Ending Page	1
File Size	215945
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5191549
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Thermal factors Cooling Stationary state Optical resonators Quantum mechanics Control systems Mechanical systems Mirrors Optical control
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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