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Chip-based Brillouin lasers as spectral purifiers for photonic systems

Li, Jiang and Lee, Hansuek and Chen, Tong and Painter, Oskar and Vahala, Kerry (2012) Chip-based Brillouin lasers as spectral purifiers for photonic systems. California Institute of Technology , Pasadena, CA. (Submitted) http://resolver.caltech.edu/CaltechAUTHORS:20120206-105450544

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Abstract

High coherence lasers are essential in a wide range of applications, however, such performance is normally associated with large laser cavities, because increasing energy storage reduces quantum phase noise and also renders the laser frequency less sensitive to cavity vibration. This basic scaling rule is at odds with an emerging set of optical systems that place focus on compact (optimally integrable) sources of high coherence light. These include phase-coherent optical communication using quadrature-amplitude-modulation, and also record-low phase noise microwave sources based upon optical comb techniques. In this work, the first, chip-based Brillouin laser is demonstrated. It features high-efficiency and single-line operation with the smallest recorded Schawlow-Townes frequency noise for any chip-based laser. Because the frequency offset between the laser's emission and the input pump is relatively small, the device provides a new function: spectral purification of compact, low coherence sources such as semiconductor lasers.


Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1201.4212arXivUNSPECIFIED
Additional Information:The authors would like to thank Scott Papp and Scott Diddams for helpful comments. We gratefully acknowledge the Defense Advanced Research Projects Agency under the Orchid programs and also the Kavli Nanoscience Institute at Caltech.
Group:Institute for Quantum Information and Matter, IQIM
Funders:
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA) ORCHID Program UNSPECIFIED
Caltech Kavli Nanoscience Institute (KNI)UNSPECIFIED
Subject Keywords:Optics (physics.optics)
Record Number:CaltechAUTHORS:20120206-105450544
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120206-105450544
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29151
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Apr 2012 21:42
Last Modified:26 Dec 2012 14:48

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