A mirrorless spinwave resonator

Olivier Pinel; Jesse L. Everett; Mahdi Hosseini; Geoff T. Campbell; Ben C. Buchler; Ping Koy Lam

doi:10.1038/srep17633

A mirrorless spinwave resonator

Olivier Pinel, Jesse L. Everett, Mahdi Hosseini, Geoff T. Campbell, Ben C. Buchler^*, Ping Koy Lam

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Optical resonance is central to a wide range of optical devices and techniques. In an optical cavity, the round-trip length and mirror reflectivity can be chosen to optimize the circulating optical power, linewidth, and free-spectral range (FSR) for a given application. In this paper we show how an atomic spinwave system, with no physical mirrors, can behave in a manner that is analogous to an optical cavity. We demonstrate this similarity by characterising the build-up and decay of the resonance in the time domain, and measuring the effective optical linewidth and FSR in the frequency domain. Our spinwave is generated in a 20 cm long Rb gas cell, yet it facilitates an effective FSR of 83 kHz, which would require a round-trip path of 3.6 km in a free-space optical cavity. Furthermore, the spinwave coupling is controllable enabling dynamic tuning of the effective cavity parameters.

Original language	English
Article number	17633
Journal	Scientific Reports
Volume	5
DOIs	https://doi.org/10.1038/srep17633
Publication status	Published - 10 Dec 2015

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abstract = "Optical resonance is central to a wide range of optical devices and techniques. In an optical cavity, the round-trip length and mirror reflectivity can be chosen to optimize the circulating optical power, linewidth, and free-spectral range (FSR) for a given application. In this paper we show how an atomic spinwave system, with no physical mirrors, can behave in a manner that is analogous to an optical cavity. We demonstrate this similarity by characterising the build-up and decay of the resonance in the time domain, and measuring the effective optical linewidth and FSR in the frequency domain. Our spinwave is generated in a 20 cm long Rb gas cell, yet it facilitates an effective FSR of 83 kHz, which would require a round-trip path of 3.6 km in a free-space optical cavity. Furthermore, the spinwave coupling is controllable enabling dynamic tuning of the effective cavity parameters.",

author = "Olivier Pinel and Everett, {Jesse L.} and Mahdi Hosseini and Campbell, {Geoff T.} and Buchler, {Ben C.} and Lam, {Ping Koy}",

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T1 - A mirrorless spinwave resonator

AU - Pinel, Olivier

AU - Everett, Jesse L.

AU - Hosseini, Mahdi

AU - Campbell, Geoff T.

AU - Buchler, Ben C.

AU - Lam, Ping Koy

PY - 2015/12/10

Y1 - 2015/12/10

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AB - Optical resonance is central to a wide range of optical devices and techniques. In an optical cavity, the round-trip length and mirror reflectivity can be chosen to optimize the circulating optical power, linewidth, and free-spectral range (FSR) for a given application. In this paper we show how an atomic spinwave system, with no physical mirrors, can behave in a manner that is analogous to an optical cavity. We demonstrate this similarity by characterising the build-up and decay of the resonance in the time domain, and measuring the effective optical linewidth and FSR in the frequency domain. Our spinwave is generated in a 20 cm long Rb gas cell, yet it facilitates an effective FSR of 83 kHz, which would require a round-trip path of 3.6 km in a free-space optical cavity. Furthermore, the spinwave coupling is controllable enabling dynamic tuning of the effective cavity parameters.

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A mirrorless spinwave resonator

Abstract

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