Published May 1, 2018
| Submitted
Journal Article
Open
External quantum efficiency enhancement by photon recycling with backscatter evasion
Chicago
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Abstract
The nonunity quantum efficiency (QE) in photodiodes (PD) causes deterioration of signal quality in quantum optical experiments due to photocurrent loss as well as the introduction of vacuum fluctuations into the measurement. In this paper, we report that the external QE enhancement of a PD was demonstrated by recycling the reflected photons. The external QE for an InGaAs PD was increased by 0.01–0.06 from 0.86–0.92 over a wide range of incident angles. Moreover, we confirmed that this technique does not increase backscattered light when the recycled beam is properly misaligned.
Additional Information
© 2018 Optical Society of America. Received 23 January 2018; revised 24 March 2018; accepted 26 March 2018; posted 27 March 2018 (Doc. ID 320312); published 23 April 2018. RXA gratefully acknowledges funding provided by the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation. Funding: Directorate for Mathematical and Physical Sciences (MPS) (PHY-0757058).Attached Files
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Additional details
- Alternative title
- Quantum efficiency enhancement by photon recycling with backscatter evasion
- Eprint ID
- 83136
- Resolver ID
- CaltechAUTHORS:20171112-131948306
- Institute for Quantum Information and Matter (IQIM)
- Gordon and Betty Moore Foundation
- NSF
- PHY-0757058
- Created
-
2017-11-14Created from EPrint's datestamp field
- Updated
-
2021-11-15Created from EPrint's last_modified field
- Caltech groups
- Institute for Quantum Information and Matter, LIGO