Pulse-resolved measurement of quadrature phase amplitudes of squeezed pulse trains at a repetition rate of 76 MHz
Abstract
We report pulsed homodyne detection of squeezed pulses at a repetition rate of 76 MHz. Measurement of individual pulses, which were interrogated by the correlation coefficient between adjacent pulses, was realized. A homodyne detector was constructed using a low-noise, high-speed operational amplifier; it had a usable bandwidth of 250 MHz. We observed 2.3 dB of squeezing in both the time and frequency domains.
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Building a broadband shot noise-limited homodyne detector operating above a few hundred MHz is technically challenging.
“We remark that building a broadband shot noise-limited homodyne detector operating above a few hundred MHz is technically challenging. 37 -39”
From Quantum random number generation (2016) · cites this paper as [37]
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References 13 · Cited by 44
- Authors
- Okubo, R., Hirano, M., Zhang, Y., & Hirano, T.
- Affiliations
- Japan Science and Technology Agency (JP)
- Gakushuin University (JP)
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2008-06-24
- Volume
- 33
- Issue
- 13
- Pages
- 1458
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2014100294
- Cited by
- 44
- References
- 13
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 2 · 2023: 4 · 2022: 2 · 2021: 4 · 2020: 2 · 2019: 2 · 2018: 3 · 2017: 4 · 2016: 2 · 2015: 3 · 2014: 1 · 2013: 2 · 2012: 3
- FWCI
- 4.23
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Optics Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- squeezed light, high repetition rate, correlation coefficient
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