| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT
(2nd) |
2021-11-30
- 2021-12-01 |
Online |
Online |
[Poster Presentation]
Analysis of the effects of the two-photon temporal distinguishability on measurement-device-independent quantum key distribution
Haobo Ge, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.) |
Measurement-device-independent quantum key distribution (MDI-QKD) protects the receiver from attacks against the measure... [more] |
|
QIT
(2nd) |
2021-11-30
09:30 |
Online |
Online |
Analysis of the minimum number of CZ operations for preparing graph states
Yusei Yoshimura, Ryuhei Mori (Tokyo Tech) |
We analyze the minimum number of CZ operations for preparing graph states by using local Clifford operations and CZ opera... [more] |
|
QIT
(2nd) |
2021-11-30
09:50 |
Online |
Online |
Study on quantum algorithms for gradient estimation of integer polynomials
Shinichi Mizuhara (Univ. of Tokyo), Yutaro Iiyama (ICEPP), Shoji Asai (Univ. of Tokyo) |
Although efficient quantum algorithms for computing gradients of real functions already exist, they tend to be applicabl... [more] |
|
QIT
(2nd) |
2021-11-30
10:10 |
Online |
Online |
Comparison of unknown unitary channels
Yutaka Hashimoto, Akihito Soeda, Mio Murao (UTokyo) |
[more] |
|
QIT
(2nd) |
2021-11-30
10:30 |
Online |
Online |
Quantum computational approach for topological data analysis
-- Quantum algorithm for persistent Betti numbers --
Ryu Hayakawa (Kyoto Univ.) |
Topological data analysis (TDA) based on persistent homology is an emergent field of data analysis. The critical step of... [more] |
|
QIT
(2nd) |
2021-11-30
11:10 |
Online |
Online |
Universal quantum computation by quantum walks on directed graphs
Ryo Asaka, Kazumitsu Sakai, Ryoko Yahagi (Tokyo Univ. Sci.) |
[more] |
|
QIT
(2nd) |
2021-11-30
11:30 |
Online |
Online |
Halving the length of approximate classical representations of pure quantum states with probabilistic encoding
Seiseki Akibue, Go Kato, Seiichiro Taniei (NTT) |
Pure quantum states are often approximately encoded as classical bit-strings such as those representing probability ampl... [more] |
|
QIT
(2nd) |
2021-11-30
11:50 |
Online |
Online |
Maximum logarithmic derivative bound on quantum state estimation as a dual of the Holevo bound
Koichi Yamagata (UEC) |
In quantum estimation theory, the Holevo bound is known as a lower bound of weighed traces of covariances of unbiased es... [more] |
|
QIT
(2nd) |
2021-11-30
12:10 |
Online |
Online |
Universal construction of decoders from unknown encoders
Satoshi Yoshida, Akihito Soeda, Mio Murao (Univ. Tokyo) |
This work considers transformations of encoding operations of quantum information that are given as black box isometry o... [more] |
|
QIT
(2nd) |
2021-11-30
15:30 |
Online |
Online |
[Invited Talk]
Recent progress in the security proof of quantum key distribution in the finite-key regime
Toshihiko Sasaki (Univ. of Tokyo) |
We show a finite-key analysis method for a broad type of quantum key distribution protocols based on a numerical optimiz... [more] |
|
QIT
(2nd) |
2021-11-30
16:20 |
Online |
Online |
Certified Deletion for Public Key Encryption and Classical Communication
Taiga Hiroka, Tomoyuki Morimae (Kyoto Univ.), Ryo Nishimaki, Takashi Yamakawa (NTT) |
Broadbent and Islam (TCC’20) proposed a quantum cryptographic primitive called quantum encryption with certified deletio... [more] |
|
QIT
(2nd) |
2021-11-30
16:40 |
Online |
Online |
Key relay advantage over secure network coding
Go Kato (NTT), Mikio Fujiwara (NICT), Toyohiro Tsurumaru (MELCO) |
[more] |
|
QIT
(2nd) |
2021-11-30
17:00 |
Online |
Online |
Secure multi-party quantum computation based on triply-even quantum error-correcting codes
Mishchenko Petr, Xagawa Keita (NTT) |
In this talk we suggest secure multi-party quantum computation based on triply-even Chalderbank-Shor-Steane (CSS) quantu... [more] |
|
QIT
(2nd) |
2021-11-30
17:20 |
Online |
Online |
Scalable implementation of (2^N+1) mutually unbiased basis measurement for 2^N-dimensional quantum states
Takuya Ikuta (NTT/Osaka Univ.), Seiseki Akibue, Yuya Yonezu, Toshimori Honjo, Hiroki Takesue (NTT), Kyo Inoue (Osaka Univ.) |
(To be available after the conference date) [more] |
|
QIT
(2nd) |
2021-12-01
09:00 |
Online |
Online |
Direct measurement of matrix elements of density-, process- and measurement-matrices using diagrammatic representation
Masaya Takahashi (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.), Akihisa Tomita (Hokkaido Univ.) |
Quantum systems are characterized by density operators for the states, process operators for the time evolution, and POV... [more] |
|
QIT
(2nd) |
2021-12-01
09:20 |
Online |
Online |
Error-Disturbance relations in Faraday measurements
Le Bin Ho, Keiichi Edamatsu (RIEC) |
[more] |
|
QIT
(2nd) |
2021-12-01
09:40 |
Online |
Online |
Time constraints for executing cavity-mediated adiabatic transfer in the presence of dissipation
Akinori Suenaga (Meiji Univ.), Takeru Utsugi (Waseda Univ.), Rui Asaoka, Yuuki Tokunaga (NTT CD Labs.), Rina Kanamoto (Meiji Univ.), Takao Aoki (Waseda Univ.) |
Cavity-mediated adiabatic transfer (CMAT) enables two-qubit gate between atomic qubits trapped in an optical cavity. How... [more] |
|
QIT
(2nd) |
2021-12-01
10:20 |
Online |
Online |
[Tutorial Invited Lecture]
Introduction to quantum sensing
Makoto Negoro (Osaka univ.) |
[more] |
|
QIT
(2nd) |
2021-12-01
11:10 |
Online |
Online |
A fiber-coupled frequency converter based on a PPLN waveguide for quantum internet
Shoichi Murakami, Rintaro Fujimoto, Toshiki Kobayashi, Rikizo Ikuta (Osaka Univ.), Asuka Inoue, Takeshi Umeki, Ryoichi Kasahara, Tetsuya Mukai (NTT), Shigehito Miki (NICT/Kobe Univ.), Shigeyuki Miyajima, Masahiro Yabuno, Fumihiro China, Hirotaka Terai (NICT), Nobuyuki Imoto, Takashi Yamamoto (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2021-12-01
11:30 |
Online |
Online |
Analysis of Linear Optical Circuits Based on Stabilizer Formalism
Tomohiro Yamazaki, Rikizo Ikuta, Takashi Yamamoto (Osaka Univ.) |
In this study, we introduce the bosonic stabilizer formalism for linear optical circuits by analogy with the stabilizer ... [more] |
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