Welcome to the Nayak Lab!

Here we have fun with atoms, photons and nanophotonic structures.

原子、光子、ナノ構造と一緒に楽しみましょう!


研究キーワード: 量子光学、ナノフォトニクス、ナノファイバー光学、レーザー冷却とトラッピング、単一光子、単一原子、単一ナノエミッターの制御と操作


News and Events

[2024/09/16]

Bhavya and Kon presented talks at JPS meeting (日本物理学会, 79回年次大会 ) Hokkaido University, Sapporo Campus.

1- Puthanveettil Bhavya∗, Kei Iidawa, Kali Prasanna Nayak, "Towards trapping an array of single atoms on a nanofiber"

2- Haruto Kon, Shitomi Yuichi and Kali Prasanna Nayak, "Fabrication of photonic crystal cavity on a 300 nm diameter nanofiber using femtosecond laser"

[2024/07/30]

Iidawa presented a poster at 第6回冷却原子研究会「アトムの会」, 伊豆山研修センター, Atami City, Shizuoka. 

Kei Iidawa, Puthanveettil Bhavya, Kali Prasanna Nayak, "ナノ光ファイバー上への単一原子の配列のトラップにむけて"

[2024/04/01]

Three undergraduate (B4) students successfully graduated and continued as M1-Students.

蔀 優一  (Shitomi Yuichi)

飯田和 圭 (Kei Iidawa)

黒松賢匠 (Kensho Kuromatsu)

One undergraduate (B4) student joined our lab.

加藤慶太 (Keita Kato)


[2024/01/15]

One paper published in Applied Physics Letters: Slot waveguide enhanced asymmetric photonic crystal nanofiber cavity for fiber-coupled single photons, Appl. Phys. Lett. 124, 034002 (2024).

[2023/12/15]

KPN, Bhavya and Kon presented talks at Optical Nanofibre Applications: From Quantum to Bio-Technologies (ONNA 2023).

KPN: “Interfacing single quantum emitters with fiber-guided photons” (Invited)

Bhavya: “Towards trapping an array of single atoms on a nanofiber” 

Kon: “Fabrication of photonic crystal cavity on a 300 nm diameter nanofiber” 

[2023/07/05]

KPN presented an invited talk "Quantum Photonics on a Tapered Optical Fiber" at The 28th  Opto-Electronics and Communications Conference (OECC) July 2-6 2023, Shanghai, China. (Online Presentation)

IEEE Publishing Group

[2023/06/18]

Two Posters presented in Quantum 2.0, 18–22 June 2023, Denver, Colorado United States 

Optica Publishing Group 

 "Plasmon Enhanced Polarized Single Photon Emission into Optical Fiber"   Presentation ID: QW2A. 24 (Online Presentation)

"Silicon-vacancy nanodiamonds on an optical nanofiber for quantum technologies" Presentation ID: QW2A. 25  (Online Presentation)

[2023/04/01]

近 悠成 (Kon Haruto) successfully graduated and continued as M1-Student.

Three undergraduate (B4) students joined our lab.

蔀 優一  (Shitomi Yuichi)

飯田和 圭 (Kei Iidawa)

黒松賢匠 (Kensho Kuromatsu)

[2023/03/02]

One paper published in Physical Review Applied: Bright and Polarized Fiber In-Line Single-Photon Source Based on Plasmon-Enhanced Emission into Nanofiber Guided Modes, Phys. Rev. Applied 19, 034008 (2023).

[2022/10/18]

KPN presented a poster "Plasmon Enhanced Polarized Single Photon Emission Into Fiber Guided Modes" at Frontiers in Optics + Laser Science meeting (FIO-LS) 2022 (17 -20 Oct.), organized by Optica, held in a hybrid format at Rochester, USA. Presentation ID: JTu5B.26 (Online Presentation)

[2022/10/11]

One PhD Student, Bhavya P., joined our lab.

[2022/09/29]

One paper published in Journal of Optics: Optimization of nanofiber gratings for efficient single-photon collection, J. Opt. 24, 115401 (2022).

[2022/09/18]

KPN presented an invited talk "Quantum photonics on an all-fiber platform" at 2022 International Conference on Optical Precision Measurements (ICOPM 2022), organized by Taiyuan University of Technology, China (Online Presentation).

[2022/09/13]

KPN presented a talk "Plasmon-enhanced bright and polarized single photon emission into nanofiber guided modes" at The Physical Society of Japan (JPS) 2022 Autumn Meeting, held at Tokyo Institute of Technology (face-to-face).

[2022/07/14]

KPN presented an invited talk "A single atom quantum interface on a tapered optical fiber" at Laser Based Sensors, Optical Sensors Conference 2022 (as part of Optica Optical Sensors and Sensing Congress 2022), (SW4E.6), (online).

[2022/06/27]

One paper appeared in arxiv: Bright and polarized fiber in-line single photon source based on plasmon-enhanced emission into nanofiber guided modes, arXiv:2206.13029 [quant-ph] (2022)

[2022/06/13]

One paper published in Applied Physics Letters: Integration of silicon-vacancy centers in nanodiamonds with an optical nanofiber, Appl. Phys. Lett. 120, 241102 (2022).

[2022/04/01]

One undergraduate student,  近 悠成 (Kon Haruto), joined our lab.

[2022/02/16]

One paper published in Applied Physics Letters: One-sided composite cavity on an optical nanofiber for cavity QED, Appl. Phys. Lett. 120, 071108 (2022).

[2021/10/14]

Lab website has just started!