Parity-Time Symmetric Optoelectronic Oscillator Based on an Integrated Mode-Locked Laser

被引：13

作者：

Zou, Fang ^{[1
,2
]}

Zou, Lei ^{[3
]}

Lai, Yun ^{[4
,5
]}

Xie, Changjian ^{[1
]}

Luo, Jie ^{[4
,5
]}

Milosevic, Dusan ^{[6
]}

Yan, Lianshan ^{[1
,2
]}

Pan, Wei ^{[1
,2
]}

Liu, Yu ^{[7
]}

Cao, Zizheng ^{[6
]}

Koonen, Ton ^{[6
]}

Zou, Xihua ^{[1
,2
]}

机构：

[1] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Ctr Informat Photon & Commun, Chengdu 611756, Peoples R China

[2] Southwest Jiaotong Univ, CSNMT Int Cooper ation Res Ctr China, Chengdu 611756, Peoples R China

[3] UCL, London WC1E 6BT, England

[4] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[5] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China

[6] Eindhoven Univ Technol, Inst Photon Integrat, NL-5600 MB Eindhoven, Netherlands

[7] Chinese Acad Sci, Inst Semiconductors, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2021年 / 57卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Photonic integrated circuits; coupled optoelectronic oscillations; parity-time symmetry; semiconductor mode-locked laser; PHOTONICS; SUPPRESSION;

D O I：

10.1109/JQE.2021.3051410

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Originating from the non-Hermitian quantum mechanics, the parity-time (PT) symmetry has been extensively explored to ensure a stable single-mode oscillation for optoelectronic oscillators (OEOs), while avoiding additional extremely challenging ultrahigh-Q filters. Enabled by the emerging photonics integrated circuit (PIC) technology, we report the tunable PT-symmetric OEO by using an integrated mode-locked laser, as a striking advance to reduce the footprint of OEOs. Stable single-mode oscillating signal at 24.5 GHz has been generated with a phase noise of -108 dBc/Hz @ 10 kHz frequency offset. In particular, a tunable frequency range from 24 to 25 GHz is achieved by manipulating the injection currents into the well-designed on-chip linear laser cavity. This work exhibits a breakthrough in conceptual integrated microwave photonic devices, and also accelerates the real-world applications of fundamental physical theory of PT symmetry to information industry.

引用

页数：9

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