An Integrated Electro-Optically Tunable Multi-Channel Interference Cavity Laser

Junxia Zhou; Yiran Zhu; Botao Fu; Jinming Chen; Huiting Song; Zhihao Zhang; Jianping Yu; Jian Liu; Min Wang; Jia Qi; Ya Cheng

doi:10.1002/lpor.202401664

An Integrated Electro-Optically Tunable Multi-Channel Interference Cavity Laser

Junxia Zhou
, Yiran Zhu
, Botao Fu
, Jinming Chen
, Huiting Song
, Zhihao Zhang
, Jianping Yu
, Jian Liu
, Min Wang
, Jia Qi^*
, Ya Cheng^*

^*Corresponding author for this work

School of Physics and Electronic Science

East China Normal University

Research output: Contribution to journal › Article › peer-review

Abstract

A quasi-continuous tunable laser system is demonstrated by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated laser allows for fine-tuning of the laser wavelength from 1538 to 1560 nm with side-mode suppression ratios (SMSRs) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography-assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of ≈10 µW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth.

Original language	English
Article number	2401664
Journal	Laser and Photonics Reviews
Volume	19
Issue number	17
DOIs	https://doi.org/10.1002/lpor.202401664
State	Published - 4 Sep 2025

Keywords

lithium niobite on insulator (LNOI)
multi-channel interference
photonic integrated circuit (PIC)
tunable laser

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10.1002/lpor.202401664

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title = "An Integrated Electro-Optically Tunable Multi-Channel Interference Cavity Laser",

abstract = "A quasi-continuous tunable laser system is demonstrated by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated laser allows for fine-tuning of the laser wavelength from 1538 to 1560 nm with side-mode suppression ratios (SMSRs) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography-assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of ≈10 µW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth.",

keywords = "lithium niobite on insulator (LNOI), multi-channel interference, photonic integrated circuit (PIC), tunable laser",

author = "Junxia Zhou and Yiran Zhu and Botao Fu and Jinming Chen and Huiting Song and Zhihao Zhang and Jianping Yu and Jian Liu and Min Wang and Jia Qi and Ya Cheng",

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doi = "10.1002/lpor.202401664",

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T1 - An Integrated Electro-Optically Tunable Multi-Channel Interference Cavity Laser

AU - Zhou, Junxia

AU - Zhu, Yiran

AU - Fu, Botao

AU - Chen, Jinming

AU - Song, Huiting

AU - Zhang, Zhihao

AU - Yu, Jianping

AU - Liu, Jian

AU - Wang, Min

AU - Qi, Jia

AU - Cheng, Ya

PY - 2025/9/4

Y1 - 2025/9/4

N2 - A quasi-continuous tunable laser system is demonstrated by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated laser allows for fine-tuning of the laser wavelength from 1538 to 1560 nm with side-mode suppression ratios (SMSRs) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography-assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of ≈10 µW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth.

AB - A quasi-continuous tunable laser system is demonstrated by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated laser allows for fine-tuning of the laser wavelength from 1538 to 1560 nm with side-mode suppression ratios (SMSRs) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography-assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of ≈10 µW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth.

KW - lithium niobite on insulator (LNOI)

KW - multi-channel interference

KW - photonic integrated circuit (PIC)

KW - tunable laser

UR - https://www.scopus.com/pages/publications/105004578966

U2 - 10.1002/lpor.202401664

DO - 10.1002/lpor.202401664

M3 - 文章

AN - SCOPUS:105004578966

SN - 1863-8880

VL - 19

JO - Laser and Photonics Reviews

JF - Laser and Photonics Reviews

IS - 17

M1 - 2401664

ER -

An Integrated Electro-Optically Tunable Multi-Channel Interference Cavity Laser

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Keywords

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