Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
Journal Home About Issues in Progress Current Issue All Issues Early Posting

Bias-drift insensitive full-field frequency response characterization of a thin-film lithium niobate-based intensity modulator

Xiaobao Li, RuiTao Wu, Jilong Li, Heyun Tan, Meng Xiang, Songnian Fu, Xinlun Cai, and YuWen Qin

Not Accessible

Your library or personal account may give you access

Abstract

We propose a rapid and precise scheme for characterizing the full-field frequency response of a thin-film lithium niobate-based intensity modulator (TFLN-IM) via a specially designed multi-tone microwave signal. Our proposed scheme remains insensitive to the bias-drift of IM. Experimental verification is implemented with a self-packaged TFLN-IM with a 3 dB bandwidth of 30 GHz. In comparison with the vector network analyzer (VNA) characterization results, the deviation values of the amplitude-frequency response (AFR) and phase-frequency response (PFR) within the 50 GHz bandwidth are below 0.3 dB and 0.15 rad, respectively. When the bias is drifted within 90% of the Vπ range, the deviation fluctuation values of AFR and PFR are less than 0.3 dB and 0.05 rad, respectively. With the help of the full-field response results, we can pre-compensate the TFLN-IM for the 64 Gbaud PAM-4 signals under the back-to-back (B2B) transmission, achieving a received optical power (ROP) gain of 2.3 dB. The versatility of our proposed full-field response characterization scheme can extend to various optical transceivers, offering the advantage of low cost, robust operation, and flexible implementation.

© 2024 Optica Publishing Group

Full Article  |  PDF Article
More Like This
Polarization-insensitive and high-efficiency edge coupler for thin-film lithium niobate

Zehao Guo, Weixi Liu, Chengfeng Wen, Lijia Song, Liu Liu, Daoxin Dai, and Yaocheng Shi
Opt. Lett. 49(10) 2537-2540 (2024)

Compact optical 90° hybrid based on a wedge-shaped 2 × 4 MMI coupler and a 2 × 2 MMI coupler on a thin-film lithium niobate platform

Yake Chen, Xiaojun Xie, Yang Sun, Wei Pan, and Lianshan Yan
Opt. Lett. 49(5) 1145-1148 (2024)

High performance polarizer on thin-film lithium niobate with width-tapered Euler bending

Weixi Liu, Chengfeng Wen, Chenkun Lei, Lijia Song, Daoxin Dai, and Yaocheng Shi
Opt. Lett. 49(9) 2337-2340 (2024)

View More...

Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (3)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters
Select Topics Cancel
Top
       
© Copyright 2024 | Optica Publishing Group. All rights reserved, including rights for text and data mining and training of artificial technologies or similar technologies.
Privacy | Terms of Use