A 50-GBaud QPSK optical receiver with a phase/frequency detector for energy-efficient intra-data center interconnects

LA Valenzuela, Y Xia, A Maharry… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
This paper describes the energy-efficient realization of a QPSK optical receiver (CoRX) for
short-reach intra-datacenter interconnects based on analog coherent detection. The CoRX …

Direct phase control method for binary phase-shift keying space coherent laser communication

W Ren, J Sun, P Hou, R Han, H He, H Cong… - Chinese Optics …, 2022 - opg.optica.org
An optical phase locking method based on direct phase control is proposed. The core of this
method is to synchronize the carrier by directly changing the phase of the local beam. The …

Effective linewidth reduction in self-homodyne coherent reception by stimulated Brillouin scattering-based optical carrier recovery

C Li, M Merklein, Y Liu, A Choudhary, BJ Eggleton… - Optics …, 2021 - opg.optica.org
In this paper, we demonstrate a self-homodyne coherent system with a significantly
narrowed effective linewidth using optical carrier recovery based on stimulated Brillouin …

Coherent optical receiver for real-time CO-ORMDM systems

JS Lee - Current Optics and Photonics, 2023 - opg.optica.org
We propose a new coherent optical receiver (COR) to detect optical receiver mode (ORM)
subchannels selectively in coherent optical (CO) ORM division multiplexing (ORMDM) …

[HTML][HTML] Effectiveness of Beam-Propagation-Method Simulations for the Directional Coupling of Guided Modes Evaluated by Fabricating Silica Optical-Waveguide …

J Jin, KW Chun, ES Lee, MC Oh - 2022 - journal.osk.or.kr
Effectiveness of Beam-propagation-method Simulations for the Directional Coupling of Guided
Modes Evaluated by Fabricating Silica Optical-waveguide Devices MENU Korean Journal of …

[HTML][HTML] Atomic Layer Deposition Method for Polymeric Optical Waveguide Fabrication

ES Lee, KW Chun, J Jin, YJ Jung, MC Oh - 2024 - kjop.org
Research into optical signal processing using photonic integrated circuits (PICs) has been
actively pursued in various fields, including optical communication, optical sensors, and …

Studies on of phase error oscillations in a class of third-order optical phase locked loop and its effect on a slave optical phase locked loop

M Dandapathak, S Chakraborty - Optical Engineering, 2022 - spiedigitallibrary.org
Dynamics of a third-order optical phase locked loop (OPLL) with a resonant type loop filter
(LF) has been studied analytically and numerically. The range of stable synchronous …

[PDF][PDF] Effect of High Frequency Gain on the Performance of Optical Costas Loop in Face of Loop Delay

M Dandapathak - Indian Journal of Science and …, 2022 - sciresol.s3.us-east-2.amazonaws …
Abstract Objectives: Optical costas loops (OCLs) are widely used in optical communication
as homodyne receivers. Due to use of different electronic counterparts and fibre optic cable …

[PDF][PDF] Mid-infrared electro-optic modulation using the Kerr effect for silicon quantum photonics

BDJ Sayers - 2022 - research-information.bris.ac.uk
Silicon photonic quantum information processing requires a fast switching capability to
actively perform multiplexing (MUX) in large-scale integrated optical circuits that aim to …

원자층증착방법을이용한폴리머광도파로제작

이은수, 천권욱, 진진웅, 정예준, 오민철 - 한국광학회지, 2024 - dbpia.co.kr
근래 광통신, 광센서, 양자광학 등의 다양한 연구 분야에서 광 IC 소자를 이용한 광신호 처리
연구가 활발히 진행되고 있으며, 광 IC 제작에 이용되는 재료들 중 특히 폴리머 재료는 고유의 …