Fremont, California, November 20, 2024 — Optoplex today launched a series of optical delay-lines (ODLs) and delay-line-interferometers (DLIs) particularly for demanding quantum applications..

Optoplex is a technology and market leader of optical phase demodulators (DPSK, DQPSK, QPSK and DP-QPSK) and integrated receivers for telecom optical communications and aerospace satellite communications.

Products

The newly released optical delay-lines (ODLs) and the delay-line-interferometers (DLIs) include

1. Optical Delay-Lines (ODLs)
1. Fixed Delay-Lines:
1. Free-Space Design: max 1 ns
2. Hybrid Design: max 100 ns
2. Variable Delay-Lines:
1. a. Manually Variable: max 50mm moving range, ~333 ps
2. b. Motorized: max 150mm moving, ~ 1000 ps
2. Delay-Lines Interferometer (DLIs)
1. Fixed FSR:
1. Free-Space Design: min. 0.5GHz FSR
2. Hybrid Design: min. 10MHz (100ns delay)
2. Variable FSR:
1. Manually Variable: max 50mm moving range, ~333 ps, or 3 ~ 15GHz FSR
2. Motorized: max 150mm moving, ~ 1000 ps, or 1 ~ 6 GHz FSR

Notes:

1. Regardless fixed or variable FSR, the DLIs are designed with phase tunable. Standard offer of the tuning range is 1.5FGSR. Wide tuning ranges such as >3 FSRs, > 5 FSRs, or even > 10 FSRs are available upon special request.
2. Available wavelength bands: C-, L-, C+L, or O-Bands.

Features

• Based on free-space optics and athermal design
• Extremely environment stable
• Low insertion loss
• Polarization independent
• Phase-Tunable

Applications

Optical delay lines (ODLs) and delay-line interferometers (DLIs) have a range of applications across different fields of optics and photonics. Some of the major applications include:

1. Optical Communications & Signal Processing
• Coherent Optical Systems: Used for phase matching, dispersion compensation, and synchronization of optical signals.
• Optical Packet Switching: Helps in buffering and time-division multiplexing in high-speed networks.
• Optical Code-Division Multiple Access (OCDMA): Employed in encoding and decoding optical signals.
• Clock Recovery & Optical Sampling: DLIs assist in precise clock extraction in high-speed optical networks.
2. Microwave Photonics
• Optical Beamforming Networks (OBFNs): Used in phased-array antennas for beam steering.
• Microwave Signal Processing: Delay lines assist in optical RF filters and signal correlation applications.
3. Metrology & Sensing
• Interferometric Measurement: DLIs are used in precise distance and displacement measurements.
• Optical Coherence Tomography (OCT): Optical delay lines play a role in depth scanning.
• Fiber Optic Sensors: Used in applications like fiber Bragg grating (FBG) interrogation and temperature/strain sensing.
4. Quantum Optics & Computing
• Quantum Key Distribution (QKD): Used in time-bin encoding and entanglement-based communication.
• Quantum Interference Experiments: DLIs are essential for quantum state superposition experiments.
5. Optical Coherence & Laser Stabilization
• Phase Noise Reduction: DLIs are used for stabilizing and filtering laser phase noise.
• Optical Frequency Comb Stabilization: Important in precision spectroscopy and timekeeping.

For more production information, please visit www.optoplex.com, or contact sales@optoplex.com .

About Optoplex Corporation
Optoplex Corporation is a leading provider of various innovative telecom components, modules and subsystems for communications networks. Optoplex focuses on designs, developments, and manufacturing of a broad platform of cutting-edge customized fiber-optic products for the telecom network systems, which allow network systems to more effectively utilize their current resources. Since June 2000, Optoplex has made large-scale investments in research and development activities by assembling a seasoned team of optical design, packaging and thin-film coating experts to revolutionize the fabric-optic products, thereby paving the path to the next generation of communication systems.

Based on its proprietary free-space optics platforms, Optoplex recently developed a series of cutting-edge products for demanding applications, from fiber optic sensing (DAS), Lidar, quantum communications (QKD, QRANG), quantum computing, quantum sensors, to satellite communications.

For more information, please contact Optoplex Corporation at info@optoplex.com.