Optical beam steering using MEMS-controllable microlens array

Tuantranont, Adisorn; Bright, Victor M.; Zhang, J.; Zhang, W.; Neff, John A.; Lee, Y.C.

doi:10.1016/s0924-4247(01)00609-4

Cited by 102 publications

(63 citation statements)

References 5 publications

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“…Generation of these tilted plane-waves can be achieved though the use of an optical device that induces a direction of propagation change to an optical beam; such a device could be a prism, lens, grating, spatial light modulator and MEMS array [19,20]. In SDM systems, it is important to have efficient methods for the multiplexing (mux) and demultiplexing (demux) of the independent channels [2,5].…”

Section: Ocis Codes: (2002605) Free-space Optical Communication (20mentioning

confidence: 99%

“…We note that in any free-space optical link atmospheric turbulence issues are a concern, where turbulence could place limitations on the link capacity [9]. The correction of optical aberration arising from turbulence is a common challenge facing astronomical observations, where certain approaches might be applied for correction in free-space optical communications links [20,21,22]. In addition to increasing the number of spatially multiplexed channels one could, with use of suitably achromatic lens at the sender and receiver, implement wavelength based multiplexing schemes [24].…”

Section: Fig 3 (A)mentioning

confidence: 99%

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Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing

et al. 2016

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We demonstrate a 280-Gbit/s free-space SDM communications link incorporating a set of independent tilted truncated plane-waves, each generated by a single mode fiber placed at the back-focal plane of a spherical lens. Each of the 7 tilted plane-wave channels are encoded with a 40-Gbit/s 16-QAM signal. Our approach comprises two identical linear fiber-arrays placed approximately 5 m apart. As each fiber array is placed at the back-focal-plane of a spherical lens, each fiber array is effectively placed in a conjugate image plane of the other. A channel crosstalk less than 26 dB is shown, with a bit-error-rate below the FEC threshold of 3.8 × 10−3.

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Section: Ocis Codes: (2002605) Free-space Optical Communication (20mentioning

confidence: 99%

Section: Fig 3 (A)mentioning

confidence: 99%

Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing

et al. 2016

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“…A printed circuit board (PCB) makes use of optical systems communicating with each other in free space [10]. Such systems have the particular advantage of allowing for high density and -due to the use of, e.g., controllable micromirrors -for switching a light beam [11]. However, a rather serious disadvantage of such solutions is the difficulty in coupling of the whole optical system [12].…”

Section: Optical Connections In Chip-to-chip Systemsmentioning

confidence: 99%

Realization of optical fibers terminated with ball lenses

Guzowski¹,

Lisik²,

Tosik³

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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“…interconnects have attracted enormous interests particularly [3][4][5]; and, fast on-chip optical beam detection/tracking/steering techniques are expected to play critical roles in the next-generation optical interconnects [6][7][8]. The most traditional laser beam detection techniques rely on mechanical steering [9,10].…”

Section: Open Accessmentioning

confidence: 99%

Design of an Angle Detector for Laser Beams Based on Grating Coupling

Saha

et al. 2012

Micromachines

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A novel angle detector for laser beams is designed in this paper. It takes advantage of grating coupling to couple the incident light into a slab waveguide; and, the incident light's angle can be determined by reading the outputs of light detectors within the waveguide. This device offers fast-responding on-chip detection of laser beam's angle. Compared to techniques based on quadrant photodiodes or lateral effect photodiodes, the device in this paper has far greater detectable range (up to a few degrees, to be specific). Performance of the laser angle detector in this paper is demonstrated by finite-differencetime-domain simulations. Numerical results show that, the detectable angle range can be adjusted by several design parameters and can reach [−4°, 4°]. The laser beam angle detector in this paper is expected to find various applications such as ultra-fast optical interconnects.

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Optical beam steering using MEMS-controllable microlens array

Cited by 102 publications

References 5 publications

Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing

Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing

Realization of optical fibers terminated with ball lenses

Design of an Angle Detector for Laser Beams Based on Grating Coupling

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