Ultrafast All-Optical Processor Based on Quantum-Dot Semiconductor Optical Amplifiers

Ezra, Y. Ben; Lembrikov, B. I.; Haridim, M.

doi:10.1109/jqe.2008.2003497

Cited by 76 publications

(45 citation statements)

References 44 publications

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“…However, the SOA operation rate can be significantly increased up to 100 Gb/s by using the quantum dot semiconductor optical amplifiers (QD-SOA) [8,11]. A theoretical model of an ultrafast all-optical signal processor based on QD-SOA MZI has been developed with limiting bit rates of 100 and 200 Gb/s at the injection currents of I = 30 mA and I = 50 mA, respectively [12].…”

Section: All-optical Logic Gates With Soamentioning

confidence: 99%

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Ultra-Fast All-Optical Memory based on Quantum Dot Semiconductor Optical Amplifiers (QD-SOA)

Ezra¹,

Lembrikov²

2017

Optical Fiber and Wireless Communications

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All-optical signal processing is characterized by high bit-rate, power efficiency, high bandwidth, and transparency. All-optical logic gates are basic logic units for the alloptical signal processing implementation. Typically, all-optical gates are based on strong optical nonlinearities related in particular to semiconductor optical amplifiers (SOA). We briefly review the state of art in the field of all-optical logic gates and all-optical memory. In the original part, we discuss the ultrafast all-optical memory loop based on the Mach-Zehnder interferometer (MZI) with quantum dot (QD) semiconductor optical amplifier (SOA) in each arm.

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Section: All-optical Logic Gates With Soamentioning

confidence: 99%

“…Recently, we proposed a novel architecture of an all-optical memory loop combining the ultrafast all-optical signal processor based on QD-SOA MZI [12] and the DSP block for the mitigation of the dispersion and nonlinearity impairments [6]. The proposed all-optical memory loop is shown in Figure 6.…”

Section: All-optical Memory Loop Based On Soa Mzimentioning

confidence: 99%

Ultra-Fast All-Optical Memory based on Quantum Dot Semiconductor Optical Amplifiers (QD-SOA)

Ezra¹,

Lembrikov²

2017

Optical Fiber and Wireless Communications

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“…The principle of logic XOR operation based on a SOA-MZI has been discussed and analyzed elsewhere [9][10][11]. As shown in Figure 2, the data streams A and B (at λ 1 ) are injected into two identical QD-SOA arms.…”

Section: Schematic Of Encryption and Decryptionmentioning

confidence: 99%

High speed all-optical encryption and decryption using quantum dot semiconductor optical amplifiers

Dutta

2013

Journal of Modern Optics

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A scheme to realize high speed all-optical encryption and decryption using key-stream generators and an XOR gate based on quantum dot semiconductor optical amplifiers (QD-SOAs) was studied. The key used for encryption and decryption is a high speed all-optical pseudorandom bit sequence (PRBS) which is generated by a linear feedback shift register (LFSR) composed of QD-SOA-based logic XOR and AND gates. Two other kinds of more secure key-stream generators, i.e. cascaded design and parallel design, were also designed and investigated. Nonlinear dynamics including carrier heating and spectral hole-burning in the QD-SOA are taken into account together with the rate equations in order to realize all-optical logic operations. Results show that this scheme can realize all-optical encryption and decryption by using key-stream generators at high speed (~250 Gb/s).

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“…The performance of all-optical XOR gate based on quantum-dot (QD) SOA-MZI has been studied and saturation power, optical gain and phase response is numerically analyzed [19,20]. In the same manner, all-optical signal processors based on MZI with QD-SOA is examined in [21], whereas in [22] introduces a novel approach to accelerate the gain recovery process with control pulse (CP) using the cross-gain modulation (XGM). The MZI employed with QD-SOA is theoretically analyzed to implement the NOT gate [23].…”

Section: Introductionmentioning

confidence: 99%

4×4 Signal router based on electro-optic effect of Mach–Zehnder interferometer for wavelength division multiplexing applications

Kumar

Singh

Bisht

2015

Optics Communications

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Ultrafast All-Optical Processor Based on Quantum-Dot Semiconductor Optical Amplifiers

Cited by 76 publications

References 44 publications

Ultra-Fast All-Optical Memory based on Quantum Dot Semiconductor Optical Amplifiers (QD-SOA)

Ultra-Fast All-Optical Memory based on Quantum Dot Semiconductor Optical Amplifiers (QD-SOA)

High speed all-optical encryption and decryption using quantum dot semiconductor optical amplifiers

4×4 Signal router based on electro-optic effect of Mach–Zehnder interferometer for wavelength division multiplexing applications

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