Search results for: Kousik Mukherjee

Items from 1 to 19 out of 19 results

article

Higher-order intermodal antibunching for couple-cavity optomechanical system

Kousik Mukherjee, Paresh Chandra Jana

Journal of Optics > 2019 > 48 > 1 > 26-30

Higher-order intermodal antibunching for couple-cavity optomechanical system is investigated by solving Heisenberg’s equations of motion analytically for various field modes using short-time dynamics under strong coupling regime neglecting the effect of dissipation and environmental effects. Temporal variation of this nonclassical effect is also studied for different values of coupling strength and...

article

Nonclassical properties (squeezing, antibunching, entanglement) for couple-cavity optomechanical system

Kousik Mukherjee, Paresh Chandra Jana

Journal of Optics > 2018 > 47 > 2 > 121-131

Hamiltonian of couple-cavity optomechanical system is solved analytically by corresponding Heisenberg equations of motion using short-time dynamics. Under strong coupling condition and neglecting the effect of dissipation, environmental effects various nonclassical features i.e. single mode and intermodal squeezing, antibunching, intermodal entanglement, higher-order antibunching, higher-order entanglement...

article

Frequency encoded optical four-bit adder/subtractor with control input using semiconductor optical amplifiers

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2014 > 125 > 20 > 6183-6188

Optical adder/subtractor for two four-bit frequency encoded binary numbers are proposed and designed based on four wave mixing, add drop multiplexing and frequency conversion in semiconductor optical amplifier. The input bits and the control input are intensity-modulated signal of two specific frequencies suitable for optical communication in the C band of wavelength. The device can distinguish negative...

article

Method of implementation of all optical tri-state logic in frequency encoded format using non-linear material

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2013 > 124 > 17 > 2807-2810

All optical signal processing has capability of handling huge amount of data. This has become possible by the use of multi-valued logic in place of binary logic. In this communication a frequency encoded tri-state logic gates NOT, AND and NAND are proposed for the first time using difference frequency generation in non-linear materials. The operating principle of the logic gate is the difference frequency...

article

Alternative method of implementation of frequency encoded N bit comparator exploiting four wave mixing in semiconductor optical amplifiers

Kousik Mukherjee, Parimal Ghosh

Optik - International Journal for Light and Electron Optics > 2012 > 123 > 24 > 2276-2280

A frequency encoded all optical N bit comparator is proposed. The implementation is ultrafast one and the frequency encoding makes it intensity loss dependent problem free. The use of polarization insensitive four wave mixing makes the design polarization independent and the hardware simple. The frequency conversion by the RSOA makes the design faster compared to other SOA based design. The required...

article

Simulation of two photon absorption in silicon wire waveguide for implementation of all optical logic gates

Kousik Mukherjee, Dharmadas Kumbhakar

Optik - International Journal for Light and Electron Optics > 2012 > 123 > 6 > 489-493

All optical switching action of silicon wire waveguide for the design of the proposed logic gates is simulated. This is one possible building block of the future all optical computer or photonic devices. All optical logic gates NOT, NAND and AND gates using two photon absorption in silicon wire waveguide are presented. Use of ultra short pulse has negligible free carrier absorption effect; hence the...

article

Alternative approach to optical frequency encoded flip flops by utilizing semiconductor optical amplifier non linearity

Kousik Mukherjee

Journal of Optics > 2012 > 41 > 1 > 16-24

A memory unit is a sequential logic which is an essential part of a computational machine. Realization of fast optical memory units is very challenging. In this communication the authors propose a method of implementation of different frequency encoded flip flops JK, D and T exploiting semiconductor optical amplifier based polarization rotation, filtering and frequency conversion. The main advantage...

article

Frequency encoded all optical single bit memory unit using difference frequency generation alone

Kousik Mukherjee, Ajit Kumar Meikap, Dharmadas Kumbhakar

Optical and Quantum Electronics > 2012 > 43 > 6-10 > 101-107

A method of all optical frequency encoded single bit memory unit is proposed and described using difference frequency generation only in non linear materials. The unit can store a single bit in frequency encoded format and thus maintains the same state when input is withdrawn. To change the state of the information of the memory unit the input should be changed. The proposed memory unit employs difference...

article

Erratum to “A novel frequency encoded all optical logic gates exploiting polarization insensitive four wave mixing in semiconductor optical amplifier, filtering property of ADD/DROP multiplexer and non-linearity of reflective semiconductor amplifier” [Optik, doi:10.1016/j.ijleo.2010.05.033]

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 22 > 2063

article

An all optical method of implementing a wavelength encoded simultaneous binary full adder–full subtractor unit exploiting nonlinear polarization rotation in semiconductor optical amplifier

Parimal Ghosh, Dharmadas Kumbhakar, Asim Kumar Mukherjee, Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 19 > 1757-1763

Full adders and full subtractors are the basic circuit elements of any digital data processor in electronics as well as in the all optical domain. Again the wavelength dependent encoding/decoding techniques have established itself as a very promising and efficient tool having some inherent and unique advantages relative to the other well known intensity or polarization or phase dependent optical data...

article

Erratum to “Method of implementation of frequency encoded all optical half adder, half subtractor and full adder based on semiconductor optical amplifiers and add drop multiplexers” [Optik, in press]

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 20 > 1843

article

A method of implementation of frequency encoded all optical encryption decryption using four wave mixing

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 16 > 1407-1411

All optical encryption decryption method using frequency encoding is proposed based on semiconductor optical amplifiers. The plain text and key are encoded in frequency encoding format i.e. the states of information ‘0’ and ‘1’ are represented by two different frequencies in the c-band. The ultra fast speed of operation of the devices used for the implementation of this system makes it very attractive...

article

All optical read only memory with frequency encoded addressing technique

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 16 > 1437-1440

A semiconductor amplifier (SOA) based all optical read only memory (ROM) is proposed and discussed using non linear polarization rotation. The ROM based on 2–4 line decoder is based on frequency encoded addressing technique, which has several advantages over other encoding techniques. The SOA has sufficiently high switching speed with property of efficient ON/OFF contrast ratio, which makes it attractive...

article

Method of implementation of frequency encoded all optical half adder, half subtractor and full adder based on semiconductor optical amplifiers and add drop multiplexers

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 13 > 1188-1194

A novel frequency encoded all optical half adder, half subtractor and full adder are proposed. The implementation is ultrafast one and the frequency encoding makes it intensity loss dependent problem free. The use of polarization insensitive four-wave mixing makes the design polarization independent and the hardware simple. The frequency conversion by the reflective semiconductor optical amplifiers...

article

A method of implementation of frequency encoded all optical logic gates based on non-linear total reflectional switch at the interface

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 14 > 1284-1288

A novel method of implementation of frequency encoded logic gates NOT, OR, AND, NOR, NAND, X-OR, X-NOR is discussed. The frequency sources and physical requirements for the implementation are also discussed. The non-linear material (liquid) suitable for these operations to be performed should be of large non-linear coefficient, high reverse saturation absorption, large thermo-optic coefficient and...

article

A novel frequency encoded all optical logic gates exploiting polarization insesensitive four wave mixing in semiconductor optical amplifier, filtering property of ADD/DROP multiplexer and non-linearity of reflective semiconductor amplifier

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 10 > 891-895

All optical logic gates exploiting polarization independent four wave mixing in semiconductor optical amplifier (SOA), filtering property of ADD/DROP multiplexer (ADM) and non-linearity in reflective semiconductor optical amplifier (RSOA) have been proposed. The logic gates proposed are polarization independent which ensures hardware simplicity and greater speed. The all optical frequency encoded...

article

Implementation of a novel hybrid encoding technique and realization of all optical logic gates exploiting difference frequency generation alone

Kousik Mukherjee

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 4 > 321-323

A novel hybrid encoding technique scheme is proposed. Using this technique and difference frequency generation different all optical logic gates NOT, OR, AND, NAND, NOR, and X-OR are realized.

article

A novel frequency encoded all optical CNOT gate exploiting difference frequency generation and implementation of fast binary adders using frequency encoding and nonlinear dielectric films

Kousik Mukherjee, Parimal Ghosh

Optik - International Journal for Light and Electron Optics > 2010 > 121 > 24 > 2195-2197

Optics has an important role in logic implementation and computation is established in two and half decades by many researchers. Recently frequency encoding technique is established. This technique does not suffer from intensity dependent loss problems like other schemes. Amorphous dielectric thin films with reflecting edges can also be used for logic realization and has very fast response speed....

article

A method of optical implementation of frequency encoded all optical logic gates based on multiphoton processes in non linear material

Kousik Mukherjee, Parimal Ghosh, Dharmadas Kumbhakar, Ajit Kumar Meikap

Optical and Quantum Electronics > 2010 > 42 > 2 > 121-128

A novel frequency encoded all optical logic gates are proposed exploiting multiphoton processes in non linear optical medium. In the frequency encoding of the information the ‘0’ is represented by a frequency ω and ‘1’ is represented by another frequency 2ω. The gates proposed are NOT, OR, AND, NAND and NOR among which NAND and NOR are universal. Using these gates one can generate other important...

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FREQUENCY ENCODING (10)
SEMICONDUCTOR OPTICAL AMPLIFIER (7)
DIFFERENCE FREQUENCY GENERATION (4)
FOUR WAVE MIXING (3)
LOGIC GATES (3)
ANTIBUNCHING (2)
OPTICAL COMPUTATION (2)
ADD DROP MULTIPLEXER (1)
ADD/DROP MULTIPLEXER (1)
ALL OPTICAL (1)
ALL OPTICAL PROCESSORS (1)
ASCII CODE (1)
BEAM SPLITTER (1)
BINARY ADDER (1)
COMPARATOR (1)
CONTROLLED NOT (1)
DECODER (1)
DECRYPTION (1)
DIELECTRIC THIN FILM RESONATOR (1)
ENCRYPTION (1)
FOUR-WAVE MIXING (1)
FREQUENCY ENCODED ADDRESSING (1)
HIGHER-ORDER ENTANGLEMENT (1)
HIGHER-ORDER NONCLASSICALITY (1)
HYBRID ENCODING (1)
LOGIC GATE (1)
MEMORY UNIT (1)
MULTIPHOTON PROCESS (1)
NON-LINEAR MATERIAL (1)
NON-LINEAR TOTAL REFLECTIONAL SWITCH (1)
NONLINEAR POLARIZATION ROTATION (1)
NOT GATE (1)
OPTICAL FLIP FLOP (1)
OPTICAL FULL ADDER AND FULL SUBTRACTOR (1)
OPTOMECHANICS (1)
PARAMETRIC LIGHT GENERATION (1)
PHOTONIC INTEGRATION (1)
POLARIZATION ROTATION (1)
READ ONLY MEMORY (1)
SECOND HARMONIC GENERATION (1)
SEMICONDUCTOR OPTICAL AMPLIFIER (SOA) (1)
SILICON WIRE WAVEGUIDE (1)
SQUEEZING (1)
SYNCHRONIZED PHOTON (1)
TWO PHOTON ABSORPTION (1)
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Search results for: Kousik Mukherjee

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